Molecular formula
C21H16ClN3O2S
80 compounds have this formula on CompoundList.
- Molar mass
- 409.89g/mol
- Monoisotopic mass
- 409.0652Da
- Atoms
- 44
- Elements
- 6
- Rings plus double bonds
- 15
The formula C21H16ClN3O2S describes a molecule made of 21 carbon atoms, 16 hydrogen atoms, 1 chlorine atom, 3 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 × 2161.54%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 163.93%1.008 × 16 = 16.128 g/mol
- Cl Chlorine × 18.65%35.45 × 1 = 35.450 g/mol
- N Nitrogen × 310.25%14.007 × 3 = 42.021 g/mol
- O Oxygen × 27.81%15.999 × 2 = 31.998 g/mol
- S Sulfur × 17.82%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C21H16ClN3O2S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 80 of 80 compounds
![3-[5-[(4-Chlorophenyl)methylthio]-1,3,4-oxadiazol-2-yl]-1-(phenylmethyl)-2-pyridinone chemical structure, C21H16ClN3O2S, CAS 242472-24-8](/s/ZTSBHBIEADMSQQ-UHFFFAOYSA-N.svg)
3-[5-[(4-Chlorophenyl)methylthio]-1,3,4-oxadiazol-2-yl]-1-(phenylmethyl)-2-pyridinone
CAS 242472-24-8C21H16ClN3O2S
![2-(4-Chlorophenyl)sulfanyl-N-[2-methyl-3-([1,3]oxazolo[4,5-b]pyridin-2-yl)phenyl]acetamide chemical structure, C21H16ClN3O2S, CAS 835886-64-1](/s/ZVEPJOALYHPUHH-UHFFFAOYSA-N.svg)
2-(4-Chlorophenyl)sulfanyl-N-[2-methyl-3-([1,3]oxazolo[4,5-b]pyridin-2-yl)phenyl]acetamide
CAS 835886-64-1C21H16ClN3O2S
2-(2-(Anilinocarbothioyl)carbohydrazonoyl)phenyl 4-chlorobenzoate
CAS 765913-04-0C21H16ClN3O2S
![1-(4-Chlorobenzyl)-N-(6-methylbenzo[d]thiazol-2-yl)-2-oxo-1,2-dihydropyridine-3-carboxamide chemical structure, C21H16ClN3O2S, CAS 946302-79-0](/s/VDNLHSCVQZWKNB-UHFFFAOYSA-N.svg)
1-(4-Chlorobenzyl)-N-(6-methylbenzo[d]thiazol-2-yl)-2-oxo-1,2-dihydropyridine-3-carboxamide
CAS 946302-79-0C21H16ClN3O2S
![N-(2-Chloro-4-methylphenyl)-2-(4-oxo-7-phenylthieno[3,2-d]pyrimidin-3(4H)-yl)acetamide chemical structure, C21H16ClN3O2S, CAS 1105223-65-1](/s/QZRFNYWDSNEQQY-UHFFFAOYSA-N.svg)
N-(2-Chloro-4-methylphenyl)-2-(4-oxo-7-phenylthieno[3,2-d]pyrimidin-3(4H)-yl)acetamide
CAS 1105223-65-1C21H16ClN3O2S
![4-Chloro-N-(6-methoxybenzo[d]thiazol-2-yl)-N-(pyridin-3-ylmethyl)benzamide chemical structure, C21H16ClN3O2S, CAS 895009-66-2](/s/UKFCGNCCRXJRNP-UHFFFAOYSA-N.svg)
4-Chloro-N-(6-methoxybenzo[d]thiazol-2-yl)-N-(pyridin-3-ylmethyl)benzamide
CAS 895009-66-2C21H16ClN3O2S
![N-(6-Chlorobenzo[d]thiazol-2-yl)-2-phenoxy-N-(pyridin-3-ylmethyl)acetamide chemical structure, C21H16ClN3O2S, CAS 895024-28-9](/s/YZQUBBXYHPWSKN-UHFFFAOYSA-N.svg)
N-(6-Chlorobenzo[d]thiazol-2-yl)-2-phenoxy-N-(pyridin-3-ylmethyl)acetamide
CAS 895024-28-9C21H16ClN3O2S
2-(6-Chloro-2-oxo-4-phenylquinazolin-1-yl)-N-(thiophen-2-ylmethyl)acetamide
CAS 932321-32-9C21H16ClN3O2S
![N-(2-Chlorobenzyl)-2-(4-oxo-7-phenylthieno[3,2-d]pyrimidin-3(4H)-yl)acetamide chemical structure, C21H16ClN3O2S, CAS 1105235-17-3](/s/VREBAUTVVVOPLR-UHFFFAOYSA-N.svg)
N-(2-Chlorobenzyl)-2-(4-oxo-7-phenylthieno[3,2-d]pyrimidin-3(4H)-yl)acetamide
CAS 1105235-17-3C21H16ClN3O2S
![N-(3-Chloro-2-methylphenyl)-2-(4-oxo-7-phenylthieno[3,2-d]pyrimidin-3(4H)-yl)acetamide chemical structure, C21H16ClN3O2S, CAS 1105207-28-0](/s/NWAWQPCDHYRUBS-UHFFFAOYSA-N.svg)
N-(3-Chloro-2-methylphenyl)-2-(4-oxo-7-phenylthieno[3,2-d]pyrimidin-3(4H)-yl)acetamide
CAS 1105207-28-0C21H16ClN3O2S
![2-[7-(4-Chlorophenyl)-4-oxothieno[3,2-d]pyrimidin-3(4H)-yl]-N-methyl-N-phenylacetamide chemical structure, C21H16ClN3O2S, CAS 1105223-06-0](/s/MMIOGQFGMNZYKE-UHFFFAOYSA-N.svg)
2-[7-(4-Chlorophenyl)-4-oxothieno[3,2-d]pyrimidin-3(4H)-yl]-N-methyl-N-phenylacetamide
CAS 1105223-06-0C21H16ClN3O2S
6-Chloro-2-(6-methylpyridin-3-yl)-3-(4-(methylsulfonyl)phenyl)-1,8-naphthyridine
CAS 646459-41-8C21H16ClN3O2S
![2-(4-Chlorophenoxy)-N-(2-methyl-4-(thiazolo[5,4-b]pyridin-2-yl)phenyl)acetamide chemical structure, C21H16ClN3O2S, CAS 896678-53-8](/s/QMPMQXFLMLEFSB-UHFFFAOYSA-N.svg)
2-(4-Chlorophenoxy)-N-(2-methyl-4-(thiazolo[5,4-b]pyridin-2-yl)phenyl)acetamide
CAS 896678-53-8C21H16ClN3O2S
![N-(6-Chlorobenzo[d]thiazol-2-yl)-2-phenoxy-N-(pyridin-2-ylmethyl)acetamide chemical structure, C21H16ClN3O2S, CAS 900005-77-8](/s/XKZWYUPDDLUBEK-UHFFFAOYSA-N.svg)
N-(6-Chlorobenzo[d]thiazol-2-yl)-2-phenoxy-N-(pyridin-2-ylmethyl)acetamide
CAS 900005-77-8C21H16ClN3O2S
![N-(6-Chlorobenzo[d]thiazol-2-yl)-4-methoxy-N-(pyridin-2-ylmethyl)benzamide chemical structure, C21H16ClN3O2S, CAS 922593-01-9](/s/CGRLWKOWLIZFEV-UHFFFAOYSA-N.svg)
N-(6-Chlorobenzo[d]thiazol-2-yl)-4-methoxy-N-(pyridin-2-ylmethyl)benzamide
CAS 922593-01-9C21H16ClN3O2S
2-(((2-(3-Chlorophenyl)-5-methyloxazol-4-yl)methyl)thio)-6-phenylpyrimidin-4-ol
CAS 1040646-29-4C21H16ClN3O2S
![3-Amino-6-(4-chlorophenyl)-4-(4-methoxyphenyl)thieno[2,3-b]pyridine-2-carboxamide chemical structure, C21H16ClN3O2S, CAS 690642-56-9](/s/SKAWKEKLGVFRKT-UHFFFAOYSA-N.svg)
3-Amino-6-(4-chlorophenyl)-4-(4-methoxyphenyl)thieno[2,3-b]pyridine-2-carboxamide
CAS 690642-56-9C21H16ClN3O2S
![3-Chloro-N-(6-methoxybenzo[d]thiazol-2-yl)-N-(pyridin-3-ylmethyl)benzamide chemical structure, C21H16ClN3O2S, CAS 895009-77-5](/s/JYORZUCSVVBOMP-UHFFFAOYSA-N.svg)
3-Chloro-N-(6-methoxybenzo[d]thiazol-2-yl)-N-(pyridin-3-ylmethyl)benzamide
CAS 895009-77-5C21H16ClN3O2S
![4-Chloro-N-(5-methoxybenzo[d]thiazol-2-yl)-N-(pyridin-3-ylmethyl)benzamide chemical structure, C21H16ClN3O2S, CAS 895411-14-0](/s/GVSJFKJUKWUCFK-UHFFFAOYSA-N.svg)
4-Chloro-N-(5-methoxybenzo[d]thiazol-2-yl)-N-(pyridin-3-ylmethyl)benzamide
CAS 895411-14-0C21H16ClN3O2S
![N-(4-Chlorobenzo[d]thiazol-2-yl)-2-methoxy-N-(pyridin-3-ylmethyl)benzamide chemical structure, C21H16ClN3O2S, CAS 895017-02-4](/s/MGSLBYOBQWHHLG-UHFFFAOYSA-N.svg)
N-(4-Chlorobenzo[d]thiazol-2-yl)-2-methoxy-N-(pyridin-3-ylmethyl)benzamide
CAS 895017-02-4C21H16ClN3O2S
![2-Amino-4-(2-chlorophenyl)-7-methyl-5-oxo-6-(thiophen-2-ylmethyl)-5,6-dihydro-4H-pyrano[3,2-c]pyridine-3-carbonitrile chemical structure, C21H16ClN3O2S, CAS 638138-80-4](/s/OQSUSNQDBNBYTN-UHFFFAOYSA-N.svg)
2-Amino-4-(2-chlorophenyl)-7-methyl-5-oxo-6-(thiophen-2-ylmethyl)-5,6-dihydro-4H-pyrano[3,2-c]pyridine-3-carbonitrile
CAS 638138-80-4C21H16ClN3O2S
![2-Amino-4-(4-chlorophenyl)-7-methyl-5-oxo-6-(thiophen-2-ylmethyl)-5,6-dihydro-4H-pyrano[3,2-c]pyridine-3-carbonitrile chemical structure, C21H16ClN3O2S, CAS 638138-78-0](/s/QCYUQYIZRQESAR-UHFFFAOYSA-N.svg)
2-Amino-4-(4-chlorophenyl)-7-methyl-5-oxo-6-(thiophen-2-ylmethyl)-5,6-dihydro-4H-pyrano[3,2-c]pyridine-3-carbonitrile
CAS 638138-78-0C21H16ClN3O2S
![2-Amino-4-(3-chlorophenyl)-7-methyl-5-oxo-6-(thiophen-2-ylmethyl)-5,6-dihydro-4H-pyrano[3,2-c]pyridine-3-carbonitrile chemical structure, C21H16ClN3O2S, CAS 638138-86-0](/s/PJBXKGBAGLEURN-UHFFFAOYSA-N.svg)
2-Amino-4-(3-chlorophenyl)-7-methyl-5-oxo-6-(thiophen-2-ylmethyl)-5,6-dihydro-4H-pyrano[3,2-c]pyridine-3-carbonitrile
CAS 638138-86-0C21H16ClN3O2S
![N-(5-Chloro-2-methylphenyl)-2-(4-oxo-7-phenylthieno[3,2-d]pyrimidin-3(4H)-yl)acetamide chemical structure, C21H16ClN3O2S, CAS 1105235-01-5](/s/SVFZCLLCHLKQJC-UHFFFAOYSA-N.svg)
N-(5-Chloro-2-methylphenyl)-2-(4-oxo-7-phenylthieno[3,2-d]pyrimidin-3(4H)-yl)acetamide
CAS 1105235-01-5C21H16ClN3O2S
- N-(2-Chlorophenyl)-2-[7-(4-methylphenyl)-4-oxothieno[3,2-d]pyrimidin-3(4H)-yl]acetamide1207048-67-6C21H16ClN3O2S
- 3-Chloro-N-[5-(5,6,7,8-tetrahydronaphthalen-2-yl)-1,3,4-oxadiazol-2-yl]-1-benzothiophene-2-carboxamide862809-35-6C21H16ClN3O2S
- N-(3-Chlorophenyl)-2-[7-(4-methylphenyl)-4-oxothieno[3,2-d]pyrimidin-3(4H)-yl]acetamide1207013-30-6C21H16ClN3O2S
- N-Benzyl-2-[7-(4-chlorophenyl)-4-oxothieno[3,2-d]pyrimidin-3(4H)-yl]acetamide1105241-41-5C21H16ClN3O2S
- 2-[7-(4-Chlorophenyl)-4-oxothieno[3,2-d]pyrimidin-3(4H)-yl]-N-(4-methylphenyl)acetamide1105222-95-4C21H16ClN3O2S
- N-(4-Chlorophenyl)-2-[7-(4-methylphenyl)-4-oxothieno[3,2-d]pyrimidin-3(4H)-yl]acetamide1207048-75-6C21H16ClN3O2S
- (Z)-Ethyl 2-((2-(4-(4-chlorophenyl)thiazol-2-yl)-2-cyanovinyl)amino)benzoate477296-46-1C21H16ClN3O2S
- 3-(2-Chlorophenyl)-5-methyl-N-[4-(4-methylphenyl)-1,3-thiazol-2-yl]-1,2-oxazole-4-carboxamide448932-12-5C21H16ClN3O2S
- 5-Chloro-2-methoxy-N-(2-methyl-4-(thiazolo[5,4-b]pyridin-2-yl)phenyl)benzamide896678-56-1C21H16ClN3O2S
- N-(3-Acetylphenyl)-2-[6-(4-chlorophenyl)imidazo[2,1-b][1,3]thiazol-3-yl]acetamide897458-28-5C21H16ClN3O2S
- 1-(2-Chlorobenzyl)-N-(6-methylbenzo[d]thiazol-2-yl)-2-oxo-1,2-dihydropyridine-3-carboxamide946356-68-9C21H16ClN3O2S
- 2-Chloro-N-(5-methoxybenzo[d]thiazol-2-yl)-N-(pyridin-3-ylmethyl)benzamide895411-22-0C21H16ClN3O2S
- N-(4-Chlorobenzo[d]thiazol-2-yl)-4-methoxy-N-(pyridin-2-ylmethyl)benzamide942002-83-7C21H16ClN3O2S
- 2-Chloro-N-(6-methoxybenzo[d]thiazol-2-yl)-N-(pyridin-2-ylmethyl)benzamide941878-31-5C21H16ClN3O2S
- 1-(4-Chlorobenzyl)-N-(4-methylbenzo[d]thiazol-2-yl)-6-oxo-1,6-dihydropyridine-3-carboxamide946228-83-7C21H16ClN3O2S
- N-(4-Chlorobenzyl)-2-(4-oxo-7-phenylthieno[3,2-d]pyrimidin-3(4H)-yl)acetamide1105207-02-0C21H16ClN3O2S
- 2-(2-Chlorophenyl)-N-(2-{[3-(thiophen-2-yl)-1,2,4-oxadiazol-5-yl]methyl}phenyl)acetamide1797077-01-0C21H16ClN3O2S
- 3-(2-Chlorophenyl)-5-methyl-N-((2-(thiophen-2-yl)pyridin-3-yl)methyl)isoxazole-4-carboxamide2034398-72-4C21H16ClN3O2S
- (Z)-5-Benzyl-2-((E)-((5-(3-chlorophenyl)furan-2-yl)methylene)hydrazono)thiazolidin-4-one392248-84-9C21H16ClN3O2S
- 3-Amino-N-(3-chlorophenyl)-6-(3-methoxyphenyl)thieno[2,3-b]pyridine-2-carboxamide371133-80-1C21H16ClN3O2S
- (5E)-1-(2-Chlorophenyl)-5-[(1-ethylindol-3-yl)methylidene]-2-sulfanylidene-1,3-diazinane-4,6-dione690689-08-8C21H16ClN3O2S
- N-[(3-Benzamidophenyl)carbamothioyl]-4-chlorobenzamide381185-42-8C21H16ClN3O2S
- (5E)-1-(3-Chlorophenyl)-5-[(1-ethylindol-3-yl)methylidene]-2-sulfanylidene-1,3-diazinane-4,6-dione690685-89-3C21H16ClN3O2S
- 5-(5-Chloro-2-methoxyphenyl)-4-(4-phenoxyphenyl)-4H-1,2,4-triazole-3-thiol722464-10-0C21H16ClN3O2S
- 2-(4-Chlorophenoxy)-N-(2-methyl-5-{[1,3]thiazolo[5,4-B]pyridin-2-YL}phenyl)acetamide863594-38-1C21H16ClN3O2S
- N-(6-Chlorobenzo[d]thiazol-2-yl)-2-phenoxy-N-(pyridin-4-ylmethyl)acetamide923194-97-2C21H16ClN3O2S
- N-(4-Chlorobenzo[d]thiazol-2-yl)-3-methoxy-N-(pyridin-3-ylmethyl)benzamide895015-41-5C21H16ClN3O2S
- 3-Amino-N-(4-chlorophenyl)-6-(3-methoxyphenyl)thieno[2,3-b]pyridine-2-carboxamide371131-63-4C21H16ClN3O2S
- N-[(3-Benzamidophenyl)carbamothioyl]-2-chlorobenzamide424800-98-6C21H16ClN3O2S
- N-(1,3-Benzodioxol-5-ylmethyl)-N-((E)-{1-[(2-chloro-1,3-thiazol-5-yl)methyl]-1H-indol-3-yl}methylidene)amine866131-58-0C21H16ClN3O2S
- (2E,NZ)-N-(6-acetamido-3-(prop-2-yn-1-yl)benzo[d]thiazol-2(3H)-ylidene)-3-(2-chlorophenyl)acrylamide865182-98-5C21H16ClN3O2S
- N-(7-Chloro-4-methoxybenzo[d]thiazol-2-yl)-N-(pyridin-3-ylmethyl)benzamide886964-86-9C21H16ClN3O2S
- 1-(4-Chlorobenzyl)-N-(4-methylbenzo[d]thiazol-2-yl)-2-oxo-1,2-dihydropyridine-3-carboxamide941952-25-6C21H16ClN3O2S
- 1-(2-Chlorobenzyl)-N-(4-methylbenzo[d]thiazol-2-yl)-2-oxo-1,2-dihydropyridine-3-carboxamide1005298-62-3C21H16ClN3O2S
- Benzenesulfonamide, 4-[5-(4-chlorophenyl)-3-phenyl-1H-pyrazol-1-yl]-78794-60-2C21H16ClN3O2S
- N-(6-Chlorobenzo[d]thiazol-2-yl)-3-methoxy-N-(pyridin-3-ylmethyl)benzamide895021-91-7C21H16ClN3O2S
- N-(6-Chlorobenzo[d]thiazol-2-yl)-4-methoxy-N-(pyridin-3-ylmethyl)benzamide895021-98-4C21H16ClN3O2S
- N-(6-Chlorobenzo[d]thiazol-2-yl)-2-methoxy-N-(pyridin-3-ylmethyl)benzamide895023-66-2C21H16ClN3O2S
- 3-Chloro-N-(4-methoxybenzo[d]thiazol-2-yl)-N-(pyridin-3-ylmethyl)benzamide895002-07-0C21H16ClN3O2S
- N-(4-Chlorobenzo[d]thiazol-2-yl)-4-methoxy-N-(pyridin-3-ylmethyl)benzamide895015-48-2C21H16ClN3O2S
- 3-Chloro-N-(5-methoxybenzo[d]thiazol-2-yl)-N-(pyridin-3-ylmethyl)benzamide895411-29-7C21H16ClN3O2S
- 2-Amino-N-(3-chloro-2-methylphenyl)-3-(thiophene-2-carbonyl)indolizine-1-carboxamide904267-29-4C21H16ClN3O2S
- 2-Amino-N-(5-chloro-2-methylphenyl)-3-(thiophene-2-carbonyl)indolizine-1-carboxamide904267-41-0C21H16ClN3O2S
- N-(Benzo[d]thiazol-2-yl)-2-(4-chlorophenoxy)-N-(pyridin-2-ylmethyl)acetamide886903-11-3C21H16ClN3O2S
- N-(4-Chlorobenzo[d]thiazol-2-yl)-2-phenoxy-N-(pyridin-2-ylmethyl)acetamide941967-70-0C21H16ClN3O2S
- 3-Chloro-N-(6-methoxybenzo[d]thiazol-2-yl)-N-(pyridin-2-ylmethyl)benzamide941926-30-3C21H16ClN3O2S
- 1-(2-Chlorobenzyl)-N-(4-methylbenzo[d]thiazol-2-yl)-6-oxo-1,6-dihydropyridine-3-carboxamide946310-89-0C21H16ClN3O2S
- (Z)-Ethyl 4-((2-(4-(4-chlorophenyl)thiazol-2-yl)-2-cyanovinyl)amino)benzoate1322301-81-4C21H16ClN3O2S
- 5-Chloro-2-methoxy-N-(2-methyl-3-(thiazolo[5,4-b]pyridin-2-yl)phenyl)benzamide863593-83-3C21H16ClN3O2S
- 5-Chloro-2-methoxy-N-(2-methyl-5-(thiazolo[5,4-b]pyridin-2-yl)phenyl)benzamide902870-01-3C21H16ClN3O2S
- N-((((4-Chlorobenzyl)oxy)imino)methyl)-5-cyano-3-methyl-4-phenyl-2-thiophenecarboxamide338968-35-7C21H16ClN3O2S
- 2-(((2-(4-Chlorophenyl)-5-methyloxazol-4-yl)methyl)thio)-6-phenylpyrimidin-4-ol1040646-35-2C21H16ClN3O2S
- N-[(4-Benzamidophenyl)carbamothioyl]-2-chlorobenzamide428459-08-9C21H16ClN3O2S
- 2-Amino-N-(3-chloro-4-methylphenyl)-3-(thiophene-2-carbonyl)indolizine-1-carboxamide898453-52-6C21H16ClN3O2S
- (4Z)-2-[4-(3-Chlorophenyl)-1,3-thiazol-2-yl]-4-[(4-methoxyphenyl)methylidene]-5-methylpyrazol-3-one5845-51-2C21H16ClN3O2S
- 3-Amino-6-(4-chlorophenyl)-N-(2-methoxyphenyl)thieno[2,3-b]pyridine-2-carboxamide612514-29-1C21H16ClN3O2S
Frequently asked questions
What is the molar mass of C21H16ClN3O2S?
The molar mass of C21H16ClN3O2S is 409.89 g/mol, calculated from standard atomic weights for 21 carbon atoms, 16 hydrogen atoms, 1 chlorine atom, 3 nitrogen atoms, 2 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 409.0652 Da.
How many compounds have the formula C21H16ClN3O2S?
CompoundList lists 80 compounds with the molecular formula C21H16ClN3O2S, including 3-[5-[(4-Chlorophenyl)methylthio]-1,3,4-oxadiazol-2-yl]-1-(phenylmethyl)-2-pyridinone, 2-(4-Chlorophenyl)sulfanyl-N-[2-methyl-3-([1,3]oxazolo[4,5-b]pyridin-2-yl)phenyl]acetamide, 2-(2-(Anilinocarbothioyl)carbohydrazonoyl)phenyl 4-chlorobenzoate. 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 C21H16ClN3O2S?
C21H16ClN3O2S 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.