Molecular formula
C21H18N4OS
102 compounds have this formula on CompoundList.
- Molar mass
- 374.46g/mol
- Monoisotopic mass
- 374.1201Da
- Atoms
- 45
- Elements
- 5
- Rings plus double bonds
- 15
The formula C21H18N4OS describes a molecule made of 21 carbon atoms, 18 hydrogen atoms, 4 nitrogen atoms, 1 oxygen atom 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 × 2167.36%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 184.85%1.008 × 18 = 18.144 g/mol
- N Nitrogen × 414.96%14.007 × 4 = 56.028 g/mol
- O Oxygen × 14.27%15.999 × 1 = 15.999 g/mol
- S Sulfur × 18.56%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C21H18N4OS
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 102 compounds
MEK inhibitor I
CAS 297744-42-4C21H18N4OS
PF-3644022
CAS 1276121-88-0C21H18N4OS
1-(1-Benzotriazolyl)-3-(10-phenothiazinyl)-2-propanol
CAS 315247-89-3C21H18N4OS
![2-{4-(2-Furylmethyl)-5-[(3-phenyl-2-propen-1-yl)thio]-4H-1,2,4-triazol-3-yl}pyridine chemical structure, C21H18N4OS, CAS 1164474-24-1](/s/GVPGVDUUNVVLND-JXMROGBWSA-N.svg)
2-{4-(2-Furylmethyl)-5-[(3-phenyl-2-propen-1-yl)thio]-4H-1,2,4-triazol-3-yl}pyridine
CAS 1164474-24-1C21H18N4OS
![2-((5-Methyl-3-phenylpyrazolo[1,5-a]pyrimidin-7-yl)thio)-N-phenylacetamide chemical structure, C21H18N4OS, CAS 862198-51-4](/s/XKWPJARMSWSIPD-UHFFFAOYSA-N.svg)
2-((5-Methyl-3-phenylpyrazolo[1,5-a]pyrimidin-7-yl)thio)-N-phenylacetamide
CAS 862198-51-4C21H18N4OS
![2-(1,3-Benzothiazol-2-yl)-4-[(1E)-N-cyclopropylethanimidoyl]-5-phenyl-1,2-dihydro-3H-pyrazol-3-one chemical structure, C21H18N4OS, CAS 1164461-44-2](/s/RJWIKMXFMCOOGB-UHFFFAOYSA-N.svg)
2-(1,3-Benzothiazol-2-yl)-4-[(1E)-N-cyclopropylethanimidoyl]-5-phenyl-1,2-dihydro-3H-pyrazol-3-one
CAS 1164461-44-2C21H18N4OS
4-(((2-Meo-1-naphthyl)methylene)amino)-5-(3-methyl-PH)-4H-1,2,4-triazole-3-thiol
CAS 478256-43-8C21H18N4OS
5-(3-Ethoxyphenyl)-4-((1-naphthylmethylene)amino)-4H-1,2,4-triazole-3-thiol
CAS 764711-87-7C21H18N4OS
![2-(Benzylthio)-N-(3-(imidazo[1,2-a]pyrimidin-2-yl)phenyl)acetamide chemical structure, C21H18N4OS, CAS 862810-02-4](/s/IWJYXWUGYZBGEY-UHFFFAOYSA-N.svg)
2-(Benzylthio)-N-(3-(imidazo[1,2-a]pyrimidin-2-yl)phenyl)acetamide
CAS 862810-02-4C21H18N4OS
Kuanoniamine C
CAS 133401-12-4C21H18N4OS
2-(1,3-Benzothiazol-2-ylamino)-4-phenyl-4,6,7,8-tetrahydroquinazolin-5(1H)-one
CAS 669718-43-8C21H18N4OS
![2-((3-(1H-Benzo[d]imidazol-2-yl)pyridin-2-yl)thio)-N-(o-tolyl)acetamide chemical structure, C21H18N4OS, CAS 1206984-62-4](/s/PNJNGZNHUMASPO-UHFFFAOYSA-N.svg)
2-((3-(1H-Benzo[d]imidazol-2-yl)pyridin-2-yl)thio)-N-(o-tolyl)acetamide
CAS 1206984-62-4C21H18N4OS
N-(2-(1H-Imidazol-1-yl)quinolin-8-yl)-2-(benzylthio)acetamide
CAS 1226435-06-8C21H18N4OS
N-(2-(1H-Imidazol-1-yl)quinolin-8-yl)-2-(ethylthio)benzamide
CAS 1226443-44-2C21H18N4OS
N-(2-(1H-Imidazol-1-yl)quinolin-8-yl)-3-(phenylthio)propanamide
CAS 1226436-16-3C21H18N4OS
![2-[(4,6-Dimethylpyrimidin-2-yl)sulfanylmethyl]-3-phenylquinazolin-4-one chemical structure, C21H18N4OS, CAS 304444-33-5](/s/UQYJHWXPAOIXJZ-UHFFFAOYSA-N.svg)
2-[(4,6-Dimethylpyrimidin-2-yl)sulfanylmethyl]-3-phenylquinazolin-4-one
CAS 304444-33-5C21H18N4OS
5-(2-Carbazol-9-ylethyl)-4-(2-furylmethyl)-1,2,4-triazole-3-thiol
CAS 537017-36-0C21H18N4OS
N-(4,5-Diphenylthiazol-2-yl)-1-ethyl-1H-pyrazole-3-carboxamide
CAS 955553-02-3C21H18N4OS
![N-(2-(1H-Pyrazol-1-yl)ethyl)-N-(benzo[d]thiazol-2-yl)cinnamamide chemical structure, C21H18N4OS, CAS 1173396-74-1](/s/FVCCOUYDEVLNBR-VAWYXSNFSA-N.svg)
N-(2-(1H-Pyrazol-1-yl)ethyl)-N-(benzo[d]thiazol-2-yl)cinnamamide
CAS 1173396-74-1C21H18N4OS
N-(4-(4-Benzylphenyl)thiazol-2-yl)-1-methyl-1H-pyrazole-5-carboxamide
CAS 1172262-74-6C21H18N4OS
![6-(Cinnamylthio)-1-(p-tolyl)-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one chemical structure, C21H18N4OS, CAS 946262-56-2](/s/HXPAPFRITZYYSB-VMPITWQZSA-N.svg)
6-(Cinnamylthio)-1-(p-tolyl)-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one
CAS 946262-56-2C21H18N4OS
![1-(1,2-Dihydroacenaphthylen-5-yl)-2-((5,7-dimethyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)thio)ethanone chemical structure, C21H18N4OS, CAS 831213-23-1](/s/BFVBSMXCRYVQCG-UHFFFAOYSA-N.svg)
1-(1,2-Dihydroacenaphthylen-5-yl)-2-((5,7-dimethyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)thio)ethanone
CAS 831213-23-1C21H18N4OS
![2-[(4-Methyl-5-phenyl-4H-1,2,4-triazol-3-yl)sulfanyl]-N-(naphthalen-1-yl)acetamide chemical structure, C21H18N4OS, CAS 482653-70-3](/s/FYDJBULWSCJQHD-UHFFFAOYSA-N.svg)
2-[(4-Methyl-5-phenyl-4H-1,2,4-triazol-3-yl)sulfanyl]-N-(naphthalen-1-yl)acetamide
CAS 482653-70-3C21H18N4OS
2-Phenyl-N-(5-propan-2-yl-1,3,4-thiadiazol-2-yl)quinoline-4-carboxamide
CAS 326877-16-1C21H18N4OS
- 3-[5-(Benzylsulfanyl)-4-(4-methoxyphenyl)-4H-1,2,4-triazol-3-yl]pyridine333408-50-7C21H18N4OS
- Acetamide, N-(3-(4-methylphenyl)-1-(4-phenyl-2-thiazolyl)-1H-pyrazol-5-yl)-74101-30-7C21H18N4OS
- (E)-4-((2-Cyano-2-(4-(2,4-dimethylphenyl)thiazol-2-yl)vinyl)amino)benzamide1321755-12-7C21H18N4OS
- (E)-4-((2-Cyano-2-(4-(3,4-dimethylphenyl)thiazol-2-yl)vinyl)amino)benzamide1321911-52-7C21H18N4OS
- 3-[5-[(4-Methoxyphenyl)methylsulfanyl]-4-phenyl-1,2,4-triazol-3-yl]pyridine799806-94-3C21H18N4OS
- 2-[1-(2,4-Dimethylphenyl)pyrazolo[3,4-d]pyrimidin-4-yl]sulfanyl-1-phenylethanone893930-53-5C21H18N4OS
- (E)-4-((2-Cyano-2-(4-(4-ethylphenyl)thiazol-2-yl)vinyl)amino)benzamide1321879-62-2C21H18N4OS
- 3-Amino-N-(1-phenylethyl)-6-(4-pyridinyl)thieno[2,3-b]pyridine-2-carboxamide496801-93-5C21H18N4OS
- 3-(1,3-Benzothiazol-2-yl)-N-ethyl-N-(3-methylphenyl)pyrazine-2-carboxamide873856-65-6C21H18N4OS
- N-Benzyl-2-[(2-phenylpyrazolo[1,5-a]pyrazin-4-yl)thio]acetamide1021216-60-3C21H18N4OS
- 4-((1H-Imidazol-1-yl)methyl)-N-(3-(2-methylthiazol-4-yl)phenyl)benzamide1207050-07-4C21H18N4OS
- N-Phenethyl-N-(pyridin-2-ylmethyl)benzo[c][1,2,5]thiadiazole-5-carboxamide1286714-18-8C21H18N4OS
- 6-Methyl-5-((3-(2-(methylthio)pyrimidin-4-yl)pyridin-2-yl)oxy)naphthalen-1-amine2245062-49-9C21H18N4OS
- 6-Methoxy-2-[p-(N-methylanilino)phenylazo]benzothiazole13486-23-2C21H18N4OS
- N-[(5-Methylsulfanyl-4-phenyl-1,2,4-triazol-3-yl)methyl]naphthalene-1-carboxamide391947-03-8C21H18N4OS
- N-[[4-(3-Methylphenyl)-5-sulfanylidene-1H-1,2,4-triazol-3-yl]methyl]naphthalene-1-carboxamide391887-85-7C21H18N4OS
- (Z)-N-(4-((2-Cyano-2-(4-(p-tolyl)thiazol-2-yl)vinyl)amino)phenyl)acetamide1321858-62-1C21H18N4OS
- N-(4,5-Diphenylthiazol-2-yl)-1,3-dimethyl-1H-pyrazole-5-carboxamide1013783-34-0C21H18N4OS
- N-(2-Methylphenyl)-2-({2-phenylpyrazolo[1,5-A]pyrazin-4-YL}sulfanyl)acetamide1021216-05-6C21H18N4OS
- 3-(4-Methylphenyl)-6-({[3-(3-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl}sulfanyl)pyridazine1111419-18-1C21H18N4OS
- 3-(4-Methylphenyl)-6-({[3-(4-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl}sulfanyl)pyridazine1111260-31-1C21H18N4OS
- 4-((1H-Imidazol-1-yl)methyl)-N-(2-(2-methylthiazol-4-yl)phenyl)benzamide1797728-39-2C21H18N4OS
- (2-Methyl-8,9-dihydropyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-7(6H)-yl)(4-(thiophen-2-yl)phenyl)methanone1796958-63-8C21H18N4OS
- 5-Methyl-1-phenyl-N-{[2-(thiophen-3-yl)pyridin-4-yl]methyl}-1H-pyrazole-4-carboxamide2034433-05-9C21H18N4OS
- 6-(Cinnamylthio)-1-(m-tolyl)-1H-pyrazolo[3,4-d]pyrimidin-4-ol1020229-84-8C21H18N4OS
- 3-Amino-N-[(4-methylphenyl)methyl]-6-pyridin-4-ylthieno[2,3-b]pyridine-2-carboxamide496801-98-0C21H18N4OS
- 3-Amino-N-(2,5-dimethylphenyl)-6-(4-pyridinyl)thieno[2,3-b]pyridine-2-carboxamide496019-12-6C21H18N4OS
- 2-[[5-(4-Aminophenyl)-4-methyl-1,2,4-triazol-3-yl]sulfanyl]-1-naphthalen-2-ylethanone692773-44-7C21H18N4OS
- 3,3-Dimethyl-1-(3-[3-(2-thienyl)pyrazolo[1,5-A]pyrimidin-7-yl]phenyl)-2-azetanone861210-48-2C21H18N4OS
- 3-Amino-4-anilino-N-(4-methylphenyl)thieno[2,3-b]pyridine-2-carboxamide371941-82-1C21H18N4OS
- 7-(4-Methoxyphenyl)-2-[(3-phenyl-2-propenyl)sulfanyl][1,2,4]triazolo[1,5-a]pyrimidine338751-65-8C21H18N4OS
- 4-(4-Morpholinyl)-5-phenyl-2-(2-pyridinyl)thieno[2,3-d]pyrimidine921439-31-8C21H18N4OS
- 4-Methyl-N-(3-methyl-1-(4-phenylthiazol-2-yl)-1H-pyrazol-5-yl)benzamide1020488-43-0C21H18N4OS
- N-(3-Methyl-1-(4-phenylthiazol-2-yl)-1H-pyrazol-5-yl)-2-phenylacetamide1020489-00-2C21H18N4OS
- N-(5-Cyclopropyl-1,3,4-thiadiazol-2-yl)-2-(2-phenyl-1H-indol-1-yl)acetamide1219559-87-1C21H18N4OS
- 1-Phenyl-N-[2-(pyridin-2-yl)ethyl]-3-(thiophen-2-yl)-1H-pyrazole-5-carboxamide1172392-19-6C21H18N4OS
- 1-Methyl-N-(3-(2-methylthiazol-4-yl)phenyl)-3-phenyl-1H-pyrazole-5-carboxamide1207009-17-3C21H18N4OS
- 1-(1,2-Dihydroimidazo[1,2-a]benzimidazol-3-yl)-2-(4-methyl-2-phenyl-1,3-thiazol-5-yl)ethanone1206994-12-8C21H18N4OS
- 3-(4-Methylphenyl)-6-({[3-(2-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl}sulfanyl)pyridazine1111316-43-8C21H18N4OS
- (3-(1H-Pyrrol-1-yl)-2-(p-tolyl)pyrrolo[3,4-c]pyrazol-5(2H,4H,6H)-yl)(thiophen-3-yl)methanone1334368-88-5C21H18N4OS
- N-((5-(1-Methyl-1H-pyrazol-4-yl)pyridin-3-yl)methyl)-4-(thiophen-2-yl)benzamide2034461-30-6C21H18N4OS
- 3-Amino-N-(2,4-dimethylphenyl)-6-(4-pyridinyl)thieno[2,3-b]pyridine-2-carboxamide496019-24-0C21H18N4OS
- (6Z)-5-Imino-2-phenyl-6-[(4-propan-2-ylphenyl)methylidene]-[1,3,4]thiadiazolo[3,2-a]pyrimidin-7-one6381-21-1C21H18N4OS
- 4-(Dimethylamino)-N-(4-{[1,3]thiazolo[5,4-b]pyridin-2-yl}phenyl)benzamide896679-40-6C21H18N4OS
- 3-{5-[(2-Phenoxyethyl)sulfanyl]-4-phenyl-4H-1,2,4-triazol-3-yl}pyridine901632-74-4C21H18N4OS
- 2-Methyl-N-(3-methyl-1-(4-phenylthiazol-2-yl)-1H-pyrazol-5-yl)benzamide1020488-39-4C21H18N4OS
- N-(4-Methylphenyl)-2-({2-phenylpyrazolo[1,5-A]pyrazin-4-YL}sulfanyl)acetamide1021251-98-8C21H18N4OS
- 4-Cyano-N-((6-(p-tolyl)-2,3-dihydroimidazo[2,1-b]thiazol-5-yl)methyl)benzamide946301-20-8C21H18N4OS
- N-(3-Methylphenyl)-2-({2-phenylpyrazolo[1,5-A]pyrazin-4-YL}sulfanyl)acetamide1021254-73-8C21H18N4OS
- 3-(4-Ethylphenyl)-5-(((6-phenylpyridazin-3-yl)thio)methyl)-1,2,4-oxadiazole1111316-41-6C21H18N4OS
- 3-(3,4-Dimethylphenyl)-5-(((6-phenylpyridazin-3-yl)thio)methyl)-1,2,4-oxadiazole1111260-29-7C21H18N4OS
- N-(4-(4-Amino-6-ethylthieno[2,3-d]pyrimidin-5-yl)phenyl)benzamide605660-62-6C21H18N4OS
- 5-Methyl-N-(2-(2-methylthiazol-4-yl)phenyl)-1-phenyl-1H-pyrazole-4-carboxamide1705350-26-0C21H18N4OS
- 5-Methyl-1-phenyl-N-((2-(thiophen-2-yl)pyridin-4-yl)methyl)-1H-pyrazole-4-carboxamide2034271-12-8C21H18N4OS
- 5-Methyl-1-phenyl-N-{[5-(thiophen-2-yl)pyridin-3-yl]methyl}-1H-pyrazole-4-carboxamide2034410-63-2C21H18N4OS
- N-(1-Phenyl-2-(2H-1,2,3-triazol-2-yl)ethyl)-4-(thiophen-3-yl)benzamide2034438-22-5C21H18N4OS
- 4-[(1H-Imidazol-1-yl)methyl]-N-{[5-(thiophen-2-yl)pyridin-3-yl]methyl}benzamide1903167-44-1C21H18N4OS
- N-{[5-(1-Methyl-1H-pyrazol-4-yl)pyridin-3-yl]methyl}-4-(thiophen-3-yl)benzamide2034308-41-1C21H18N4OS
- N-{[5-(1-Methyl-1H-pyrazol-5-yl)pyridin-3-yl]methyl}-4-(thiophen-2-yl)benzamide2034225-79-9C21H18N4OS
- N-((6-(1-Methyl-1H-pyrazol-4-yl)pyridin-3-yl)methyl)-4-(thiophen-3-yl)benzamide2034391-15-4C21H18N4OS
- Benzo[d]thiazol-2-yl(4-(1-methyl-1H-pyrazol-4-yl)-3,4-dihydroisoquinolin-2(1H)-yl)methanone2034387-08-9C21H18N4OS
- N-((6-(1-Methyl-1H-pyrazol-4-yl)pyridin-3-yl)methyl)-4-(thiophen-2-yl)benzamide2034610-62-1C21H18N4OS
- 4-[(1H-Imidazol-1-yl)methyl]-N-{[2-(thiophen-3-yl)pyridin-3-yl]methyl}benzamide2309554-05-8C21H18N4OS
- 1-(Naphthalen-1-ylmethyl)-3-((3-(thiophen-3-yl)pyrazin-2-yl)methyl)urea2034462-80-9C21H18N4OS
- 1-(Naphthalen-1-ylmethyl)-3-((3-(thiophen-2-yl)pyrazin-2-yl)methyl)urea2034426-64-5C21H18N4OS
- N-{[5-(1-Methyl-1H-pyrazol-5-yl)pyridin-3-yl]methyl}-4-(thiophen-3-yl)benzamide2191267-06-6C21H18N4OS
- N-Cyclopropyl-2-phenyl-N-[4-(1H-pyrrolo[2,3-b]pyridin-3-yl)-thiazol-2-yl]-acetamide868387-18-2C21H18N4OS
- 3-Amino-3-(2-aminophenyl)sulfanyl-2-[3-[hydroxy(pyridin-4-yl)methyl]phenyl]prop-2-enenitrileC21H18N4OS
- Benzamide, 3-methyl-N-[[[4-(2-phenyldiazenyl)phenyl]amino]thioxomethyl]-875193-50-3C21H18N4OS
- Benzeneacetamide, N-[[[4-(2-phenyldiazenyl)phenyl]amino]thioxomethyl]-875194-03-9C21H18N4OS
- Benzamide, 4-methyl-N-[[[4-(2-phenyldiazenyl)phenyl]amino]thioxomethyl]-875194-27-7C21H18N4OS
- Benzamide, 2-methyl-N-[[[4-(2-phenyldiazenyl)phenyl]amino]thioxomethyl]-875194-50-6C21H18N4OS
- 2-{[4-(3,5-Dimethyl-1H-pyrazol-1-yl)-1-phthalazinyl]sulfanyl}-1-phenylethanone606122-20-7C21H18N4OS
- Pyrido(3',2':4,5)thieno(3,2-d)pyrimidin-4(3H)-one, 3-(cinnamylideneamino)-2,7,9-trimethyl-99504-89-9C21H18N4OS
- Thiourea, N-(3-acetylphenyl)-N'-[4-(2-phenyldiazenyl)phenyl]-891297-82-8C21H18N4OS
- Thiourea, N-(4-acetylphenyl)-N'-[4-(2-phenyldiazenyl)phenyl]-479249-21-3C21H18N4OS
Frequently asked questions
What is the molar mass of C21H18N4OS?
The molar mass of C21H18N4OS is 374.46 g/mol, calculated from standard atomic weights for 21 carbon atoms, 18 hydrogen atoms, 4 nitrogen atoms, 1 oxygen atom and 1 sulfur atom. The monoisotopic mass is 374.1201 Da.
How many compounds have the formula C21H18N4OS?
CompoundList lists 102 compounds with the molecular formula C21H18N4OS, including MEK inhibitor I, PF-3644022, 1-(1-Benzotriazolyl)-3-(10-phenothiazinyl)-2-propanol. 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 C21H18N4OS?
C21H18N4OS 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.