Molecular formula
C21H19N3O4S
153 compounds have this formula on CompoundList.
- Molar mass
- 409.46g/mol
- Monoisotopic mass
- 409.1096Da
- Atoms
- 48
- Elements
- 5
- Rings plus double bonds
- 14
The formula C21H19N3O4S describes a molecule made of 21 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 × 2161.60%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 194.68%1.008 × 19 = 19.152 g/mol
- N Nitrogen × 310.26%14.007 × 3 = 42.021 g/mol
- O Oxygen × 415.63%15.999 × 4 = 63.996 g/mol
- S Sulfur × 17.83%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C21H19N3O4S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 153 of 153 compounds
![N-(1,3-Benzodioxol-5-ylmethyl)-2-[6-(4-methoxyphenyl)pyridazin-3-yl]sulfanylacetamide chemical structure, C21H19N3O4S, CAS 893995-78-3](/s/FDPMSNQZPZZBEH-UHFFFAOYSA-N.svg)
N-(1,3-Benzodioxol-5-ylmethyl)-2-[6-(4-methoxyphenyl)pyridazin-3-yl]sulfanylacetamide
CAS 893995-78-3C21H19N3O4S
![N-(1,3-Benzodioxol-5-yl)-2-[6-(4-ethoxyphenyl)pyridazin-3-yl]sulfanylacetamide chemical structure, C21H19N3O4S, CAS 894000-43-2](/s/CCBZNQUPHCUQNE-UHFFFAOYSA-N.svg)
N-(1,3-Benzodioxol-5-yl)-2-[6-(4-ethoxyphenyl)pyridazin-3-yl]sulfanylacetamide
CAS 894000-43-2C21H19N3O4S
![N-(1,3-Benzodioxol-5-ylmethyl)-2-[6-(3-methoxyphenyl)pyridazin-3-yl]sulfanylacetamide chemical structure, C21H19N3O4S, CAS 893988-30-2](/s/DQRYVJWDDWICJQ-UHFFFAOYSA-N.svg)
N-(1,3-Benzodioxol-5-ylmethyl)-2-[6-(3-methoxyphenyl)pyridazin-3-yl]sulfanylacetamide
CAS 893988-30-2C21H19N3O4S
![Methyl 2-(2-naphthamido)-3-carbamoyl-4,5-dihydrothieno[2,3-c]pyridine-6(7H)-carboxylate chemical structure, C21H19N3O4S, CAS 886952-94-9](/s/DUNKPKZYJNLDJA-UHFFFAOYSA-N.svg)
Methyl 2-(2-naphthamido)-3-carbamoyl-4,5-dihydrothieno[2,3-c]pyridine-6(7H)-carboxylate
CAS 886952-94-9C21H19N3O4S
![2-(Diethylamino)benzo[d]thiazol-6-yl 2-(1,3-dioxoisoindolin-2-yl)acetate chemical structure, C21H19N3O4S, CAS 953245-36-8](/s/QDKZGJFZLJAHNY-UHFFFAOYSA-N.svg)
2-(Diethylamino)benzo[d]thiazol-6-yl 2-(1,3-dioxoisoindolin-2-yl)acetate
CAS 953245-36-8C21H19N3O4S
![N-Benzyl-2-{[4-(2,3-dihydro-1,4-benzodioxin-6-yl)-3-oxo-3,4-dihydropyrazin-2-yl]sulfanyl}acetamide chemical structure, C21H19N3O4S, CAS 899987-33-8](/s/XVUNMMLNEGTZDJ-UHFFFAOYSA-N.svg)
N-Benzyl-2-{[4-(2,3-dihydro-1,4-benzodioxin-6-yl)-3-oxo-3,4-dihydropyrazin-2-yl]sulfanyl}acetamide
CAS 899987-33-8C21H19N3O4S
N-(5-Methylisoxazol-3-yl)-2-(3-tosyl-1H-indol-1-yl)acetamide
CAS 946246-35-1C21H19N3O4S
![N-(4-(2-((4-Methylbenzyl)amino)-2-oxoethyl)thiazol-2-yl)benzo[d][1,3]dioxole-5-carboxamide chemical structure, C21H19N3O4S, CAS 1005295-38-4](/s/GAGCFFZHLUNONA-UHFFFAOYSA-N.svg)
N-(4-(2-((4-Methylbenzyl)amino)-2-oxoethyl)thiazol-2-yl)benzo[d][1,3]dioxole-5-carboxamide
CAS 1005295-38-4C21H19N3O4S
![N-(4-(2-Oxo-2-((1-phenylethyl)amino)ethyl)thiazol-2-yl)benzo[d][1,3]dioxole-5-carboxamide chemical structure, C21H19N3O4S, CAS 1005308-49-5](/s/DJXIUQWUVZIJNK-UHFFFAOYSA-N.svg)
N-(4-(2-Oxo-2-((1-phenylethyl)amino)ethyl)thiazol-2-yl)benzo[d][1,3]dioxole-5-carboxamide
CAS 1005308-49-5C21H19N3O4S
![N-(4-(2-Oxo-2-(phenethylamino)ethyl)thiazol-2-yl)benzo[d][1,3]dioxole-5-carboxamide chemical structure, C21H19N3O4S, CAS 941943-52-8](/s/FOFBFGCFWFHLND-UHFFFAOYSA-N.svg)
N-(4-(2-Oxo-2-(phenethylamino)ethyl)thiazol-2-yl)benzo[d][1,3]dioxole-5-carboxamide
CAS 941943-52-8C21H19N3O4S
![N-(4-(2-((2-Ethylphenyl)amino)-2-oxoethyl)thiazol-2-yl)benzo[d][1,3]dioxole-5-carboxamide chemical structure, C21H19N3O4S, CAS 1005308-51-9](/s/ZEDWGSJDRYKLNB-UHFFFAOYSA-N.svg)
N-(4-(2-((2-Ethylphenyl)amino)-2-oxoethyl)thiazol-2-yl)benzo[d][1,3]dioxole-5-carboxamide
CAS 1005308-51-9C21H19N3O4S
![N-(4-(2-((2,3-Dimethylphenyl)amino)-2-oxoethyl)thiazol-2-yl)benzo[d][1,3]dioxole-5-carboxamide chemical structure, C21H19N3O4S, CAS 921819-20-7](/s/QGUUURGAPGJVHL-UHFFFAOYSA-N.svg)
N-(4-(2-((2,3-Dimethylphenyl)amino)-2-oxoethyl)thiazol-2-yl)benzo[d][1,3]dioxole-5-carboxamide
CAS 921819-20-7C21H19N3O4S
![N-(4-(2-((2,4-Dimethylphenyl)amino)-2-oxoethyl)thiazol-2-yl)benzo[d][1,3]dioxole-5-carboxamide chemical structure, C21H19N3O4S, CAS 921865-07-8](/s/KLVMEWQHMUGVKA-UHFFFAOYSA-N.svg)
N-(4-(2-((2,4-Dimethylphenyl)amino)-2-oxoethyl)thiazol-2-yl)benzo[d][1,3]dioxole-5-carboxamide
CAS 921865-07-8C21H19N3O4S
![N-(4-(2-((2,5-Dimethylphenyl)amino)-2-oxoethyl)thiazol-2-yl)benzo[d][1,3]dioxole-5-carboxamide chemical structure, C21H19N3O4S, CAS 921520-22-1](/s/GPOJEYOOUFXCAV-UHFFFAOYSA-N.svg)
N-(4-(2-((2,5-Dimethylphenyl)amino)-2-oxoethyl)thiazol-2-yl)benzo[d][1,3]dioxole-5-carboxamide
CAS 921520-22-1C21H19N3O4S
![N-(4-(2-((2,6-Dimethylphenyl)amino)-2-oxoethyl)thiazol-2-yl)benzo[d][1,3]dioxole-5-carboxamide chemical structure, C21H19N3O4S, CAS 921819-24-1](/s/RDMBTIVLZQREKE-UHFFFAOYSA-N.svg)
N-(4-(2-((2,6-Dimethylphenyl)amino)-2-oxoethyl)thiazol-2-yl)benzo[d][1,3]dioxole-5-carboxamide
CAS 921819-24-1C21H19N3O4S
![2-((3-Ethyl-4-oxo-3,4-dihydrobenzofuro[3,2-d]pyrimidin-2-yl)thio)-N-(3-methoxyphenyl)acetamide chemical structure, C21H19N3O4S, CAS 923157-68-0](/s/PBBXBJXPDAJOSR-UHFFFAOYSA-N.svg)
2-((3-Ethyl-4-oxo-3,4-dihydrobenzofuro[3,2-d]pyrimidin-2-yl)thio)-N-(3-methoxyphenyl)acetamide
CAS 923157-68-0C21H19N3O4S
![N-(4-(2-((3,5-Dimethylphenyl)amino)-2-oxoethyl)thiazol-2-yl)benzo[d][1,3]dioxole-5-carboxamide chemical structure, C21H19N3O4S, CAS 921865-10-3](/s/AVXHCJXZIRUKOK-UHFFFAOYSA-N.svg)
N-(4-(2-((3,5-Dimethylphenyl)amino)-2-oxoethyl)thiazol-2-yl)benzo[d][1,3]dioxole-5-carboxamide
CAS 921865-10-3C21H19N3O4S
![N-(4-(2-((3,4-Dimethylphenyl)amino)-2-oxoethyl)thiazol-2-yl)benzo[d][1,3]dioxole-5-carboxamide chemical structure, C21H19N3O4S, CAS 921560-71-6](/s/BINOGNAAJFBOQM-UHFFFAOYSA-N.svg)
N-(4-(2-((3,4-Dimethylphenyl)amino)-2-oxoethyl)thiazol-2-yl)benzo[d][1,3]dioxole-5-carboxamide
CAS 921560-71-6C21H19N3O4S
![N-(4-(3-((2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)amino)-3-oxopropyl)thiazol-2-yl)benzamide chemical structure, C21H19N3O4S, CAS 1021227-45-1](/s/GBIHYXUSPMIYNE-UHFFFAOYSA-N.svg)
N-(4-(3-((2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)amino)-3-oxopropyl)thiazol-2-yl)benzamide
CAS 1021227-45-1C21H19N3O4S
![(Z)-Methyl 2-((1H-indole-3-carbonyl)imino)-3-(2-methoxyethyl)-2,3-dihydrobenzo[d]thiazole-6-carboxylate chemical structure, C21H19N3O4S, CAS 1173638-14-6](/s/SLYUOGCTBPNVJB-UHFFFAOYSA-N.svg)
(Z)-Methyl 2-((1H-indole-3-carbonyl)imino)-3-(2-methoxyethyl)-2,3-dihydrobenzo[d]thiazole-6-carboxylate
CAS 1173638-14-6C21H19N3O4S
![(E)-3-(Benzo[d][1,3]dioxol-5-yl)-N-(5-(3-(isopropylthio)phenyl)-1,3,4-oxadiazol-2-yl)acrylamide chemical structure, C21H19N3O4S, CAS 1173472-95-1](/s/ZIFBNZRCRDYPIO-VQHVLOKHSA-N.svg)
(E)-3-(Benzo[d][1,3]dioxol-5-yl)-N-(5-(3-(isopropylthio)phenyl)-1,3,4-oxadiazol-2-yl)acrylamide
CAS 1173472-95-1C21H19N3O4S
![4-(3-Methoxyphenyl)-2-(2-methylbenzyl)-2H-pyrido[2,3-e][1,2,4]thiadiazin-3(4H)-one 1,1-dioxide chemical structure, C21H19N3O4S, CAS 1251708-96-9](/s/OJCOZSUMPKSWHM-UHFFFAOYSA-N.svg)
4-(3-Methoxyphenyl)-2-(2-methylbenzyl)-2H-pyrido[2,3-e][1,2,4]thiadiazin-3(4H)-one 1,1-dioxide
CAS 1251708-96-9C21H19N3O4S
![4-(3-Methoxyphenyl)-2-(4-methylbenzyl)-2H-pyrido[2,3-e][1,2,4]thiadiazin-3(4H)-one 1,1-dioxide chemical structure, C21H19N3O4S, CAS 1251577-99-7](/s/ZXBPLZRSSTUKFT-UHFFFAOYSA-N.svg)
4-(3-Methoxyphenyl)-2-(4-methylbenzyl)-2H-pyrido[2,3-e][1,2,4]thiadiazin-3(4H)-one 1,1-dioxide
CAS 1251577-99-7C21H19N3O4S
![4-(4-Methoxyphenyl)-2-(2-methylbenzyl)-2H-pyrido[2,3-e][1,2,4]thiadiazin-3(4H)-one 1,1-dioxide chemical structure, C21H19N3O4S, CAS 1251631-93-2](/s/ADFNTIWSHGLFBK-UHFFFAOYSA-N.svg)
4-(4-Methoxyphenyl)-2-(2-methylbenzyl)-2H-pyrido[2,3-e][1,2,4]thiadiazin-3(4H)-one 1,1-dioxide
CAS 1251631-93-2C21H19N3O4S
- 4-(4-Methoxyphenyl)-2-(4-methylbenzyl)-2H-pyrido[2,3-e][1,2,4]thiadiazin-3(4H)-one 1,1-dioxide1251598-91-0C21H19N3O4S
- 4-{[({3-[4-(Methylsulfanyl)phenyl]-6-oxopyridazin-1(6H)-yl}acetyl)amino]methyl}benzoic acid1282142-70-4C21H19N3O4S
- N-(2-Carbamoylphenyl)-3-[methyl(phenylsulfonyl)amino]benzamide1309117-71-2C21H19N3O4S
- 2-[(5-Benzylcarbamoyl-4-methylthiazol-2-ylcarbamoyl)methyl]benzoic acid957050-86-1C21H19N3O4S
- 2-(1-(4-(Thiazol-2-yloxy)benzoyl)azetidin-3-yl)-3a,4,7,7a-tetrahydro-1H-isoindole-1,3(2H)-dione1903449-65-9C21H19N3O4S
- 4-[4-(3,4-Dimethoxyphenyl)-1,3-thiazol-2-yl]-1-(4-hydroxyphenyl)-5-imino-2,5-dihydro-1H-pyrrol-3-ol929821-38-5C21H19N3O4S
- (2Z)-2-[(5-Methylfuran-2-yl)methylidene]-6-(4-propoxybenzyl)-7H-[1,3]thiazolo[3,2-b][1,2,4]triazine-3,7(2H)-dione620540-29-6C21H19N3O4S
- N-[2-Methoxy-4-[(4-methylbenzoyl)carbamothioylamino]phenyl]furan-2-carboxamide428458-38-2C21H19N3O4S
- 1-[(1S,2S)-2-(Hydroxymethyl)-2,3-dihydro-1H-benzo[f]chromen-1-yl]-3-(4-nitrophenyl)thiourea318959-03-4C21H19N3O4S
- Methyl 2-{[(4-oxo-1-phenyl-1,4-dihydropyridazin-3-yl)carbonyl]amino}-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate919066-42-5C21H19N3O4S
- 4-(Benzylsulfonyl)-N-(pyridin-3-yl)-3,4-dihydro-2H-1,4-benzoxazine-2-carboxamide948403-09-6C21H19N3O4S
- 2-{5,6-Dimethyl-2,4-dioxo-3-phenyl-1H,2H,3H,4H-thieno[2,3-d]pyrimidin-1-yl}-N-[(furan-2-yl)methyl]acetamide899929-18-1C21H19N3O4S
- (E)-2-((4-Methoxyphenyl)sulfonyl)-N-(4-(phenyldiazenyl)phenyl)acetamide1006823-16-0C21H19N3O4S
- Benzyl (1-amino-2-((3-benzoylthiophen-2-yl)amino)-2-oxoethyl)carbamate1300090-17-8C21H19N3O4S
- Benzyl (1-amino-2-((2-benzoylthiophen-3-yl)amino)-2-oxoethyl)carbamate1300090-19-0C21H19N3O4S
- N-{[4-(Furan-2-yl)thiophen-2-yl]methyl}-N'-[3-(2-oxopyrrolidin-1-yl)phenyl]ethanediamide2379996-27-5C21H19N3O4S
- 4-[(E)-(2,4-Dioxopentan-3-yl)diazenyl]-N-(naphthalen-1-yl)benzene-1-sulfonamide62379-50-4C21H19N3O4S
- 5-(Hydroxymethyl)-8-methyl-3-(7-methyl-4-oxo-5,6,7,8-tetrahydro-3H-[1]benzothiolo[2,3-d]pyrimidin-2-yl)pyrano[2,3-c]pyridin-2-one1276541-27-5C21H19N3O4S
- (3R)-3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3-(4-methyl-1,2,3-thiadiazol-5-yl)propanoic acid1847517-70-7C21H19N3O4S
- 2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3-(4-methyl-1,2,3-thiadiazol-5-yl)propanoic acid1850154-15-2C21H19N3O4S
- (3S)-3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3-(4-methyl-1,2,3-thiadiazol-5-yl)propanoic acid1845792-49-5C21H19N3O4S
- 2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3-(5-methyl-1,3,4-thiadiazol-2-yl)propanoic acid2148555-78-4C21H19N3O4S
- 3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3-(4-methyl-1,2,3-thiadiazol-5-yl)propanoic acid1866328-70-2C21H19N3O4S
- 2-(Dimethylamino)-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1,3-thiazole-5-carboxylic acid2287331-72-8C21H19N3O4S
- 4-[5-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-1,3,4-thiadiazol-2-yl]butanoic acid2385060-07-9C21H19N3O4S
- 2-{[4-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-1-methyl-1H-pyrazol-3-yl]sulfanyl}acetic acid2383546-76-5C21H19N3O4S
- 4-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-1-methyl-2-(methylsulfanyl)-1H-imidazole-5-carboxylic acid2385879-72-9C21H19N3O4S
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-[(1-propyl-1H-1,3-benzodiazol-2-yl)sulfanyl]propanoate2248353-48-0C21H19N3O4S
- (2R)-2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3-(2-sulfanyl-1H-imidazol-4-yl)propanoic acid2913160-18-4C21H19N3O4S
Frequently asked questions
What is the molar mass of C21H19N3O4S?
The molar mass of C21H19N3O4S is 409.46 g/mol, calculated from standard atomic weights for 21 carbon atoms, 19 hydrogen atoms, 3 nitrogen atoms, 4 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 409.1096 Da.
How many compounds have the formula C21H19N3O4S?
CompoundList lists 153 compounds with the molecular formula C21H19N3O4S, including N-(1,3-Benzodioxol-5-ylmethyl)-2-[6-(4-methoxyphenyl)pyridazin-3-yl]sulfanylacetamide, N-(1,3-Benzodioxol-5-yl)-2-[6-(4-ethoxyphenyl)pyridazin-3-yl]sulfanylacetamide, N-(1,3-Benzodioxol-5-ylmethyl)-2-[6-(3-methoxyphenyl)pyridazin-3-yl]sulfanylacetamide. 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 C21H19N3O4S?
C21H19N3O4S has a degree of unsaturation of 14. 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.