Molecular formula
C21H21ClN4O2S
56 compounds have this formula on CompoundList.
- Molar mass
- 428.94g/mol
- Monoisotopic mass
- 428.1074Da
- Atoms
- 50
- Elements
- 6
- Rings plus double bonds
- 13
The formula C21H21ClN4O2S describes a molecule made of 21 carbon atoms, 21 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 × 2158.80%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 214.94%1.008 × 21 = 21.168 g/mol
- Cl Chlorine × 18.26%35.45 × 1 = 35.450 g/mol
- N Nitrogen × 413.06%14.007 × 4 = 56.028 g/mol
- O Oxygen × 27.46%15.999 × 2 = 31.998 g/mol
- S Sulfur × 17.47%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C21H21ClN4O2S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 56 of 56 compounds
![3-[(4-Chlorophenyl)methyl]-7-(4-methylpiperazine-1-carbonyl)-2-sulfanylidene-1H-quinazolin-4-one chemical structure, C21H21ClN4O2S, CAS 422529-24-6](/s/KZCCOJSSVNZXEE-UHFFFAOYSA-N.svg)
3-[(4-Chlorophenyl)methyl]-7-(4-methylpiperazine-1-carbonyl)-2-sulfanylidene-1H-quinazolin-4-one
CAS 422529-24-6C21H21ClN4O2S
![4-({[5-Benzyl-4-(4-chlorophenyl)-4H-1,2,4-triazol-3-yl]thio}acetyl)morpholine chemical structure, C21H21ClN4O2S, CAS 663213-36-3](/s/MNOCWGXIMBSSCF-UHFFFAOYSA-N.svg)
4-({[5-Benzyl-4-(4-chlorophenyl)-4H-1,2,4-triazol-3-yl]thio}acetyl)morpholine
CAS 663213-36-3C21H21ClN4O2S
3-(4-((3-Chlorophenyl)sulfonyl)piperazin-1-yl)-6-(o-tolyl)pyridazine
CAS 1021219-05-5C21H21ClN4O2S
3-(4-((4-Chlorophenyl)sulfonyl)piperazin-1-yl)-6-(p-tolyl)pyridazine
CAS 1021070-56-3C21H21ClN4O2S
N-(4-Chlorophenethyl)-4-methyl-2-(3-(p-tolyl)ureido)thiazole-5-carboxamide
CAS 941975-21-9C21H21ClN4O2S
![2-{[5-(4-Chlorophenyl)-1,3,4-oxadiazol-2-yl]sulfanyl}-N-{4-[(pyrrolidin-1-yl)methyl]phenyl}acetamide chemical structure, C21H21ClN4O2S, CAS 876940-71-5](/s/OEWCMESTERGYGP-UHFFFAOYSA-N.svg)
2-{[5-(4-Chlorophenyl)-1,3,4-oxadiazol-2-yl]sulfanyl}-N-{4-[(pyrrolidin-1-yl)methyl]phenyl}acetamide
CAS 876940-71-5C21H21ClN4O2S
Hydroxy ziprasidone
CAS 884305-08-2C21H21ClN4O2S
Ziprasidone sulfoxide
CAS 188797-80-0C21H21ClN4O2S
ET-JQ1-OH
CAS 2421153-77-5C21H21ClN4O2S
![2-[[5-(4-Chlorophenyl)-4-(4-methoxyphenyl)-1,2,4-triazol-3-yl]sulfanyl]-1-pyrrolidin-1-ylethanone chemical structure, C21H21ClN4O2S, CAS 485328-89-0](/s/MNNIFRVOUZFNBD-UHFFFAOYSA-N.svg)
2-[[5-(4-Chlorophenyl)-4-(4-methoxyphenyl)-1,2,4-triazol-3-yl]sulfanyl]-1-pyrrolidin-1-ylethanone
CAS 485328-89-0C21H21ClN4O2S
![2-{[5-(4-Chlorophenyl)-4-(prop-2-en-1-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}-N-(2-methoxy-5-methylphenyl)acetamide chemical structure, C21H21ClN4O2S, CAS 701221-43-4](/s/JDGMUKKANWYPCN-UHFFFAOYSA-N.svg)
2-{[5-(4-Chlorophenyl)-4-(prop-2-en-1-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}-N-(2-methoxy-5-methylphenyl)acetamide
CAS 701221-43-4C21H21ClN4O2S
![2-Chloro-N-{3-[6-(piperidin-1-yl)pyridazin-3-yl]phenyl}benzene-1-sulfonamide chemical structure, C21H21ClN4O2S, CAS 904831-60-3](/s/MXWXSZIIVMAZOA-UHFFFAOYSA-N.svg)
2-Chloro-N-{3-[6-(piperidin-1-yl)pyridazin-3-yl]phenyl}benzene-1-sulfonamide
CAS 904831-60-3C21H21ClN4O2S
![2-[(6-{[(4-Chlorophenyl)methyl]amino}pyrimidin-4-yl)sulfanyl]-N-(2-methoxy-5-methylphenyl)acetamide chemical structure, C21H21ClN4O2S, CAS 1251619-92-7](/s/LACHBRJPIRYXAI-UHFFFAOYSA-N.svg)
2-[(6-{[(4-Chlorophenyl)methyl]amino}pyrimidin-4-yl)sulfanyl]-N-(2-methoxy-5-methylphenyl)acetamide
CAS 1251619-92-7C21H21ClN4O2S
![2-(3-Chlorophenyl)-N-(3-(methylthio)phenyl)-3-oxo-1,4,8-triazaspiro[4.5]dec-1-ene-8-carboxamide chemical structure, C21H21ClN4O2S, CAS 1185052-25-8](/s/VWYFYJDYSHTSDN-UHFFFAOYSA-N.svg)
2-(3-Chlorophenyl)-N-(3-(methylthio)phenyl)-3-oxo-1,4,8-triazaspiro[4.5]dec-1-ene-8-carboxamide
CAS 1185052-25-8C21H21ClN4O2S
![2-({5-[(4-Chlorophenoxy)methyl]-4-(prop-2-en-1-yl)-4H-1,2,4-triazol-3-yl}sulfanyl)-N-(4-methylphenyl)acetamide chemical structure, C21H21ClN4O2S, CAS 897520-20-6](/s/RPQMKCJUTYKZHG-UHFFFAOYSA-N.svg)
2-({5-[(4-Chlorophenoxy)methyl]-4-(prop-2-en-1-yl)-4H-1,2,4-triazol-3-yl}sulfanyl)-N-(4-methylphenyl)acetamide
CAS 897520-20-6C21H21ClN4O2S
![3-(4-Chlorobenzenesulfonyl)-1-(3-methylbutyl)-1H-pyrrolo[2,3-b]quinoxalin-2-amine chemical structure, C21H21ClN4O2S, CAS 797765-66-3](/s/UHTHIKKBSFBNJX-UHFFFAOYSA-N.svg)
3-(4-Chlorobenzenesulfonyl)-1-(3-methylbutyl)-1H-pyrrolo[2,3-b]quinoxalin-2-amine
CAS 797765-66-3C21H21ClN4O2S
![3-[(3-Chlorophenyl)sulfonyl]-1-(3-methylbutyl)-1H-pyrrolo[2,3-b]quinoxalin-2-amine chemical structure, C21H21ClN4O2S, CAS 848205-21-0](/s/SFQZGXFUTPYKHJ-UHFFFAOYSA-N.svg)
3-[(3-Chlorophenyl)sulfonyl]-1-(3-methylbutyl)-1H-pyrrolo[2,3-b]quinoxalin-2-amine
CAS 848205-21-0C21H21ClN4O2S
![N-(3-Chloro-2-methylphenyl)-2-[[5-[hydroxy(phenyl)methyl]-4-prop-2-enyl-1,2,4-triazol-3-yl]sulfanyl]acetamide chemical structure, C21H21ClN4O2S, CAS 709009-84-7](/s/IMMPYGIFOUGJMF-UHFFFAOYSA-N.svg)
N-(3-Chloro-2-methylphenyl)-2-[[5-[hydroxy(phenyl)methyl]-4-prop-2-enyl-1,2,4-triazol-3-yl]sulfanyl]acetamide
CAS 709009-84-7C21H21ClN4O2S
![N-(3-Chloro-2-methylphenyl)-2-{[5-(phenoxymethyl)-4-(prop-2-en-1-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide chemical structure, C21H21ClN4O2S, CAS 861649-77-6](/s/XGKPFYICUDRNAC-UHFFFAOYSA-N.svg)
N-(3-Chloro-2-methylphenyl)-2-{[5-(phenoxymethyl)-4-(prop-2-en-1-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide
CAS 861649-77-6C21H21ClN4O2S
![3-[(2-Chlorophenyl)methyl]-7-(4-methylpiperazine-1-carbonyl)-2-sulfanylidene-1H-quinazolin-4-one chemical structure, C21H21ClN4O2S, CAS 422273-33-4](/s/BSCMITHSVJKZGM-UHFFFAOYSA-N.svg)
3-[(2-Chlorophenyl)methyl]-7-(4-methylpiperazine-1-carbonyl)-2-sulfanylidene-1H-quinazolin-4-one
CAS 422273-33-4C21H21ClN4O2S
![N-(3-Chloro-2-methylphenyl)-2-{[5-(4-methoxyphenyl)-4-(prop-2-en-1-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide chemical structure, C21H21ClN4O2S, CAS 861116-83-8](/s/MNQILIPCJJNGHH-UHFFFAOYSA-N.svg)
N-(3-Chloro-2-methylphenyl)-2-{[5-(4-methoxyphenyl)-4-(prop-2-en-1-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide
CAS 861116-83-8C21H21ClN4O2S
![3-(4-(3-Chlorophenyl)piperazine-1-carbonyl)-6,7,8,9-tetrahydro-4H-benzo[4,5]thiazolo[3,2-a]pyrimidin-4-one chemical structure, C21H21ClN4O2S, CAS 942859-52-1](/s/WEKDHUFBRRUABT-UHFFFAOYSA-N.svg)
3-(4-(3-Chlorophenyl)piperazine-1-carbonyl)-6,7,8,9-tetrahydro-4H-benzo[4,5]thiazolo[3,2-a]pyrimidin-4-one
CAS 942859-52-1C21H21ClN4O2S
![3-(2-{[(3-Chlorophenyl)carbamoyl]amino}-1,3-thiazol-4-yl)-N-(2-phenylethyl)propanamide chemical structure, C21H21ClN4O2S, CAS 1040667-50-2](/s/MNVPCURTXYTMFG-UHFFFAOYSA-N.svg)
3-(2-{[(3-Chlorophenyl)carbamoyl]amino}-1,3-thiazol-4-yl)-N-(2-phenylethyl)propanamide
CAS 1040667-50-2C21H21ClN4O2S
3-(2-(3-(3-Chlorophenyl)ureido)thiazol-4-yl)-N-(1-phenylethyl)propanamide
CAS 1040668-41-4C21H21ClN4O2S
- (4-((3-Chloro-4-methoxyphenyl)amino)-7-methyl-1,8-naphthyridin-3-yl)(thiomorpholino)methanone1251599-49-1C21H21ClN4O2S
- N-(3-Chloro-4-methylphenyl)-2-[1-oxo-4-(thiomorpholin-4-yl)-1,2-dihydrophthalazin-2-yl]acetamide1251588-55-2C21H21ClN4O2S
- 4-(3-(4-Chlorophenyl)-6-oxopyridazin-1(6H)-yl)-N-(4,5,6,7-tetrahydrobenzo[d]thiazol-2-yl)butanamide1226427-59-3C21H21ClN4O2S
- (4-Amino-3-(4-methoxyphenyl)isothiazol-5-yl)(4-(3-chlorophenyl)piperazin-1-yl)methanone1286724-32-0C21H21ClN4O2S
- 4-(4-Chlorophenyl)-4-oxo-N-(1-(thiazolo[5,4-b]pyridin-2-yl)piperidin-4-yl)butanamide2034242-88-9C21H21ClN4O2S
- 5-((2-Chlorophenyl)(3-methylpiperidin-1-yl)methyl)-2-(furan-2-yl)thiazolo[3,2-b][1,2,4]triazol-6-ol887219-90-1C21H21ClN4O2S
- 5-((2-Chlorophenyl)(4-methylpiperidin-1-yl)methyl)-2-(furan-2-yl)thiazolo[3,2-b][1,2,4]triazol-6-ol887219-92-3C21H21ClN4O2S
- 5-[(3-Chlorophenyl)(4-methylpiperidin-1-yl)methyl]-2-(furan-2-yl)-[1,2,4]triazolo[3,2-b][1,3]thiazol-6-ol887220-36-2C21H21ClN4O2S
- 5-((4-Chlorophenyl)(3-methylpiperidin-1-yl)methyl)-2-(furan-2-yl)thiazolo[3,2-b][1,2,4]triazol-6-ol887220-52-2C21H21ClN4O2S
- 5-((4-Chlorophenyl)(4-methylpiperidin-1-yl)methyl)-2-(furan-2-yl)thiazolo[3,2-b][1,2,4]triazol-6-ol887220-53-3C21H21ClN4O2S
- N-(Benzo[d]thiazol-2-yl)-4-cyano-N-(2-morpholinoethyl)benzamide hydrochloride1217018-49-9C21H21ClN4O2S
- N-(4-Chlorophenethyl)-4-methyl-2-(3-(m-tolyl)ureido)thiazole-5-carboxamide941886-37-9C21H21ClN4O2S
- 2-(3-(4-Chlorophenyl)ureido)-4-methyl-N-(3-phenylpropyl)thiazole-5-carboxamide941886-83-5C21H21ClN4O2S
- N-(4-Chlorophenethyl)-2-(2-(3-(p-tolyl)ureido)thiazol-4-yl)acetamide1005299-68-2C21H21ClN4O2S
- N-(4-Chlorophenethyl)-2-(2-(3-(m-tolyl)ureido)thiazol-4-yl)acetamide921473-76-9C21H21ClN4O2S
- 2-(2-(3-(3-Chlorophenyl)ureido)thiazol-4-yl)-N-mesitylacetamide921485-83-8C21H21ClN4O2S
- 3-(4-((2-Chlorophenyl)sulfonyl)piperazin-1-yl)-6-(o-tolyl)pyridazine1021257-72-6C21H21ClN4O2S
- 2-(2-{[(3-Chlorophenyl)carbamoyl]amino}-1,3-thiazol-4-yl)-N-[4-(propan-2-yl)phenyl]acetamide946250-95-9C21H21ClN4O2S
- 4-Chloro-N-{4-[6-(piperidin-1-yl)pyridazin-3-yl]phenyl}benzene-1-sulfonamide946288-10-4C21H21ClN4O2S
- 3-Chloro-N-{4-[6-(piperidin-1-yl)pyridazin-3-yl]phenyl}benzene-1-sulfonamide946288-18-2C21H21ClN4O2S
- 2-Chloro-N-{4-[6-(piperidin-1-yl)pyridazin-3-yl]phenyl}benzene-1-sulfonamide946318-72-5C21H21ClN4O2S
- 3-(4-(5-Chloro-2-methylphenyl)piperazin-1-yl)-6-(phenylsulfonyl)pyridazine1040659-95-7C21H21ClN4O2S
- (4-Amino-3-(4-methoxyphenyl)isothiazol-5-yl)(4-(4-chlorophenyl)piperazin-1-yl)methanone1286702-40-6C21H21ClN4O2S
- 2-[5-[(4-Chlorophenyl)methylsulfanyl]-4-prop-2-enyl-1,2,4-triazol-3-yl]-N-(3-methoxyphenyl)acetamide708283-59-4C21H21ClN4O2S
- 1-(6-Chloropyridine-3-carbonyl)-4-{[2-(4-methoxyphenyl)-1,3-thiazol-4-yl]methyl}piperazine930567-35-4C21H21ClN4O2S
- Ziprasidone N-oxide188797-76-4C21H21ClN4O2S
- Methanesulfonamide, N-(4-(9-acridinylamino)-3-(methylamino)phenyl)-, monohydrochloride88412-53-7C21H21ClN4O2S
- N-(4-Chloro-3-{5H,6H,7H,8H,9H-[1,2,4]triazolo[4,3-a]azepin-3-yl}phenyl)-2-phenylethene-1-sulfonamide1030221-88-5C21H21ClN4O2S
- N-{6,6-Dimethyl-7-oxo-3-phenyl-5H,6H,7H-[1,3]thiazolo[3,2-b][1,2,4]triazin-2-yl}-4-methylbenzamide hydrochloride1179501-55-3C21H21ClN4O2S
- 3-(Naphthalen-1-ylsulfonyl)-5-(piperazin-1-yl)-1H-indazolehydrochloride1253422-07-9C21H21ClN4O2S
- 4-(Benzenesulfonyl)-6-chloro-N-[5-(dicyclopropylmethyl)-1H-pyrazol-3-yl]pyridin-2-amine1853338-76-7C21H21ClN4O2S
- 2-(2-{[(3-Chlorophenyl)methyl]sulfanyl}-6-oxo-1,6-dihydropyrimidin-4-yl)-N-[4-(dimethylamino)phenyl]acetamide1171350-80-3C21H21ClN4O2S
Frequently asked questions
What is the molar mass of C21H21ClN4O2S?
The molar mass of C21H21ClN4O2S is 428.94 g/mol, calculated from standard atomic weights for 21 carbon atoms, 21 hydrogen atoms, 1 chlorine atom, 4 nitrogen atoms, 2 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 428.1074 Da.
How many compounds have the formula C21H21ClN4O2S?
CompoundList lists 56 compounds with the molecular formula C21H21ClN4O2S, including 3-[(4-Chlorophenyl)methyl]-7-(4-methylpiperazine-1-carbonyl)-2-sulfanylidene-1H-quinazolin-4-one, 4-({[5-Benzyl-4-(4-chlorophenyl)-4H-1,2,4-triazol-3-yl]thio}acetyl)morpholine, 3-(4-((3-Chlorophenyl)sulfonyl)piperazin-1-yl)-6-(o-tolyl)pyridazine. 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 C21H21ClN4O2S?
C21H21ClN4O2S has a degree of unsaturation of 13. 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.