C18H19N3O4S
236 compounds have this formula on CompoundList.
- Molar mass
- 373.43g/mol
- Monoisotopic mass
- 377.1347Da
- Atoms
- 45
- Elements
- 5
- Rings plus double bonds
- 11
The formula C18H19N3O4S describes a molecule made of 18 carbon atoms, 19 hydrogen atoms, 3 nitrogen atoms, 4 oxygen atoms and 1 sulfur atom. It is written in Hill notation: carbon first, then hydrogen, then the other elements in alphabetical order. The formula tells you which atoms are present, not how they are connected, which is why several different chemicals can share it.
Elemental composition
- C Carbon × 1857.90%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 195.13%1.008 × 19 = 19.152 g/mol
- N Nitrogen × 311.25%14.007 × 3 = 42.021 g/mol
- O Oxygen × 417.14%15.999 × 4 = 63.996 g/mol
- S Sulfur × 18.59%32.06 × 1 = 32.060 g/mol
Compounds with the formula C18H19N3O4S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 201 to 236 of 236 compounds
![3-[2-(N-Methyl-2-phenylethenesulfonamido)acetamido]benzamide chemical structure, C18H19N3O4S, CAS 930542-33-9](/s/LTVBKUSORQBGLM-ZHACJKMWSA-N.svg)
![N-(2-{[(4-Methoxyphenyl)sulfonyl]amino}ethyl)-1H-indole-3-carboxamide chemical structure, C18H19N3O4S, CAS 951960-84-2](/s/HWRFIBGGZNOYGY-UHFFFAOYSA-N.svg)
![N-Methyl-N-{2-methyl-3-[(3-oxo-3,4-dihydroquinoxalin-1(2H)-yl)carbonyl]phenyl}methanesulfonamide chemical structure, C18H19N3O4S, CAS 1269369-70-1](/s/OQYJCNMQDSRTIR-UHFFFAOYSA-N.svg)
![4-Acetyl-N-{[5-(2-oxopyrrolidin-1-yl)pyridin-3-yl]methyl}benzene-1-sulfonamide chemical structure, C18H19N3O4S, CAS 2034585-53-8](/s/GNBSAXWLRNKZKN-UHFFFAOYSA-N.svg)
![N-{[5-(2-Oxopyrrolidin-1-yl)pyridin-3-yl]methyl}-2,3-dihydro-1-benzofuran-5-sulfonamide chemical structure, C18H19N3O4S, CAS 2097860-91-6](/s/GPNHBPWSQKUIFB-UHFFFAOYSA-N.svg)
![N-[(3,4-Dimethylphenyl)carbamothioyl]-4-ethoxy-3-nitrobenzamide chemical structure, C18H19N3O4S, CAS 428494-81-9](/s/MSPGINWDFMCYNC-UHFFFAOYSA-N.svg)
![4-Butoxy-N-[(3-nitrophenyl)carbamothioyl]benzamide chemical structure, C18H19N3O4S, CAS 428493-85-0](/s/HZBXNEGIWJEGLN-UHFFFAOYSA-N.svg)
![4-Butoxy-N-[(4-nitrophenyl)carbamothioyl]benzamide chemical structure, C18H19N3O4S, CAS 428479-85-0](/s/QVEWVUDKGMHYLC-UHFFFAOYSA-N.svg)
![2-(2,5-Dimethylphenoxy)-N-[(2-methyl-3-nitrophenyl)carbamothioyl]acetamide chemical structure, C18H19N3O4S, CAS 6977-66-8](/s/HJRJYJKOGGKZNG-UHFFFAOYSA-N.svg)
![2-(4-Ethylphenoxy)-N-[(2-methyl-3-nitrophenyl)carbamothioyl]acetamide chemical structure, C18H19N3O4S, CAS 6978-26-3](/s/RDFKVZOEQIOUEQ-UHFFFAOYSA-N.svg)
![5-[4-(2-Phenylethenesulfonyl)piperazine-1-carbonyl]-1,2-dihydropyridin-2-one chemical structure, C18H19N3O4S, CAS 925548-07-8](/s/ZWIMIZYOIHEPLD-MDWZMJQESA-N.svg)
![N-[1-Oxo-1-(phenylformohydrazido)propan-2-yl]-2-phenylethene-1-sulfonamide chemical structure, C18H19N3O4S, CAS 1049742-60-0](/s/QDYREQGYNUQXQX-OUKQBFOZSA-N.svg)
![3-[1-(4,5-Dichloro-thiophene-2-sulfonyl)-5-phenyl-1H-indol-3-yl]-propionic acid chemical structure, C18H19N3O4S, CAS 929254-41-1](/s/ULNWXTXHCKLBFK-UHFFFAOYSA-N.svg)
![tert-Butyl 1-(4-methylphenyl)-4,4-dioxopyrido[2,3-e][1,3,4]thiadiazine-3-carboxylate chemical structure, C18H19N3O4S, CAS 950258-71-6](/s/CHGQSVAMSUMMFT-UHFFFAOYSA-N.svg)
![N-(2-{5-[(4-Methoxyphenoxy)methyl]-1,2,4-oxadiazol-3-yl}ethyl)-N-methylthiophene-2-carboxamide chemical structure, C18H19N3O4S, CAS 1114624-94-0](/s/ZGDSAENCLDAQBO-UHFFFAOYSA-N.svg)
![2-Cyano-N-methanesulfonyl-3-[1-(4-methoxyphenyl)-2,5-dimethyl-1H-pyrrol-3-yl]prop-2-enamide chemical structure, C18H19N3O4S, CAS 1356820-04-6](/s/FGRPGVXDWUKGPK-XNTDXEJSSA-N.svg)
- N-{2-[2-(2,5-Dioxopyrrolidin-1-yl)ethoxy]ethyl}-2-phenyl-1,3-thiazole-4-carboxamide2319846-86-9C18H19N3O4S
- 1H-Indole-2-carboxylic acid, 5-[2-[(methylamino)sulfonyl]ethyl]-3-(4-pyridinyl)-, methyl ester874583-32-1C18H19N3O4S
- N-[4-[[4-[(Aminocarbonyl)amino]phenyl]sulfonyl]phenyl]cyclobutanecarboxamide38649-44-4C18H19N3O4S
- 2-Furfuraldehyde, (3-(2-(3,4-dimethoxyphenyl)ethyl)-4-oxo-2-thiazolidinylidene)hydrazone65987-49-7C18H19N3O4S
- 4-[(E)-(2,4-Dioxopentan-3-yl)diazenyl]-N-(4-methylphenyl)benzene-1-sulfonamide62383-26-0C18H19N3O4S
- 4-{(E)-[1-(4-Ethylphenyl)-1,3-dioxobutan-2-yl]diazenyl}benzene-1-sulfonamide58279-34-8C18H19N3O4S
- (6-Benzenesulfinyl-imidazo[1,2-a]pyridin-2-yl)-(2-methoxy-ethyl)-carbamic acid methyl ester64064-83-1C18H19N3O4S
- 2-(3-{(E)-[4-(2-Hydroxyethanesulfonyl)phenyl]diazenyl}-1H-indol-1-yl)ethan-1-ol926314-60-5C18H19N3O4S
- N-((3,3-Dimethyl-2-oxoindolin-5-yl)carbamoyl)-4-methylbenzenesulfonamide1329056-81-6C18H19N3O4S
- Benzenesulfonic acid, 4-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-3-methyl-, compd. with methanamine (1:1)102736-55-0C18H19N3O4S
- 3-(2-(2-(1-Ethyl-3-methyl-5-oxo-2-thioxoimidazolidin-4-ylidene)ethylidene)benzo[d]oxazol-3(2H)-yl)propanoic acid219556-03-3C18H19N3O4S
- 3-(4-Methoxyphenyl)-5-methyl-N-phenyl-3,4-dihydro-2H-1,2,6-thiadiazine-4-carboxamide 1,1-dioxide3028192-52-8C18H19N3O4S
Frequently asked questions
What is the molar mass of C18H19N3O4S?
The molar mass of C18H19N3O4S is 373.43 g/mol, calculated from standard atomic weights for 18 carbon atoms, 19 hydrogen atoms, 3 nitrogen atoms, 4 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 377.1347 Da.
How many compounds have the formula C18H19N3O4S?
CompoundList lists 236 compounds with the molecular formula C18H19N3O4S, including 3,5-Dimethoxy-N'-(4-methoxy-7-methyl-1,3-benzothiazol-2-yl)benzohydrazide, 3-[2-(N-Methyl-2-phenylethenesulfonamido)acetamido]benzamide, N-(2-{[(4-Methoxyphenyl)sulfonyl]amino}ethyl)-1H-indole-3-carboxamide. Compounds that share a formula are isomers. They contain the same atoms arranged differently, so their properties, uses and prices can be very different.
What is the degree of unsaturation of C18H19N3O4S?
C18H19N3O4S has a degree of unsaturation of 11. That is the total number of rings and pi bonds (a double bond counts as one, a triple bond as two) in any structure with this formula.