Ethyl phenyl ether (or phenetole) is an organic compound that belongs to a class of compounds called ethers. So this is a carbon. Molecular FormulaC8H9Cl. Jan 23, 2023 · Ribose (5 carbon sugar) Cholesterol (polycyclic) Although polycyclic compounds are important, they are highly complex and typically have common names accepted by IUPAC. Information on this page: Gas phase thermochemistry data The IUPAC, which we know is kind of the group that named most things. 5 wt% min. Computed by Lexichem TK 2. Ethyl methyl vinyl amine has the structure. Ethylbenzene is used as a solvent for rubber adhesives, varnishes, resins, paints and coatings. Jun 11, 2016 · The name ‘phenol’ implies the presence of the characteristic group $\ce{-OH}$. It is a colorless, sweet-smelling liquid that is insoluble in water, but miscible with organic solvents. The xylenes from coal-tar consists of 45-70% m-xylene, 23% p-xylene, 10-15% o-xylene and 6-10% ethylbenzene. Feb 7, 2015 · (g) lowest locants for the substituent cited first as a prefix in the name; (…) Note that Rule f takes precedence over Rule g. ChemSpider ID 76094. Isotopologues: Ethylbenzene-d10 Propiophenone ( shorthand: benzoylethane or BzEt) is an aryl ketone. Average mass 135. It evaporates easily and has a sweet smell, although common impurities confer a less pleasant odor. Name each compound using both the common name and the IUPAC name. Benzene is a colorless liquid with a sweet odor. It is called propionate (common) or propanoate (IUPAC). One of the benzene molecules should be the parent chain as it has a greater number of carbon atoms than the straight chain (which has just two carbon atoms). It acts as an intermediate in the preparation of styrene. The chemical reactivity of carboxylic acids is dominated by the very positive carbon, and the resonance stabilization that is possible should the group lose a proton. The smaller ring, cyclobutane, is named as a substituent on the parent chain. CHEBI:156074. Ethyl phenyl ether. Identify and name the substituents. B. ChemSpider ID 7391. 1: Amines - Structures and Names is shared under a CC BY-NC-SA 4. We will go through several examples for more details about the naming rules. Levels of cumene, n-propylbenzene, ethyltoluenes and xylenes in ethyl-benzene are controlled to meet the required styrene purity specification. Average mass 122. A partial list of these common name is shown in Figure \(\PageIndex{2}\) and there are numerous others. 3-Ethyltoluene is a natural product found in Camellia sinensis, Gossypium hirsutum, and Carica papaya with data available. 5. The Automated Topology Builder (ATB) and Repository is intended to facilitate the development of molecular force fields for Molecular Dynamics or Monte Carlo simulations of biomolecular systems. CHEBI:16101. "chlorobenzene" is a correct IUPAC name, and it views the molecule as a substituted benzene. 1 15. Correction - 2-propylheptane should never be the name! Common and systematic naming: iso-, sec-, and tert- prefixes. 3 ), tend to be named as alkylamines. (CH 3) 3 CO–. ethylbenzene. Give the common and IUPAC names for each compound. Figure 9. The structure of DDT is. 1: ethoxyethane. Use this link Groups of Fischer 344 rats (minimum 4/sex/group) were studied after being exposed to radiolabeled cumene (>98% purity) either by single intravenous dose (35 mg/kg); single oral gavage doses (33 or 1,350 mg/kg); single 6-hr nose-only inhalation (100, 500, or 1,500 ppm); or eight daily oral gavage doses (33 mg/kg), with the eighth dose being radiolabeled. Common names are often used in the nomenclature of aromatic compounds. 218 Da. Sometimes an aromatic group is found as a substituent bonded to a nonaromatic entity or to another aromatic ring. 1 1. Xylene. For example, H 2 C=O is methanal, more commonly called formaldehyde. Naming two isobutyl groups systematically. It is also used as a fuel additive. Taking benzene as the parent chain, I think that the name of the compound should be 1-Chloro-4- ( (1'- (4"-chlorophenyl))-2',2',2'-tricholoroethyl) benzene. 1 2. The list of the other names (synonyms) of ETHYLBENZENE including the registry numbers is given below, if available: What is the correct IUPAC name of Cumene? A. However, the common names do not generally follow the basic IUPAC nomenclature rules. A benzoate ester obtained by condensation of benzoic acid and ethanol. IUPAC names can be generated for drawn structures in the sketcher. Modify: 2024-07-06. In both common and International Union of Pure and Applied Chemistry (IUPAC) nomenclature, the –ic ending of the parent acid is replaced by the suffix –ate (Table 25. Monoisotopic mass 140. It is published in the Nomenclature of Organic Chemistry (informally called the Blue Book ). The IUPAC name of the following compound is 4-(ethoxycarbonyl) benzoic acid. 2: Overview of the IUPAC Naming Strategy is shared under a CC BY-NC-SA 4. IUPAC Standard InChIKey: YNQLUTRBYVCPMQ-UHFFFAOYSA-N Copy; CAS Registry Number: 100-41-4; Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file The 3d structure may be viewed using Java or Javascript. ethyl, fluoro, and nitro) are considered together; i. The group of atoms remaining when a hydrogen atom is removed from an aromatic compound is called an aryl group. ethyl benzoate. Because it contains more carbons, the cyclopentane ring will be named as the parent chain. Images of the chemical structure of ETHYLBENZENE are given below: The 2D chemical structure image of ETHYLBENZENE is also called skeletal formula, which is the Jun 4, 2017 · These names [toluene, xylene, and mesitylene] are retained due to a long and well established tradition. IUPAC still allows for some of the more widely used common name to be used. A compound named 5-(-1-Cyanoethyl)-2-methyl hexanoic acid has Mar 25, 2018 · In this case, the omission of the locant '1' from the name "4-methyl-1-chlorobenzene" is likely to be unambiguous. Ethylbenzene-d10; Other names: Benzene, ethyl-; Ethylbenzol; EB; Phenylethane; Aethylbenzol; Ethylbenzeen; Etilbenzene; Etylobenzen; NCI-C56393; UN 1175; α-Methyltoluene; NSC 406903 Permanent link for this species. ChemSpider ID 21168831. The general composition of xylenes from petroleum is 44% m-xylene, 20% o-xylene, 20% p-xylene and 15% ethylbenzene. 1 9. Create: 2005-03-26. 1-Chloro-3-ethylbenzene | C8H9Cl | CID 136426 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological Jun 30, 2024 · Table 2. An alkylbenzene carrying an ethyl substituent. Number the ring to give the substituents the smallest possible number. Secondary ChEBI IDs. It is used in the preparation of other compounds. 106 Da. But benzene, it's so ingrained in the organic chemistry community, that all of the benzene or benzene derivative molecules, they just kind of said, well you know what, we Primary amines are named in two main ways using the IUPAC system. The three xylene isomers: o -xylene, m -xylene, and p -xylene. There are two different cycloalkanes in this molecule. 1-phenylethanone . The nomenclature of ester is done as alkyl alkane carboxylate, where alkyl is the part that is attached to the oxygen atom whereas alkane is the part attached to carbon atom of the ester group. These common names take the place of the benzene base name. They can either be named as alkylamines or as alkanamines. Put the substituents alphabetically followed by the parent name. Other names: 2-Ethylstyrene; 1-Ethyl-2-vinylbenzene Permanent link for this species. Benzyl ethyl ether is a natural product found in Artemisia judaica and Curcuma amada with data available. 104462 Da. Likewise, given a IUPAC name, one should be able to write a structural IUPAC Standard InChIKey: YTZKOQUCBOVLHL-UHFFFAOYSA-N Copy; CAS Registry Number: 98-06-6; Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file The 3d structure may be viewed using Java or Javascript. 7. 073166 Da. Computed by PubChem 2. tert-Butoxy. Definition. 8. Isobutylbenzene is a chemical compound with the molecular formula C 10 H 14. Most 1 o amines which are attached to linear alkanes, cycloalkanes, and alkyl groups with common names ( Section 3. 2 (PubChem release 2021. A solution of benzyl alcohol with a concentration of 10% can be used as a local anaesthetic and also as an antimicrobial agent. ethylbenzylamine. Phenyl. A two carbon carboxylic acid. Furthermore, P-14. Reference substance name: Xylene EC Number: 215-535-7 EC Name: Xylene CAS Number: 1330-20-7 Molecular formula: C8H10 IUPAC 2005-03-26. What is the reaction mechanism of benzene diazonium salt with ethyl alcohol? Q. Naming a cycloalkane. 4-Ethylnitrobenzene | C8H9NO2 | CID 7480 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities Feb 13, 2019 · This nomenclature will be discussed when it is possible for a functional group. While naming the substituted benzene compounds, we prefix the name of the IUPAC Standard InChIKey: DLRJIFUOBPOJNS-UHFFFAOYSA-N Copy; CAS Registry Number: 103-73-1; Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file The 3d structure may be viewed using Java or Javascript. Stars. Q. The small letters o-, m-, and p- (standing for ortho-, meta-, and para-) preceding… Reactions that occur at the benzylic position are very important for synthesis problems. Benzyl ethyl ether is a benzyl ether. This aromatic hydrocarbon is important in the petrochemical industry as an intermediate in the production of styrene, which in turn is used for making polystyrene, a commonly used plastic material. Everything else we've seen so far, they came up with a separate naming mechanism from the common names. Information on this page: Condensed phase thermochemistry data 2005-03-26. Comment on this record. Molecular Formula CHN. 164 Da. Modify: 2024-07-13. Likewise, the removal of a hydrogen from ethane, CH 3 CH 3, creates an ethyl group -CH 2 CH 3. Sep 12, 2022 · Example 3. The alkyl group attached directly to the oxygen atom is a butyl group (in green). The esters shown here are ethyl acetate (a) and methyl butyrate (b). Ethoxyethene. Under normal conditions, this aromatic hydrocarbon is an oily liquid. Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Other articles where ethylbenzene is discussed: chemical industry: Xylene: …with them is another isomer, ethylbenzene, which has one ethyl group (―C2H5) replacing one of the hydrogen atoms of benzene. 5 Lowest set of locants 4-Ethoxyethylbenzene. 4-Ethyltoluene is a natural product found in Gossypium hirsutum and Carica papaya with data available. Apr 14, 2015 · Fourth, for shorthand and convenience, "phenyl" and "benzyl" are sometimes used to name substituents. D. It evaporates into the air very quickly and dissolves slightly in water. It is a volatile oil component found in ripe kiwifruit, cranberry juice, and palm kernel oil. LOTUS - the natural products occurrence database. Draw out the structure from the name and give the proper IUPAC name for the compounds. Esters occur widely in nature. Jan 15, 2023 · Naming Aldehydes. Organic chemistry naming examples 3. The group name of the alkyl or aryl portion is given first and is followed by the name of the acid portion. Click here:point_up_2:to get an answer to your question :writing_hand:write the iupac name of the following compound3 Exercise 13. a) The structure that can be drawn for the improper name is shown below on the left. If it is not one of the common names, then use benzene. Although a cycloalkane has two fewer hydrogens than the equivalent alkane Because ethylbenzene is used almost exclusively to produce styrene, the product specification on ethylbenzene is set to provide a satisfactory feedstock for styrene production. So let's look at a few. History. Benzyl alcohol can serve as a dielectric solvent for the Isobutylbenzene. 2. Both a traditional IUPAC name and an attempted Preferred IUPAC Name (PIN) are generated. Phenoxy. Styrene, also known as vinyl benzene as well as many other names (see table), is an organic compound with the chemical formula C 6 H 5 CH=CH 2. Please give it a try and let us know if you encounter any issues. It will dissolve in less polar solvents such as ethanol or ether, but not in polar solvents such as In chemical nomenclature, the IUPAC nomenclature of organic chemistry is a method of naming organic chemical compounds as recommended [1] [2] by the International Union of Pure and Applied Chemistry (IUPAC). Monoisotopic mass 150. 206 Da. The -OR group can also be named as a substituent using the group name, alkox. What is the IUPAC name for the following substituted benzene? NO2 O 3-ethyl-1-isopropyl-5-nitrobenzene 3-ethyl-5-isopropyl-1-nitrobenzene O 5-ethyl-3-isopropyl-1-nixobenzene l-ethyl-3-isopropyl-5-nitrobenzene O 5-ethyl-1-isopropyl (2-Bromoethyl)benzene | C8H9Br | CID 7666 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities Jan 23, 2023 · tert-Butyl. View Solution. Organic chemistry naming examples 2. 5b. The IUPAC name of the following compound : ethyl methyl benzene - 1, 3 - dicarboxylate. 5 MPa. They are derived from the substitution of two hydrogen atoms with methyl groups in a benzene ring Jan 2, 2011 · IUPAC Standard InChIKey: MTZQAGJQAFMTAQ-UHFFFAOYSA-N Copy; CAS Registry Number: 93-89-0; Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file The 3d structure may be viewed using Java or Javascript. Constituent 2. It'd be ethane, drop the E, add Benzoic Acid | C6H5COOH or C7H6O2 | CID 243 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities There are some differences in the composition of commercial xylenes produced from petroleum and from coal-tar. Formic acid. Name the cycloalkane structure. Naming alkanes with ethyl groups. 1. 1: The Structure of Esters. C 6 H 5 CH 2 OH is a precursor to several esters. Molecular FormulaC4H8O. Monoisotopic mass 136. Methyl salicylate is an ester, so you name it with two words: the alkyl group of the alcohol + the acid stem with the ending "ate". Aug 11, 2020 · Organic Chemistry/Carboxylic acids. The removal of this hydrogen results in a stem change from -ane to -yl to indicate an alkyl group. 057518 Da. Isobutylbenzene is a colorless flammable liquid that is a respiratory irritant. Amines are classified as primary, secondary, or Sep 15, 2022 · Figure 15. Monoisotopic mass 72. 1. The common name of benzene-1,2-dicarboxylic acid is. IUPAC Standard InChIKey: DLRJIFUOBPOJNS-UHFFFAOYSA-N Copy; CAS Registry Number: 103-73-1; Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file The 3d structure may be viewed using Java or Javascript. All are colorless liquids and all are used for the production of specialty polystyrenes . 2-phenyl propane. Isotopologues: Ethylbenzene-d10 IUPAC Standard InChIKey: JRLPEMVDPFPYPJ-UHFFFAOYSA-N Copy; CAS Registry Number: 622-96-8; Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file The 3d structure may be viewed using Java or Javascript. Its common name is diethyl ether, and its IUPAC name is ethoxyethane. 2- (Chloroethyl)benzene. These two factors contribute both to acidity and to the group's Aug 11, 2015 · 11. 4-Ethyltoluene is an organic compound with the formula CH 3 C 6 H 4 C 2 H 5. Q2. 3. All of the following names represent a compound that has been named improperly. Benzene is a hydrocarbon with the chemical formula C 6 H 6. Impurity 1. Also note that all prefixes (i. e. There’s just one step to solve this. A typical sales specification is as follows: purity, 99. What is the common name for C6H4ClCOCH3 ? (Cl is attached at Ortho position on benzene ring) Q. 1 4. Reference substance name: Benzene EC Number: 200-753-7 EC Name: Benzene CAS Number: 71-43-2 Molecular formula: C6H6 IUPAC Name Jan 19, 2021 · N-ethyl-2-propanamine. Average mass 136. Let's look at this one. (1-methyl ethyl) benzene. ChEBI. IUPAC Standard InChIKey: ZLCSFXXPPANWQY-UHFFFAOYSA-N Copy; CAS Registry Number: 620-14-4; Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file The 3d structure may be viewed using Java or Javascript. And so here is my alkyl benzene, so a benzene ring, and I have an alkyl group attached to that. The common name of this molecule is ethyl methyl ether, and its IUPAC Ethylbenzene-d10; Other names: Benzene, ethyl-; Ethylbenzol; EB; Phenylethane; Aethylbenzol; Ethylbenzeen; Etilbenzene; Etylobenzen; NCI-C56393; UN 1175; α-Methyltoluene; NSC 406903 Permanent link for this species. 1,3-dimethylbutane; 4-ethylpentane; 2-ethyl-3-methylpentane; Answer. , there isn’t any order of functional group priorities at this point. Since an aldehyde carbonyl group must always lie at the end of a carbon chain, it is always is given the #1 location position in numbering and it is not necessary to include it in the name. 14) Dates. The name is displayed in large font above the sketcher as you doodle. ; benzene In general, to name an aromatic compound, you can follow these steps: Identify and name the parent. This molecule is often referred to simply as “ether”. Mar 6, 2009 · Common Name: Ethylbenzene: Class: Small Molecule: Description: Ethylbenzene is an organic compound with the formula C6H5CH2CH3. ChemSpider ID 21105860. 12. To add the suffix, the last letter “e” will be dropped, so the parent name is “hexeneoicacid”. Esters feature a carbon-to-oxygen double bond that is also singly bonded to a second oxygen atom, which is then joined to an alkyl or an aryl group. Figure 1. There are lots of really cool carboxylic acids with interesting common names, such as this example, here. By replacing one or more of the hydrogen atoms with some functional group, we get several benzene compounds. Using IUPAC nomenclature, that would be ethanoic acid. Ethyl-benzene C&L Inventory ethylbenze The IUPAC nomenclature system is a set of logical rules devised and used by organic chemists to circumvent problems caused by arbitrary nomenclature. The part of the molecule derived from the carboxylic acid (in red) has three carbon atoms. 14) oxidation of ethylbenzene with air or oxygen at 130 °C and 0. It is one of three isomers of ethyltoluene, the other two isomers being 3-ethyltoluene and 2-ethyltoluene. The nomenclature pattern can continue to provide a series of straight-chain IUPAC Name: ethylbenzene. 3 “Nomenclature of Esters” ). ChemSpider ID 66721. The name comes from the Latin word for ant because formic acid is found in ant venom. Question: What is the name of the following compound? 3. Alkane with isopropyl group. ChemSpider ID 7732. Neobutyl benzene. Q5. 039276 Da. However, note that the name "4-methyl-1-chlorobenzene" is not in accord with IUPAC nomenclature to begin with. Description. 4 Subordinate Groups. Knowing these rules and given a structural formula, one should be able to write a unique name for every distinct compound. 3D. Average mass 140. An ether, in which the carbons of two alkyl groups are linked to the same oxygen, can be abbreviated as R-O-R. The alkyl groups is named as a substituent ( prefix + yl) then the IUPAC Standard InChIKey: YNQLUTRBYVCPMQ-UHFFFAOYSA-N Copy; CAS Registry Number: 100-41-4; Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file The 3d structure may be viewed using Java or Javascript. The IUPAC name is "methyl 2-hydroxybenzoate". The name of this molecule is cyclobutylcyclopentane. The ETHYLBENZENE compound may have different names depending on the various different situations of industrial applications. These isomers can be separated only with difficulty, but numerous separation methods have been worked out. Regulatory process names 12 Translated names 22 IUPAC names 16 Trade names 11 Other identifiers 2 . Molecular Formula CHO. The International Union of Pure and Applied Chemistry (IUPAC) names for organic compounds all follow the same set of rules The group name of the alkyl or aryl portion is given first and is followed by the name of the acid portion. Identify the positions and names of the substituent groups on the benzene ring. viny-1-ethylbenzene 3-ethystyrene 1-ethy-3-styrene 1-viny-3-ethylbenzene What is the name of the following compound? 3,4-dimethyl-5-benzylheptane 3,4-dimethyl-5-phenylheptane 3-benzyl-4,5-dimethylheptane 3-phenyl-4,5-dimethylheptane. 610 Da. It has 6 carbon atoms joined in a ring and has 1 hydrogen atom attached to each of the carbon atoms. An amine is a derivative of ammonia in which one, two, or all three hydrogen atoms are replaced by hydrocarbon groups. Monoisotopic mass 135. In order to correctly name TNT under the IUPAC system, the simple benzene naming system should be used: Figure 18. It is a constituent of coal tar and petroleum. The ETHYLBENZENE molecule contains a total of 18 bond (s). Solution. 2-pentanamine. Toluene and xylene are preferred IUPAC names, but are not freely substitutable; toluene is substitutable under certain conditions, but only for general nomenclature. Jun 8, 2010 · IUPAC Standard InChIKey: VTPNYMSKBPZSTF-UHFFFAOYSA-N Copy; CAS Registry Number: 7564-63-8; Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file The 3d structure may be viewed using Java or Javascript. This compound is a component of the fluid mixtures used in electronic cigarettes (it enhances the flavour). Average mass 72. C 6 H 5 O–. (emphasis mine) benzyl ethyl ether. The IUPAC system of nomenclature assigns a characteristic suffix -al to aldehydes. 0 license and was authored, remixed, and/or curated by LibreTexts. [2] It is used in the industrial manufacture of ibuprofen . Here’s the best way to solve it. In both common and International Union of Pure and Applied Chemistry (IUPAC) nomenclature, the – ic ending of the parent acid is replaced by the suffix – ate ( Table 15. 10. 0 (PubChem release 2021. Note that the general formula for a cycloalkane composed of n n carbons is CnH2n C n H 2 n, and not CnH2n+2 C n H 2 n 2 + as for alkanes. 2 3. The parent structure is the 6-carbon carboxylic acid with a double bond, so the last name comes from “hexene”. Aug 20, 2021 · For this reason, the common chemical name 2,4,6-trinitrotoluene, or TNT, as shown in figure 17, would not be advisable under the IUPAC (systematic) nomenclature. Question. Since there are no other characteristic groups and low locants are assigned first to the principal characteristic group, the locant ‘1’ is assigned to the substituent group $\ce{-OH}$. We'll start with the free radical bromination of alkyl benzenes. The alkyl name is "methyl", and the base name of the acid is "benzoic acid". There are 8 non-H bond (s), 6 multiple bond (s), 1 rotatable bond (s), 6 aromatic bond (s), and 1 six-membered ring (s). Instructions. Ethyl phenyl ether has the same properties as some other ethers, such as volatility, explosive vapors, and the ability to form peroxides. Information on this page: Gas phase thermochemistry data; Phase IUPAC Name: ethylbenzene. ChEBI ID. The general formula of the cycloalkanes is CnH2n C n H 2 n where n n is the number of None of these names is correct, but the first one is close. Ethers can be named by naming each of the two carbon groups as a separate word followed by a space and the word ether. May 22, 2021 · Example 2. It is highly flammable and is formed from both natural processes and human activities. Average mass 150. This entity has been manually annotated by the ChEBI Team. 1 IUPAC Name. Q4. In organic chemistry, xylene or xylol (from Greek ξύλον (xylon) 'wood'; [1] [2] IUPAC name: dimethylbenzene) are any of three organic compounds with the formula (CH3)2C6H4. Systematic (IUPAC) name of 2,4,6-trinitrotoluene (common name), or Styrene. . 104797 Da. Therefore, the systematic name for this compound is 3,4-dimethylphenol. A carboxylic acid is characterized by the presence of the carboxyl group -COOH. 3. C. Ethyl Acetate | CH3COOC2H5 or C4H8O2 | CID 8857 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological IUPAC Standard InChIKey: YNQLUTRBYVCPMQ-UHFFFAOYSA-N Copy; CAS Registry Number: 100-41-4; Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file The 3d structure may be viewed using Java or Javascript. 2 13. Therefore, the abbreviated name "4-methylchlorobenzene" is probably not acceptable, either. ). It is added to gasoline as an anti-knock agent, thereby reducing engine knocking and increase the octane rating. 088821 Da. 191 Da. The removal of a hydrogen from methane, CH 4, creates a methyl group -CH 3. Advanced. Note that IUPAC has detailed priority rules for what is a substituent and what is the base molecule, but chemists don't always follow these. C 6 H 5 –. Use this link for bookmarking this species for future reference. Isotopologues: Ethylbenzene-d10 Jun 18, 2024 · The IUPAC names, molecular formulas, and skeleton structures of the cycloalkanes with 3 to 10 carbons are given in Table 4. Monoisotopic mass 122. 3-ethyltoluene is a derivative of toluene bearing an additional ethyl substituent at position 3. uw if xk cm ox ir gm jb hu qz