Molecular formula
C21H17N3O5S
61 compounds have this formula on CompoundList.
- Molar mass
- 423.44g/mol
- Monoisotopic mass
- 423.0889Da
- Atoms
- 47
- Elements
- 5
- Rings plus double bonds
- 15
The formula C21H17N3O5S describes a molecule made of 21 carbon atoms, 17 hydrogen atoms, 3 nitrogen atoms, 5 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 × 2159.57%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 174.05%1.008 × 17 = 17.136 g/mol
- N Nitrogen × 39.92%14.007 × 3 = 42.021 g/mol
- O Oxygen × 518.89%15.999 × 5 = 79.995 g/mol
- S Sulfur × 17.57%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C21H17N3O5S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 61 of 61 compounds
(2E)-6-Phenyl-2-(3,4,5-trimethoxybenzylidene)-7H-(1,3)thiazolo(3,2-B)(1,2,4)triazine-3,7(2H)-dione
CAS 463366-91-8C21H17N3O5S
![2-[2-(1,3-Dioxo-1H,3H-benzo[de]isoquinolin-2-yl)-acetylamino]-4-methyl-thiazole-5-carboxylic acid ethyl ester chemical structure, C21H17N3O5S, CAS 494825-84-2](/s/SBOHWOGOWLBEDG-UHFFFAOYSA-N.svg)
2-[2-(1,3-Dioxo-1H,3H-benzo[de]isoquinolin-2-yl)-acetylamino]-4-methyl-thiazole-5-carboxylic acid ethyl ester
CAS 494825-84-2C21H17N3O5S
![5-[4-(Allyloxy)phenyl]-4-(2-furoyl)-3-hydroxy-1-(5-methyl-1,3,4-thiadiazol-2-yl)-1,5-dihydro-2H-pyrrol-2-one chemical structure, C21H17N3O5S, CAS 431934-93-9](/s/NCHLKERMDMBWOV-UHFFFAOYSA-N.svg)
5-[4-(Allyloxy)phenyl]-4-(2-furoyl)-3-hydroxy-1-(5-methyl-1,3,4-thiadiazol-2-yl)-1,5-dihydro-2H-pyrrol-2-one
CAS 431934-93-9C21H17N3O5S
![N-[2-(4-Methoxyphenyl)-5,5-dioxo-2H,4H,6H-5lambda6-thieno[3,4-c]pyrazol-3-yl]-1-benzofuran-2-carboxamide chemical structure, C21H17N3O5S, CAS 893939-04-3](/s/CSTHFUOKGBTVRO-UHFFFAOYSA-N.svg)
N-[2-(4-Methoxyphenyl)-5,5-dioxo-2H,4H,6H-5lambda6-thieno[3,4-c]pyrazol-3-yl]-1-benzofuran-2-carboxamide
CAS 893939-04-3C21H17N3O5S
![N-[4-(2,3-Dihydro-1H-indol-1-ylsulfonyl)phenyl]-3-nitrobenzamide chemical structure, C21H17N3O5S, CAS 314764-19-7](/s/QNKZOHTVUYJJFX-UHFFFAOYSA-N.svg)
N-[4-(2,3-Dihydro-1H-indol-1-ylsulfonyl)phenyl]-3-nitrobenzamide
CAS 314764-19-7C21H17N3O5S
4-(2-((3-Methoxyanilino)(oxo)AC)carbohydrazonoyl)phenyl 2-thiophenecarboxylate
CAS 769142-56-5C21H17N3O5S
Benzeneethanesulfonic acid, 4-((3-nitro-9-acridinyl)amino)-
CAS 64895-26-7C21H17N3O5S
![Ethyl 2-(5-(4-methoxyphenyl)isoxazole-3-carboxamido)benzo[d]thiazole-6-carboxylate chemical structure, C21H17N3O5S, CAS 898482-21-8](/s/QYIRIMFZOMRLLG-UHFFFAOYSA-N.svg)
Ethyl 2-(5-(4-methoxyphenyl)isoxazole-3-carboxamido)benzo[d]thiazole-6-carboxylate
CAS 898482-21-8C21H17N3O5S
![Ethyl 2-(3-(2,5-dioxopyrrolidin-1-yl)benzamido)benzo[d]thiazole-6-carboxylate chemical structure, C21H17N3O5S, CAS 311327-58-9](/s/UWRSYVOJLHKBDU-UHFFFAOYSA-N.svg)
Ethyl 2-(3-(2,5-dioxopyrrolidin-1-yl)benzamido)benzo[d]thiazole-6-carboxylate
CAS 311327-58-9C21H17N3O5S
![2-(Benzo[d]oxazol-2-ylthio)-N-((5-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)isoxazol-3-yl)methyl)acetamide chemical structure, C21H17N3O5S, CAS 1207051-03-3](/s/VGMBSNSZQZHCJO-UHFFFAOYSA-N.svg)
2-(Benzo[d]oxazol-2-ylthio)-N-((5-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)isoxazol-3-yl)methyl)acetamide
CAS 1207051-03-3C21H17N3O5S
![1-Amino-4-{[4-(methylamino)phenyl]amino}-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid chemical structure, C21H17N3O5S, CAS 59836-93-0](/s/HZKAPKKKJAJPQR-UHFFFAOYSA-N.svg)
1-Amino-4-{[4-(methylamino)phenyl]amino}-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid
CAS 59836-93-0C21H17N3O5S
![Methyl 1-oxo-2-[3-(2-sulfanylidene-1,3-benzoxazol-3-yl)propanoylamino]isoquinoline-4-carboxylate chemical structure, C21H17N3O5S, CAS 685869-13-0](/s/FNTXXQLLGVPHCT-UHFFFAOYSA-N.svg)
Methyl 1-oxo-2-[3-(2-sulfanylidene-1,3-benzoxazol-3-yl)propanoylamino]isoquinoline-4-carboxylate
CAS 685869-13-0C21H17N3O5S
![(Z)-2-[4-(3,4-Dimethoxyphenyl)-1,3-thiazol-2-yl]-3-(4-methoxy-3-nitrophenyl)prop-2-enenitrile chemical structure, C21H17N3O5S, CAS 373614-54-1](/s/MPNSNTZBHSVGOS-NVNXTCNLSA-N.svg)
(Z)-2-[4-(3,4-Dimethoxyphenyl)-1,3-thiazol-2-yl]-3-(4-methoxy-3-nitrophenyl)prop-2-enenitrile
CAS 373614-54-1C21H17N3O5S
![Benzyl {[3-cyano-6-hydroxy-4-(2-nitrophenyl)-4,5-dihydropyridin-2-yl]sulfanyl}acetate chemical structure, C21H17N3O5S, CAS 332046-01-2](/s/FZFBFFJCVVQTPM-UHFFFAOYSA-N.svg)
Benzyl {[3-cyano-6-hydroxy-4-(2-nitrophenyl)-4,5-dihydropyridin-2-yl]sulfanyl}acetate
CAS 332046-01-2C21H17N3O5S
![(E)-3-(2,5-Dioxopyrrolidin-1-yl)-N-(3-methyl-6,7-dihydro-[1,4]dioxino[2',3':4,5]benzo[1,2-d]thiazol-2(3H)-ylidene)benzamide chemical structure, C21H17N3O5S, CAS 1321710-28-4](/s/BEDUTCVBGKUWQE-UHFFFAOYSA-N.svg)
(E)-3-(2,5-Dioxopyrrolidin-1-yl)-N-(3-methyl-6,7-dihydro-[1,4]dioxino[2',3':4,5]benzo[1,2-d]thiazol-2(3H)-ylidene)benzamide
CAS 1321710-28-4C21H17N3O5S
![N-[4-(2,3-Dihydro-1H-indol-1-ylsulfonyl)phenyl]-2-nitrobenzamide chemical structure, C21H17N3O5S, CAS 314764-17-5](/s/OYHADOVJBOPUKE-UHFFFAOYSA-N.svg)
N-[4-(2,3-Dihydro-1H-indol-1-ylsulfonyl)phenyl]-2-nitrobenzamide
CAS 314764-17-5C21H17N3O5S
![N-[4-(2,3-Dihydro-1H-indol-1-ylsulfonyl)phenyl]-4-nitrobenzamide chemical structure, C21H17N3O5S, CAS 316153-89-6](/s/KYHUUJQMJFCMCE-UHFFFAOYSA-N.svg)
N-[4-(2,3-Dihydro-1H-indol-1-ylsulfonyl)phenyl]-4-nitrobenzamide
CAS 316153-89-6C21H17N3O5S
![N-{6-[(3,4-Dimethoxybenzoyl)amino]-1,3-benzothiazol-2-yl}-2-furamide chemical structure, C21H17N3O5S, CAS 921133-75-7](/s/HIJQYLVMZOEYGH-UHFFFAOYSA-N.svg)
N-{6-[(3,4-Dimethoxybenzoyl)amino]-1,3-benzothiazol-2-yl}-2-furamide
CAS 921133-75-7C21H17N3O5S
![Ethyl 5-(furan-2-carbonylamino)-3-(4-methylphenyl)-4-oxothieno[3,4-d]pyridazine-1-carboxylate chemical structure, C21H17N3O5S, CAS 851948-74-8](/s/TYPQOBIAXLQETG-UHFFFAOYSA-N.svg)
Ethyl 5-(furan-2-carbonylamino)-3-(4-methylphenyl)-4-oxothieno[3,4-d]pyridazine-1-carboxylate
CAS 851948-74-8C21H17N3O5S
4-(Indolin-1-ylsulfonyl)-N-(4-nitrophenyl)benzamide
CAS 476633-37-1C21H17N3O5S
4-Oxo-6-((pyrimidin-2-ylthio)methyl)-4H-pyran-3-yl 5-oxo-1-phenylpyrrolidine-3-carboxylate
CAS 877638-27-2C21H17N3O5S
![2-(2-(Furan-2-yl)-4-oxo-3,4-dihydrobenzo[b][1,4]thiazepin-5(2H)-yl)-N-(4-nitrophenyl)acetamide chemical structure, C21H17N3O5S, CAS 863005-11-2](/s/UOFHEXDJAKCHOR-UHFFFAOYSA-N.svg)
2-(2-(Furan-2-yl)-4-oxo-3,4-dihydrobenzo[b][1,4]thiazepin-5(2H)-yl)-N-(4-nitrophenyl)acetamide
CAS 863005-11-2C21H17N3O5S
![3-{(Z)-[2-(3,4-Dimethoxyphenyl)-6-oxo[1,3]thiazolo[3,2-b][1,2,4]triazol-5(6H)-ylidene]methyl}phenyl acetate chemical structure, C21H17N3O5S, CAS 573948-73-9](/s/ULRLQSPWUXZNDA-ZDLGFXPLSA-N.svg)
3-{(Z)-[2-(3,4-Dimethoxyphenyl)-6-oxo[1,3]thiazolo[3,2-b][1,2,4]triazol-5(6H)-ylidene]methyl}phenyl acetate
CAS 573948-73-9C21H17N3O5S
![Methyl 4-{(Z)-[2-(3,4-dimethoxyphenyl)-6-oxo[1,3]thiazolo[3,2-b][1,2,4]triazol-5(6H)-ylidene]methyl}benzoate chemical structure, C21H17N3O5S, CAS 577990-00-2](/s/PINNTYBNJKYNMF-YVLHZVERSA-N.svg)
Methyl 4-{(Z)-[2-(3,4-dimethoxyphenyl)-6-oxo[1,3]thiazolo[3,2-b][1,2,4]triazol-5(6H)-ylidene]methyl}benzoate
CAS 577990-00-2C21H17N3O5S
- 4-{(Z)-[2-(3,4-Dimethoxyphenyl)-6-oxo[1,3]thiazolo[3,2-b][1,2,4]triazol-5(6H)-ylidene]methyl}phenyl acetate586997-86-6C21H17N3O5S
- 4-(Furan-2-carbonyl)-3-hydroxy-1-(5-methyl-1,3,4-thiadiazol-2-yl)-5-[3-(prop-2-en-1-yloxy)phenyl]-2,5-dihydro-1H-pyrrol-2-one619273-46-0C21H17N3O5S
- (Z)-Methyl 2-(2-((2-(1,3-dioxoisoindolin-2-yl)acetyl)imino)-6-methylbenzo[d]thiazol-3(2H)-yl)acetate865197-37-1C21H17N3O5S
- (E)-2-Cyano-N-(2-methoxyphenyl)-3-(5-(4-sulfamoylphenyl)furan-2-yl)acrylamide630047-52-8C21H17N3O5S
- N-(1,3-Benzodioxol-5-yl)-2-[(3-ethyl-4-oxo-3,4-dihydro[1]benzofuro[3,2-d]pyrimidin-2-yl)sulfanyl]acetamide923257-69-6C21H17N3O5S
- 4-(3-Nitrobenzyl)-2-(p-tolyl)-2H-benzo[e][1,2,4]thiadiazin-3(4H)-one 1,1-dioxide899965-53-8C21H17N3O5S
- N-(2-((3-(Furan-2-yl)-1,2,4-oxadiazol-5-yl)methyl)phenyl)-2,3-dihydrobenzofuran-5-sulfonamide1797603-62-3C21H17N3O5S
- 1-(2-Methoxydibenzofuran-3-yl)-3-(2-methoxy-4-nitrophenyl)thiourea701967-40-0C21H17N3O5S
- N-[[4-(Furan-2-carbonylamino)phenyl]carbamothioyl]-2,3-dihydro-1,4-benzodioxine-6-carboxamide895639-19-7C21H17N3O5S
- N-[4-(3,4-Dimethoxyphenyl)-1,3-thiazol-2-yl]-2-(1,3-dioxoisoindol-2-yl)acetamide476298-62-1C21H17N3O5S
- (E)-2-(4-(3-Nitrophenyl)thiazol-2-yl)-3-(3,4,5-trimethoxyphenyl)acrylonitrile683250-82-0C21H17N3O5S
- (E)-2-(4-(3,4-Dimethoxyphenyl)thiazol-2-yl)-3-(2-methoxy-5-nitrophenyl)acrylonitrile683256-06-6C21H17N3O5S
- 2-((6-(Benzo[d][1,3]dioxol-5-yl)pyridazin-3-yl)thio)-N-(benzo[d][1,3]dioxol-5-ylmethyl)acetamide872695-50-6C21H17N3O5S
- 2-((6-(Benzo[d][1,3]dioxol-5-yl)pyridazin-3-yl)thio)-N-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)acetamide872695-45-9C21H17N3O5S
- N-(5-Methyl-4-(4-methyl-3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazin-6-yl)thiazol-2-yl)benzo[d][1,3]dioxole-5-carboxamide1011578-90-7C21H17N3O5S
- N-(4-(2,4-Dimethyl-3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazin-6-yl)thiazol-2-yl)benzo[d][1,3]dioxole-5-carboxamide1007656-89-4C21H17N3O5S
- 2-(5-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)isoxazol-3-yl)-N-((5-(thiophen-2-yl)isoxazol-3-yl)methyl)acetamide1171842-27-5C21H17N3O5S
- (E)-{[4-(Benzylsulfanyl)-3-nitrophenyl]methylidene}[(4-nitrophenyl)methoxy]amine303996-26-1C21H17N3O5S
- 1-[4-(2-{[5-(2H-1,3-Benzodioxol-5-yl)-1,3,4-oxadiazol-2-yl]sulfanyl}acetyl)phenyl]pyrrolidin-2-one920820-45-7C21H17N3O5S
- 1-[3-(2-{[5-(2H-1,3-Benzodioxol-5-yl)-1,3,4-oxadiazol-2-yl]sulfanyl}acetyl)phenyl]pyrrolidin-2-one920671-56-3C21H17N3O5S
- N-[4-({10-Oxo-2-oxa-9-azatricyclo[9.4.0.0^{3,8}]pentadeca-1(11),3(8),4,6,12,14-hexaen-13-yl}sulfamoyl)phenyl]acetamide922011-20-9C21H17N3O5S
- 2-Morpholinobenzo[d]thiazol-6-yl 2-(1,3-dioxoisoindolin-2-yl)acetate941935-83-7C21H17N3O5S
- (E)-2-(1,3-Dioxoisoindolin-2-yl)-N-(3-ethyl-6,7-dihydro-[1,4]dioxino[2',3':4,5]benzo[1,2-d]thiazol-2(3H)-ylidene)acetamide1321788-75-3C21H17N3O5S
- (E)-N-(4,7-Dimethoxy-3-(prop-2-yn-1-yl)benzo[d]thiazol-2(3H)-ylidene)-2-(2-oxobenzo[d]oxazol-3(2H)-yl)acetamide1173347-68-6C21H17N3O5S
- (5-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)isoxazol-3-yl)methyl 4-methyl-2-(1H-pyrrol-1-yl)thiazole-5-carboxylate1206998-50-6C21H17N3O5S
- (2Z)-2-[(3,4-Dimethoxyphenyl)imino]-7-hydroxy-N-(1,3-thiazol-2-yl)-2H-chromene-3-carboxamide478482-00-7C21H17N3O5S
- N-Benzyl-N-(6-ethoxybenzo[d]thiazol-2-yl)-5-nitrofuran-2-carboxamide899963-88-3C21H17N3O5S
- N-Benzyl-N-(4-methoxy-7-methylbenzo[d]thiazol-2-yl)-5-nitrofuran-2-carboxamide899964-02-4C21H17N3O5S
- Ethyl 4-oxo-2-(2-oxo-2H-chromen-3-yl)-3,4,5,6-tetrahydropyrido[4',3':4,5]thieno[2,3-d]pyrimidine-7(8H)-carboxylate1228073-47-9C21H17N3O5S
- 2-[2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-1,3-thiazol-4-yl]-2-(methoxyimino)acetic acid2243522-08-7C21H17N3O5S
- N-(4,5-Dimethyl-3-isoxazolyl)-2'-formyl-4'-(2-oxazolyl)[1,1'-biphenyl]-2-sulfonamide210891-12-6C21H17N3O5S
- 4-Methyl-N-[2-(3-nitro-9H-carbazol-9-yl)-2-oxoethyl]benzene-1-sulfonamide83277-38-7C21H17N3O5S
- 2-{[2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-1,3-thiazol-4-yl]formamido}acetic acid2172150-27-3C21H17N3O5S
- 2-{[2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-1,3-thiazol-5-yl]formamido}acetic acid2171960-64-6C21H17N3O5S
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-{3-oxo-8-thia-4,6-diazatricyclo[7.4.0.0,2,7]trideca-1(9),2(7),5-trien-4-yl}propanoate2248392-22-3C21H17N3O5S
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 6-oxo-1-{[2-(propan-2-yl)-1,3-thiazol-4-yl]methyl}-1,6-dihydropyridine-3-carboxylate2248414-98-2C21H17N3O5S
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-methyl-2-oxo-6-thia-1,8-diazatricyclo[7.5.0.0,3,7]tetradeca-3(7),4,8-triene-5-carboxylate2248343-02-2C21H17N3O5S
Frequently asked questions
What is the molar mass of C21H17N3O5S?
The molar mass of C21H17N3O5S is 423.44 g/mol, calculated from standard atomic weights for 21 carbon atoms, 17 hydrogen atoms, 3 nitrogen atoms, 5 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 423.0889 Da.
How many compounds have the formula C21H17N3O5S?
CompoundList lists 61 compounds with the molecular formula C21H17N3O5S, including (2E)-6-Phenyl-2-(3,4,5-trimethoxybenzylidene)-7H-(1,3)thiazolo(3,2-B)(1,2,4)triazine-3,7(2H)-dione, 2-[2-(1,3-Dioxo-1H,3H-benzo[de]isoquinolin-2-yl)-acetylamino]-4-methyl-thiazole-5-carboxylic acid ethyl ester, 5-[4-(Allyloxy)phenyl]-4-(2-furoyl)-3-hydroxy-1-(5-methyl-1,3,4-thiadiazol-2-yl)-1,5-dihydro-2H-pyrrol-2-one. 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 C21H17N3O5S?
C21H17N3O5S has a degree of unsaturation of 15. 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.