Molecular formula
C21H17ClN4O2S
64 compounds have this formula on CompoundList.
- Molar mass
- 424.90g/mol
- Monoisotopic mass
- 424.0761Da
- Atoms
- 46
- Elements
- 6
- Rings plus double bonds
- 15
The formula C21H17ClN4O2S describes a molecule made of 21 carbon atoms, 17 hydrogen atoms, 1 chlorine atom, 4 nitrogen atoms, 2 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 × 2159.36%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 174.03%1.008 × 17 = 17.136 g/mol
- Cl Chlorine × 18.34%35.45 × 1 = 35.450 g/mol
- N Nitrogen × 413.19%14.007 × 4 = 56.028 g/mol
- O Oxygen × 27.53%15.999 × 2 = 31.998 g/mol
- S Sulfur × 17.55%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C21H17ClN4O2S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 64 of 64 compounds
![2-(4-(3-Chlorophenyl)piperazine-1-carbonyl)-4H-pyrido[1,2-a]thieno[2,3-d]pyrimidin-4-one chemical structure, C21H17ClN4O2S, CAS 690250-99-8](/s/YIFJYTZYFKNDAS-UHFFFAOYSA-N.svg)
2-(4-(3-Chlorophenyl)piperazine-1-carbonyl)-4H-pyrido[1,2-a]thieno[2,3-d]pyrimidin-4-one
CAS 690250-99-8C21H17ClN4O2S
1-(4-Chlorophenyl)-2-((4-methyl-5-((quinolin-8-yloxy)methyl)-4H-1,2,4-triazol-3-yl)thio)ethanone
CAS 500267-59-4C21H17ClN4O2S
![5-{4-[(4-Chlorophenyl)amino]phthalazin-1-yl}-2-methylbenzenesulfonamide chemical structure, C21H17ClN4O2S, CAS 361185-75-3](/s/XYLPTBOZIPMDEF-UHFFFAOYSA-N.svg)
5-{4-[(4-Chlorophenyl)amino]phthalazin-1-yl}-2-methylbenzenesulfonamide
CAS 361185-75-3C21H17ClN4O2S
(E)-2-(2-Chlorostyryl)-5-(4-(thiophene-2-carbonyl)piperazin-1-yl)oxazole-4-carbonitrile
CAS 941008-57-7C21H17ClN4O2S
![N-[4-(4-Chlorophenyl)-5-methyl-1,3-thiazol-2-yl]-3-(4-oxoquinazolin-3-yl)propanamide chemical structure, C21H17ClN4O2S, CAS 723738-15-6](/s/IFNZAVDBSPAZNQ-UHFFFAOYSA-N.svg)
N-[4-(4-Chlorophenyl)-5-methyl-1,3-thiazol-2-yl]-3-(4-oxoquinazolin-3-yl)propanamide
CAS 723738-15-6C21H17ClN4O2S
2-Chloro-N-(1-(4-(3-methoxyphenyl)thiazol-2-yl)-3-methyl-1H-pyrazol-5-yl)benzamide
CAS 1019095-15-8C21H17ClN4O2S
![N-(2-Chlorophenyl)-2-{[2-(2-methoxyphenyl)pyrazolo[1,5-a]pyrazin-4-yl]sulfanyl}acetamide chemical structure, C21H17ClN4O2S, CAS 1040674-82-5](/s/LTALAPGGBLYEEF-UHFFFAOYSA-N.svg)
N-(2-Chlorophenyl)-2-{[2-(2-methoxyphenyl)pyrazolo[1,5-a]pyrazin-4-yl]sulfanyl}acetamide
CAS 1040674-82-5C21H17ClN4O2S
![N-(4-Chlorophenyl)-2-{[2-(2-methoxyphenyl)pyrazolo[1,5-a]pyrazin-4-yl]sulfanyl}acetamide chemical structure, C21H17ClN4O2S, CAS 1040674-96-1](/s/KWIALXVTLYFCFW-UHFFFAOYSA-N.svg)
N-(4-Chlorophenyl)-2-{[2-(2-methoxyphenyl)pyrazolo[1,5-a]pyrazin-4-yl]sulfanyl}acetamide
CAS 1040674-96-1C21H17ClN4O2S
![N-(3-Chlorophenyl)-2-{[2-(4-methoxyphenyl)pyrazolo[1,5-a]pyrazin-4-yl]sulfanyl}acetamide chemical structure, C21H17ClN4O2S, CAS 1021255-28-6](/s/KFXIFWWYVOECAZ-UHFFFAOYSA-N.svg)
N-(3-Chlorophenyl)-2-{[2-(4-methoxyphenyl)pyrazolo[1,5-a]pyrazin-4-yl]sulfanyl}acetamide
CAS 1021255-28-6C21H17ClN4O2S
![N-(3-Chloro-4-methylphenyl)-2-(2-methyl-4-oxo-7-phenylthiazolo[4,5-d]pyridazin-5(4H)-yl)acetamide chemical structure, C21H17ClN4O2S, CAS 941942-56-9](/s/WXRWGLCQTWZJIC-UHFFFAOYSA-N.svg)
N-(3-Chloro-4-methylphenyl)-2-(2-methyl-4-oxo-7-phenylthiazolo[4,5-d]pyridazin-5(4H)-yl)acetamide
CAS 941942-56-9C21H17ClN4O2S
![N-[3-(2-Chloroanilino)quinoxalin-2-yl]-4-methylbenzenesulfonamide chemical structure, C21H17ClN4O2S, CAS 303789-37-9](/s/RZPFLAKJDOOOQO-UHFFFAOYSA-N.svg)
N-[3-(2-Chloroanilino)quinoxalin-2-yl]-4-methylbenzenesulfonamide
CAS 303789-37-9C21H17ClN4O2S
![N-[3-(3-Chloroanilino)quinoxalin-2-yl]-4-methylbenzenesulfonamide chemical structure, C21H17ClN4O2S, CAS 371199-18-7](/s/IGAZCRMVNQSTBT-UHFFFAOYSA-N.svg)
N-[3-(3-Chloroanilino)quinoxalin-2-yl]-4-methylbenzenesulfonamide
CAS 371199-18-7C21H17ClN4O2S
(E)-5-(4-(4-Chlorobenzoyl)piperazin-1-yl)-2-(2-(thiophen-2-yl)vinyl)oxazole-4-carbonitrile
CAS 940993-46-4C21H17ClN4O2S
![5-[4-(2-Chlorobenzoyl)piperazin-1-yl]-2-[(E)-2-(thiophen-2-yl)ethenyl]-1,3-oxazole-4-carbonitrile chemical structure, C21H17ClN4O2S, CAS 940993-52-2](/s/ZYMRJYOYTITFSY-BQYQJAHWSA-N.svg)
5-[4-(2-Chlorobenzoyl)piperazin-1-yl]-2-[(E)-2-(thiophen-2-yl)ethenyl]-1,3-oxazole-4-carbonitrile
CAS 940993-52-2C21H17ClN4O2S
(E)-5-(4-(3-Chlorobenzoyl)piperazin-1-yl)-2-(2-(thiophen-2-yl)vinyl)oxazole-4-carbonitrile
CAS 940993-58-8C21H17ClN4O2S
(E)-2-(4-Chlorostyryl)-5-(4-(thiophene-2-carbonyl)piperazin-1-yl)oxazole-4-carbonitrile
CAS 941257-55-2C21H17ClN4O2S
![2-{[4-(2-Chlorophenyl)piperazino]carbonyl}-4H-pyrido[1,2-A]thieno[2,3-D]pyrimidin-4-one chemical structure, C21H17ClN4O2S, CAS 690250-66-9](/s/NWPKYIRYPBGSPF-UHFFFAOYSA-N.svg)
2-{[4-(2-Chlorophenyl)piperazino]carbonyl}-4H-pyrido[1,2-A]thieno[2,3-D]pyrimidin-4-one
CAS 690250-66-9C21H17ClN4O2S
![N-(3-Chlorophenyl)-2-[[5-(2-methylfuran-3-yl)-4-phenyl-1,2,4-triazol-3-yl]sulfanyl]acetamide chemical structure, C21H17ClN4O2S, CAS 693832-86-9](/s/DARPTHAPMGWHFI-UHFFFAOYSA-N.svg)
N-(3-Chlorophenyl)-2-[[5-(2-methylfuran-3-yl)-4-phenyl-1,2,4-triazol-3-yl]sulfanyl]acetamide
CAS 693832-86-9C21H17ClN4O2S
![2-[2-(4-Chlorophenyl)-4-oxopyrazolo[1,5-a]pyrazin-5(4H)-yl]-N-[3-(methylsulfanyl)phenyl]acetamide chemical structure, C21H17ClN4O2S, CAS 941939-09-9](/s/VYBMLRNOGVBREP-UHFFFAOYSA-N.svg)
2-[2-(4-Chlorophenyl)-4-oxopyrazolo[1,5-a]pyrazin-5(4H)-yl]-N-[3-(methylsulfanyl)phenyl]acetamide
CAS 941939-09-9C21H17ClN4O2S
![N-(2-Chlorophenyl)-2-({3-methyl-4-oxo-7-phenyl-3H,4H,5H-pyrrolo[3,2-d]pyrimidin-2-yl}sulfanyl)acetamide chemical structure, C21H17ClN4O2S, CAS 1040637-52-2](/s/QYJCXXOPTWMFNX-UHFFFAOYSA-N.svg)
N-(2-Chlorophenyl)-2-({3-methyl-4-oxo-7-phenyl-3H,4H,5H-pyrrolo[3,2-d]pyrimidin-2-yl}sulfanyl)acetamide
CAS 1040637-52-2C21H17ClN4O2S
![2-((3-(1H-Benzo[d]imidazol-2-yl)pyridin-2-yl)thio)-N-(5-chloro-2-methoxyphenyl)acetamide chemical structure, C21H17ClN4O2S, CAS 1207030-94-1](/s/AGNYEDQDYCSOSX-UHFFFAOYSA-N.svg)
2-((3-(1H-Benzo[d]imidazol-2-yl)pyridin-2-yl)thio)-N-(5-chloro-2-methoxyphenyl)acetamide
CAS 1207030-94-1C21H17ClN4O2S
![N-(5-Chloro-2-methylphenyl)-2-[[5-(furan-2-yl)-4-phenyl-1,2,4-triazol-3-yl]sulfanyl]acetamide chemical structure, C21H17ClN4O2S, CAS 329922-21-6](/s/LELOQGLIZSQUBV-UHFFFAOYSA-N.svg)
N-(5-Chloro-2-methylphenyl)-2-[[5-(furan-2-yl)-4-phenyl-1,2,4-triazol-3-yl]sulfanyl]acetamide
CAS 329922-21-6C21H17ClN4O2S
![N-[2-(4-Chlorophenyl)ethyl]-4-[(4-oxothieno[3,2-d]triazin-3-yl)methyl]benzamide chemical structure, C21H17ClN4O2S, CAS 443671-55-4](/s/KZNZHJPDCNIULW-UHFFFAOYSA-N.svg)
N-[2-(4-Chlorophenyl)ethyl]-4-[(4-oxothieno[3,2-d]triazin-3-yl)methyl]benzamide
CAS 443671-55-4C21H17ClN4O2S
![Ethyl 2-[(3-chlorobenzyl)sulfanyl]-7-phenyl[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate chemical structure, C21H17ClN4O2S, CAS 907971-99-7](/s/FXFOOMFHRXNGIS-UHFFFAOYSA-N.svg)
Ethyl 2-[(3-chlorobenzyl)sulfanyl]-7-phenyl[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate
CAS 907971-99-7C21H17ClN4O2S
- Ethyl 2-[(4-chlorobenzyl)sulfanyl]-7-phenyl[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate921068-82-8C21H17ClN4O2S
- N-(2-Chloro-5-(2-methyl-4-oxoquinazolin-3(4H)-yl)phenyl)-2,4-dimethylthiazole-5-carboxamide899969-33-6C21H17ClN4O2S
- N-(5-Chloro-2-methoxyphenyl)-2-((2-phenylimidazo[1,2-b]pyridazin-6-yl)thio)acetamide896283-32-2C21H17ClN4O2S
- N-(3-Chlorophenyl)-2-({3-methyl-4-oxo-7-phenyl-3H,4H,5H-pyrrolo[3,2-d]pyrimidin-2-yl}sulfanyl)acetamide1040637-59-9C21H17ClN4O2S
- N-(3-Chlorophenyl)-2-{[2-(2-methoxyphenyl)pyrazolo[1,5-a]pyrazin-4-yl]sulfanyl}acetamide1040674-89-2C21H17ClN4O2S
- N-(2-Chlorophenyl)-2-{[2-(4-methoxyphenyl)pyrazolo[1,5-a]pyrazin-4-yl]sulfanyl}acetamide1021228-40-9C21H17ClN4O2S
- N-(5-Chloro-2-methoxyphenyl)-2-[(2-phenylpyrazolo[1,5-a]pyrazin-4-yl)thio]acetamide1021216-32-9C21H17ClN4O2S
- 2-{[2-(4-Chlorophenyl)pyrazolo[1,5-a]pyrazin-4-yl]sulfanyl}-N-(2-methoxyphenyl)acetamide1021219-97-5C21H17ClN4O2S
- N-[(2-Chlorophenyl)methyl]-2-[3-(4-methylphenyl)-7-oxo-6H,7H-[1,2]thiazolo[4,5-d]pyrimidin-6-yl]acetamide1113120-40-3C21H17ClN4O2S
- N-[3-(4-Chloroanilino)quinoxalin-2-yl]-4-methylbenzenesulfonamide301357-55-1C21H17ClN4O2S
- Ethyl 2-[(2-chlorobenzyl)sulfanyl]-7-phenyl[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate920470-50-4C21H17ClN4O2S
- N-(3-Chlorophenyl)-2-((2-(4-methoxyphenyl)imidazo[1,2-b]pyridazin-6-yl)thio)acetamide896371-94-1C21H17ClN4O2S
- N-(4-Chlorophenyl)-2-{[4-oxo-3-(prop-2-en-1-yl)-3H,4H,5H-pyrimido[5,4-b]indol-2-yl]sulfanyl}acetamide887217-98-3C21H17ClN4O2S
- N-(4-Chlorophenyl)-2-({3-methyl-4-oxo-7-phenyl-3H,4H,5H-pyrrolo[3,2-d]pyrimidin-2-yl}sulfanyl)acetamide1040637-66-8C21H17ClN4O2S
- 4-(3-(6-(4-Chlorophenyl)imidazo[2,1-b]thiazol-3-yl)propanamido)benzamide1040647-54-8C21H17ClN4O2S
- 2-{[2-(4-Chlorophenyl)pyrazolo[1,5-a]pyrazin-4-yl]sulfanyl}-N-(4-methoxyphenyl)acetamide1021211-26-6C21H17ClN4O2S
- N-(4-Chlorophenyl)-2-{[2-(4-methoxyphenyl)pyrazolo[1,5-a]pyrazin-4-yl]sulfanyl}acetamide1021228-44-3C21H17ClN4O2S
- N-(3-Chloro-4-methoxyphenyl)-2-[(2-phenylpyrazolo[1,5-a]pyrazin-4-yl)thio]acetamide1021216-26-1C21H17ClN4O2S
- 2-{[2-(4-Chlorophenyl)pyrazolo[1,5-a]pyrazin-4-yl]sulfanyl}-N-(3-methoxyphenyl)acetamide1021257-71-5C21H17ClN4O2S
- 2-[(4-Chlorophenoxy)methyl]-4-methyl-N-(1-phenyl-1H-pyrazol-3-yl)-1,3-thiazole-5-carboxamide1171993-62-6C21H17ClN4O2S
- 3-(3-Chlorophenyl)-6-({[3-(4-ethoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl}sulfanyl)pyridazine1114945-21-9C21H17ClN4O2S
- N-(6-Chlorobenzo[d]thiazol-2-yl)-4-(6-oxo-4-phenylpyrimidin-1(6H)-yl)butanamide1226439-94-6C21H17ClN4O2S
- N-(4-{3-[4-(4-Chlorophenyl)-1,3-thiazol-2-yl]-4-hydroxy-2-imino-2,5-dihydro-1H-pyrrol-1-yl}phenyl)acetamide929843-81-2C21H17ClN4O2S
- N-(2-Chlorobenzyl)-2-(2-methyl-4-oxo-7-phenylthiazolo[4,5-d]pyridazin-5(4H)-yl)acetamide941897-41-2C21H17ClN4O2S
- N-(3-Chlorophenyl)-2-(2-methyl-4-oxo-7-(p-tolyl)thiazolo[4,5-d]pyridazin-5(4H)-yl)acetamide941942-70-7C21H17ClN4O2S
- N-(4-Chlorophenyl)-2-[2-methyl-7-(4-methylphenyl)-4-oxo-4H,5H-[1,3]thiazolo[4,5-d]pyridazin-5-yl]acetamide941986-68-1C21H17ClN4O2S
- 2-(4-Chlorophenoxy)-N-(3-methyl-1-(4-phenylthiazol-2-yl)-1H-pyrazol-5-yl)acetamide1020488-86-1C21H17ClN4O2S
- N-(1-(4-(4-Chlorophenyl)thiazol-2-yl)-3-methyl-1H-pyrazol-5-yl)-2-phenoxyacetamide1020489-65-9C21H17ClN4O2S
- 2-((3-Allyl-4-oxo-4,5-dihydro-3H-pyrimido[5,4-b]indol-2-yl)thio)-N-(3-chlorophenyl)acetamide888452-49-1C21H17ClN4O2S
- N-{2-[(3-Chlorobenzyl)amino]-2-oxoethyl}-2-(1H-pyrrol-1-yl)-1,3-benzothiazole-6-carboxamide1010900-38-5C21H17ClN4O2S
- N-{2-[(2-Chlorobenzyl)amino]-2-oxoethyl}-2-(1H-pyrrol-1-yl)-1,3-benzothiazole-6-carboxamide1010872-38-4C21H17ClN4O2S
- 2-((1-(3-Chlorophenyl)-5-phenyl-1H-imidazol-2-yl)thio)-N-(5-methylisoxazol-3-yl)acetamide1207036-09-6C21H17ClN4O2S
- 2-((1-(4-Chlorophenyl)-5-phenyl-1H-imidazol-2-yl)thio)-N-(5-methylisoxazol-3-yl)acetamide1226429-41-9C21H17ClN4O2S
- 3-(2-Chlorophenyl)-5-(((6-(4-ethoxyphenyl)pyridazin-3-yl)thio)methyl)-1,2,4-oxadiazole1111290-66-4C21H17ClN4O2S
- 3-[(2-Chloro-6-nitrophenyl)methylsulfanyl]-4-methyl-5-(naphthalen-1-ylmethyl)-1,2,4-triazole693255-23-1C21H17ClN4O2S
- (2Z)-6-(2-Chlorobenzyl)-2-[4-(dimethylamino)benzylidene]-7H-[1,3]thiazolo[3,2-b][1,2,4]triazine-3,7(2H)-dione638134-52-8C21H17ClN4O2S
- 2((1-(4-CL-Benzyl)-1H-benzimidazol-2-yl)thio)N'-(2-furylmethylene)acetohydrazide306752-29-4C21H17ClN4O2S
- 1-[7-Acetyl-3-benzyl-6-(4-chlorophenyl)-5H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazin-5-yl]ethan-1-one906151-94-8C21H17ClN4O2S
- 3-[(4-Chlorophenyl)methyl]-2-{[(3-methoxyphenyl)methyl]sulfanyl}-3,4-dihydropteridin-4-one902857-39-0C21H17ClN4O2S
- 4-(Benzenesulfonyl)-N-(5-benzyl-1H-pyrazol-3-yl)-6-chloropyridin-2-amine1853338-82-5C21H17ClN4O2S
Frequently asked questions
What is the molar mass of C21H17ClN4O2S?
The molar mass of C21H17ClN4O2S is 424.90 g/mol, calculated from standard atomic weights for 21 carbon atoms, 17 hydrogen atoms, 1 chlorine atom, 4 nitrogen atoms, 2 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 424.0761 Da.
How many compounds have the formula C21H17ClN4O2S?
CompoundList lists 64 compounds with the molecular formula C21H17ClN4O2S, including 2-(4-(3-Chlorophenyl)piperazine-1-carbonyl)-4H-pyrido[1,2-a]thieno[2,3-d]pyrimidin-4-one, 1-(4-Chlorophenyl)-2-((4-methyl-5-((quinolin-8-yloxy)methyl)-4H-1,2,4-triazol-3-yl)thio)ethanone, 5-{4-[(4-Chlorophenyl)amino]phthalazin-1-yl}-2-methylbenzenesulfonamide. 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 C21H17ClN4O2S?
C21H17ClN4O2S 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.