Molecular formula
C18H19NO4S
172 compounds have this formula on CompoundList.
- Molar mass
- 345.41g/mol
- Monoisotopic mass
- 345.1035Da
- Atoms
- 43
- Elements
- 5
- Rings plus double bonds
- 10
The formula C18H19NO4S describes a molecule made of 18 carbon atoms, 19 hydrogen atoms, 1 nitrogen atom, 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 × 1862.59%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 195.54%1.008 × 19 = 19.152 g/mol
- N Nitrogen × 14.06%14.007 × 1 = 14.007 g/mol
- O Oxygen × 418.53%15.999 × 4 = 63.996 g/mol
- S Sulfur × 19.28%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C18H19NO4S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 172 compounds
1-(Benzenesulfonyl)-4-phenylpiperidine-4-carboxylic acid
CAS 101730-55-6C18H19NO4S
N-((Phenylmethoxy)carbonyl)-S-(phenylmethyl)-L-cysteine
CAS 3257-18-9C18H19NO4S
Bas 09588626
CAS 89813-62-7C18H19NO4S
![5-[4-(tert-Butyl)phenyl]-1H-pyrrolo[1,2-c][1,3]thiazole-6,7-dicarboxylic acid chemical structure, C18H19NO4S, CAS 860609-31-0](/s/CRYSLRRSVRPYHV-UHFFFAOYSA-N.svg)
5-[4-(tert-Butyl)phenyl]-1H-pyrrolo[1,2-c][1,3]thiazole-6,7-dicarboxylic acid
CAS 860609-31-0C18H19NO4S
![2-[2-(4-Methylbenzenesulfonyl)-1,2,3,4-tetrahydroisoquinolin-1-yl]acetic acid chemical structure, C18H19NO4S, CAS 326619-33-4](/s/LZTVABFKIFINKQ-UHFFFAOYSA-N.svg)
2-[2-(4-Methylbenzenesulfonyl)-1,2,3,4-tetrahydroisoquinolin-1-yl]acetic acid
CAS 326619-33-4C18H19NO4S
N-(2,5-Dimethoxyphenyl)-4-(thietan-3-yloxy)benzamide
CAS 424806-81-5C18H19NO4S
(2E)-N-Benzyl-N-(1,1-dioxidotetrahydrothiophen-3-yl)-3-(furan-2-yl)prop-2-enamide
CAS 577961-47-8C18H19NO4S
![2-tert-Butyl-5-(3,4-dimethoxyphenyl)thieno[2,3-d][1,3]oxazin-4-one chemical structure, C18H19NO4S, CAS 342382-99-4](/s/LIUIVYXPPKWEBU-UHFFFAOYSA-N.svg)
2-tert-Butyl-5-(3,4-dimethoxyphenyl)thieno[2,3-d][1,3]oxazin-4-one
CAS 342382-99-4C18H19NO4S
(5-Acetyl-2-ethoxyphenyl)methyl 2-(methylsulfanyl)pyridine-3-carboxylate
CAS 785810-90-4C18H19NO4S
N-(1,3-Benzodioxol-5-ylmethyl)-2-(2-methoxyethylsulfanyl)benzamide
CAS 710990-64-0C18H19NO4S
Ethyl 2-(oxolan-2-ylcarbonylamino)-4-phenylthiophene-3-carboxylate
CAS 379243-17-1C18H19NO4S
N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2-(2-methoxyethylsulfanyl)benzamide
CAS 710972-48-8C18H19NO4S
3-(Dimethylamino)-1-(4-methoxyphenyl)-2-(phenylsulfonyl)-2-propen-1-one
CAS 344266-67-7C18H19NO4S
![[2-(4-Methoxyanilino)-2-oxoethyl] 3-phenylsulfanylpropanoate chemical structure, C18H19NO4S, CAS 380195-60-8](/s/OZGDLFHVPZNTQU-UHFFFAOYSA-N.svg)
[2-(4-Methoxyanilino)-2-oxoethyl] 3-phenylsulfanylpropanoate
CAS 380195-60-8C18H19NO4S
4-Methoxy-2-naphthylamine p-toluenesulfonate salt
CAS 53863-75-5C18H19NO4S
![3-[3-(2,4,6-Trimethyl-benzenesulfonylamino)-phenyl]-acrylic acid chemical structure, C18H19NO4S, CAS 1164499-38-0](/s/MKFZMVNUDTUTER-BQYQJAHWSA-N.svg)
3-[3-(2,4,6-Trimethyl-benzenesulfonylamino)-phenyl]-acrylic acid
CAS 1164499-38-0C18H19NO4S
![[2-(3-Methoxyanilino)-2-oxoethyl] 3-phenylsulfanylpropanoate chemical structure, C18H19NO4S, CAS 749210-63-7](/s/NXWIEDPVRWJSGH-UHFFFAOYSA-N.svg)
[2-(3-Methoxyanilino)-2-oxoethyl] 3-phenylsulfanylpropanoate
CAS 749210-63-7C18H19NO4S
![3-[2-Oxo-2-(piperidin-1-yl)ethoxy]-5-phenylthiophene-2-carboxylic acid chemical structure, C18H19NO4S, CAS 1181458-89-8](/s/OGGVOECRHLFWNP-UHFFFAOYSA-N.svg)
3-[2-Oxo-2-(piperidin-1-yl)ethoxy]-5-phenylthiophene-2-carboxylic acid
CAS 1181458-89-8C18H19NO4S
![4-Hydroxy-3-[7-(2-methoxyphenyl)-2,3,6,7-tetrahydro-1,4-thiazepin-5-yl]-6-methyl-2H-pyran-2-one chemical structure, C18H19NO4S, CAS 257292-31-2](/s/WHTGRGOFDHUMEF-UHFFFAOYSA-N.svg)
4-Hydroxy-3-[7-(2-methoxyphenyl)-2,3,6,7-tetrahydro-1,4-thiazepin-5-yl]-6-methyl-2H-pyran-2-one
CAS 257292-31-2C18H19NO4S
RefChem:927972
CAS 89110-18-9C18H19NO4S
4-Benzoylphenyl piperidine-1-sulfonate
CAS 825607-55-4C18H19NO4S
N-(3-Acetylphenyl)-3-(benzylsulfonyl)propanamide
CAS 923448-08-2C18H19NO4S
N-(4-Acetylphenyl)-3-(4-methylbenzenesulfonyl)propanamide
CAS 895450-66-5C18H19NO4S
![N-(2-(Benzo[d][1,3]dioxol-5-yloxy)ethyl)-3-(phenylthio)propanamide chemical structure, C18H19NO4S, CAS 1170602-36-4](/s/OAFQAVUXPNTHLQ-UHFFFAOYSA-N.svg)
N-(2-(Benzo[d][1,3]dioxol-5-yloxy)ethyl)-3-(phenylthio)propanamide
CAS 1170602-36-4C18H19NO4S
- 2H-Pyran-2-one, 4-hydroxy-6-methyl-3-[2,3,6,7-tetrahydro-7-(4-methoxyphenyl)-1,4-thiazepin-5-yl]-257292-37-8C18H19NO4S
- 5H-2-Benzazepin-5-one, 1,2,3,4-tetrahydro-8-methoxy-2-(p-tolylsulfonyl)-24310-35-8C18H19NO4S
- Methyl 2-[(phenoxyacetyl)amino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate324073-88-3C18H19NO4S
- Ethyl 2-{[(2E)-3-(furan-2-yl)prop-2-enoyl]amino}-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate300828-41-5C18H19NO4S
- Methyl 2-[(3-methoxybenzoyl)amino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate329222-14-2C18H19NO4S
- 7-Methoxy-3-(toluene-4-sulfonyl)-2,3,4,5-tetrahydro-benzo[d]azepin-1-one81593-57-9C18H19NO4S
- Ethyl 2-[(phenoxyacetyl)amino]-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate300828-70-0C18H19NO4S
- Ethyl 2-(4-methoxybenzamido)-4H,5H,6H-cyclopenta[B]thiophene-3-carboxylate300826-06-6C18H19NO4S
- Ethyl 2-[(3-methoxybenzoyl)amino]-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate306737-26-8C18H19NO4S
- Ethyl 2-[(2-methoxy-4-methylsulfanylbenzoyl)amino]benzoate335398-56-6C18H19NO4S
- Ethyl 2-[(2-methoxybenzoyl)amino]-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate403846-29-7C18H19NO4S
- Methyl 2-(4-hydroxybenzamido)-6-methyl-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate691377-97-6C18H19NO4S
- 2-(2,5-Dimethylbenzenesulfonyl)-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid1008267-37-5C18H19NO4S
- Ethyl 5-Cbz-4,5,6,7-Tetrahydrothieno-[3,2-c]pyridine-2-carboxylate1190971-27-7C18H19NO4S
- 4(1H)-Quinolone, 2,3-dihydro-6-methoxy-2-methyl-1-(p-tolylsulfonyl)-24310-39-2C18H19NO4S
- Benzoxazolium, 2-methyl-5-phenyl-3-(3-sulfobutyl)-, inner salt51981-34-1C18H19NO4S
- Methyl 2-[(4-ethoxybenzoyl)amino]-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate551909-56-9C18H19NO4S
- 2-(2-Ethoxy-4-formylphenoxy)-N-[3-(methylsulfanyl)phenyl]acetamide591723-60-3C18H19NO4S
- 1 suppliersn-Carbobenzoxy-s-phenyl-l-cysteine methyl ester153277-33-9C18H19NO4S
- 4-{3-[(2,4-Dimethylphenyl)sulfonyl]-2-hydroxypropoxy}benzenecarbonitrile478079-83-3C18H19NO4S
- ({2-[(4-Methylphenyl)sulfanyl]ethyl}carbamoyl)methyl 4-hydroxybenzoate879320-34-0C18H19NO4S
- 3-[4-(Piperidin-1-ylsulfonyl)phenyl]benzoic acid1261889-61-5C18H19NO4S
- Benzoxazolium, 2-methyl-5-phenyl-3-(4-sulfobutyl)-, inner salt55526-94-8C18H19NO4S
- N-(1,3-Benzodioxol-5-ylmethyl)-4-thiophen-2-yloxane-4-carboxamide877650-56-1C18H19NO4S
- N-(3-Acetylphenyl)-3-(4-methylbenzenesulfonyl)propanamide442530-92-9C18H19NO4S
- 2-[4-(Piperidin-1-ylsulfonyl)phenyl]benzoic acid1261977-71-2C18H19NO4S
- N-(3-(Benzo[d][1,3]dioxol-5-yl)-3-hydroxypropyl)-2-(methylthio)benzamide1421480-69-4C18H19NO4S
- 2-(4-Methylbenzenesulfonyl)-2,3,4,5-tetrahydro-1H-2-benzazepine-4-carboxylic acid2193064-97-8C18H19NO4S
- 1-(3,4-Dihydro-2H-1,5-benzodioxepine-7-sulfonyl)-1,2,3,4-tetrahydroquinoline852389-19-6C18H19NO4S
- N-(1,1-Dioxothiolan-3-yl)-N-(4-methoxyphenyl)benzamide303093-96-1C18H19NO4S
- 3,4-Dihydro-7-methoxy-2H-1-naphthalenone-O-tosyloxime99833-87-1C18H19NO4S
- N-((4-(Thiophen-2-yl)tetrahydro-2H-pyran-4-yl)methyl)benzo[d][1,3]dioxole-5-carboxamide1203243-72-4C18H19NO4S
- 2-{[3-(Methylsulfanyl)phenyl]amino}-2-oxoethyl (2-methoxyphenyl)acetate1794853-06-7C18H19NO4S
- N-(4-Acetylphenyl)-2-(4-(ethylsulfonyl)phenyl)acetamide919759-09-4C18H19NO4S
- 4-[4-(Piperidin-1-ylsulfonyl)phenyl]benzoic acid1261942-17-9C18H19NO4S
- 2-Formyl-5-[4-(piperidin-1-ylsulfonyl)phenyl]phenol1261953-91-6C18H19NO4S
- 2-Formyl-6-[4-(piperidin-1-ylsulfonyl)phenyl]phenol1261907-69-0C18H19NO4S
- 6-Methyl-2-[3-(pyrrolidinylsulfonyl)phenyl]benzoic acid1261899-46-0C18H19NO4S
- 3-Methyl-4-[3-(pyrrolidinylsulfonyl)phenyl]benzoic acid1261969-59-8C18H19NO4S
- 2-Methyl-3-[3-(pyrrolidinylsulfonyl)phenyl]benzoic acid1261916-00-0C18H19NO4S
- 5-Methyl-2-[3-(pyrrolidinylsulfonyl)phenyl]benzoic acid1261996-65-9C18H19NO4S
- 6-Methyl-2-[4-(pyrrolidinylsulfonyl)phenyl]benzoic acid1262007-21-5C18H19NO4S
- 3-Methyl-4-[4-(pyrrolidinylsulfonyl)phenyl]benzoic acid1261941-09-6C18H19NO4S
- 2-Methyl-3-[4-(pyrrolidinylsulfonyl)phenyl]benzoic acid1261941-12-1C18H19NO4S
- (E)-N-((4-Hydroxychroman-4-yl)methyl)-2-phenylethenesulfonamide1396892-55-9C18H19NO4S
- N-(2-Hydroxy-2-(4-(methylthio)phenyl)ethyl)-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide1448129-24-5C18H19NO4S
- 2-(2,3-Dihydro-1,4-benzodioxin-6-ylsulfanyl)-N-(2-ethoxyphenyl)acetamide876940-88-4C18H19NO4S
- Benzo(b)thiophene-3-carboxylic acid, 4,5,6,7-tetrahydro-2-(benzoylamino)-, 2-hydroxyethyl ester78033-87-1C18H19NO4S
- 2-Pyrrolidinone, 1-((1,1'-biphenyl)-3-ylsulfonyl)-5-ethoxy-111711-71-8C18H19NO4S
- 2-Pyrrolidinone, 1-((1,1'-biphenyl)-4-ylsulfonyl)-5-ethoxy-111711-79-6C18H19NO4S
- N-(1,1-Dioxidotetrahydrothiophen-3-yl)-N-methyl-3-phenoxybenzamide882244-54-4C18H19NO4S
- 4-Dibenzofuran-2-ylsulfonyl-2,6-dimethylmorpholine698988-88-4C18H19NO4S
- (2E)-N-(1,1-Dioxidotetrahydrothiophen-3-yl)-N-(furan-2-ylmethyl)-3-phenylprop-2-enamide515126-75-7C18H19NO4S
- Ethyl 1-[(4-methylphenyl)sulfonyl]-3-phenyl-2-aziridinecarboxylate50468-24-1C18H19NO4S
- N-[(Furan-2-yl)methyl]-6-propoxynaphthalene-2-sulfonamide929431-73-2C18H19NO4S
- N-(4-Acetylphenyl)-3-(isopropylsulfonyl)benzamide919844-00-1C18H19NO4S
- N-((1,1-Dioxidotetrahydrothiophen-3-yl)methyl)-2-phenoxybenzamide1235272-92-0C18H19NO4S
- 2-Formyl-4-[4-(piperidin-1-ylsulfonyl)phenyl]phenol1261966-95-3C18H19NO4S
- 5-Methyl-2-[4-(pyrrolidinylsulfonyl)phenyl]benzoic acid1261941-10-9C18H19NO4S
- N-(2-Cyclopropyl-2-hydroxy-2-(thiophen-2-yl)ethyl)-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide1396795-13-3C18H19NO4S
- N-(2-(Benzo[d][1,3]dioxol-5-yl)-2-hydroxypropyl)-2-(methylthio)benzamide1396798-07-4C18H19NO4S
- N-(4-(2-Methoxyphenoxy)but-2-yn-1-yl)-1-phenylmethanesulfonamide1428372-93-3C18H19NO4S
- Furan-2-yl((1R,5S)-3-(phenylsulfonyl)-8-azabicyclo[3.2.1]octan-8-yl)methanone1797688-16-4C18H19NO4S
- Furan-3-yl((1R,5S)-3-(phenylsulfonyl)-8-azabicyclo[3.2.1]octan-8-yl)methanone1448124-57-9C18H19NO4S
- Methyl (2Z)-3-[(4-ethylphenyl)amino]-2-(phenylsulfonyl)acrylate1327196-59-7C18H19NO4S
- Methyl (2Z)-3-[(4-methylphenyl)amino]-2-[(4-methylphenyl)sulfonyl]acrylate1327179-55-4C18H19NO4S
- Methyl (2Z)-3-anilino-2-[(4-ethylphenyl)sulfonyl]acrylate1327178-36-8C18H19NO4S
- Methyl (2Z)-3-anilino-2-[(3,4-dimethylphenyl)sulfonyl]acrylate1327196-11-1C18H19NO4S
- N-(Tetrahydro-2H-pyran-4-yl)-N-(thiophen-2-ylmethyl)benzo[d][1,3]dioxole-5-carboxamide1797605-02-7C18H19NO4S
- N-(2-(Benzofuran-2-yl)-2-hydroxypropyl)-1-phenylmethanesulfonamide2034600-82-1C18H19NO4S
- 2-(4-Morpholin-4-yl-4-oxobutyl)sulfanylnaphthalene-1,4-dione65726-83-2C18H19NO4S
- (5-Methyl-2-phenyl-4,5-dihydro-1,3-oxazol-4-yl)methyl 4-methylbenzenesulfonate7462-52-4C18H19NO4S
- 5-(4-Methylphenyl)-5-oxo-2-(phenylsulfonyl)pentanamide400075-38-9C18H19NO4S
- 6-[4-(Benzenesulfinyl)butoxy]-1,4-dihydro-2H-3,1-benzoxazin-2-one89431-94-7C18H19NO4S
- N-(3-Acetylphenyl)-3-(isopropylsulfonyl)benzamide919863-98-2C18H19NO4S
- 1-(4-Ethoxyphenyl)-1-oxopropan-2-yl 2-(methylsulfanyl)pyridine-3-carboxylate1089572-87-1C18H19NO4S
Frequently asked questions
What is the molar mass of C18H19NO4S?
The molar mass of C18H19NO4S is 345.41 g/mol, calculated from standard atomic weights for 18 carbon atoms, 19 hydrogen atoms, 1 nitrogen atom, 4 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 345.1035 Da.
How many compounds have the formula C18H19NO4S?
CompoundList lists 172 compounds with the molecular formula C18H19NO4S, including 1-(Benzenesulfonyl)-4-phenylpiperidine-4-carboxylic acid, N-((Phenylmethoxy)carbonyl)-S-(phenylmethyl)-L-cysteine, Bas 09588626. 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 C18H19NO4S?
C18H19NO4S has a degree of unsaturation of 10. 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.