Molecular formula

C₁₈H₁₆N₄O₂S

145 compounds have this formula on CompoundList.

Molar mass: 352.41g/mol
Monoisotopic mass: 352.0994Da
Atoms: 41
Elements: 5
Rings plus double bonds: 13

The formula C18H16N4O2S describes a molecule made of 18 carbon atoms, 16 hydrogen atoms, 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 × 1861.35%
12.011 × 18 = 216.198 g/mol
H Hydrogen × 164.58%
1.008 × 16 = 16.128 g/mol
N Nitrogen × 415.90%
14.007 × 4 = 56.028 g/mol
O Oxygen × 29.08%
15.999 × 2 = 31.998 g/mol
S Sulfur × 19.10%
32.06 × 1 = 32.060 g/mol

Look up another formula

Compounds with the formula C18H16N4O2S

Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.

Showing 1 to 100 of 145 compounds

9-(Dimethylamino)-3-(4-methoxyphenyl)-4-pyrido[1,2]thieno[3,4-d]pyrimidinone

CAS 159583-16-1C₁₈H₁₆N₄O₂S

N-Allyl-2-phenoxy-N-(5-pyridin-4-yl-[1,3,4]thiadiazol-2-yl)-acetamide

CAS 497232-37-8C₁₈H₁₆N₄O₂S

3-(4-Methoxyphenyl)-6-[(4-methylphenoxy)methyl]-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole

CAS 850800-31-6C₁₈H₁₆N₄O₂S

(4Z)-2-(1,3-Benzothiazol-2-yl)-4-[1-(furan-2-ylmethylamino)ethylidene]-5-methylpyrazol-3-one

CAS 351165-66-7C₁₈H₁₆N₄O₂S

N-(2-Methoxyphenyl)-2-[(6-pyridin-2-ylpyridazin-3-yl)thio]acetamide

CAS 892438-67-4C₁₈H₁₆N₄O₂S

5-(4-Methylbenzamido)-2-(phenylamino)thiazole-4-carboxamide

CAS 1228280-29-2C₁₈H₁₆N₄O₂S

N-(2-Furylmethyl)-2-[(5-methyl[1,2,4]triazolo[4,3-a]quinolin-1-yl)thio]acetamide

CAS 304692-15-7C₁₈H₁₆N₄O₂S

8-Mercapto-1,3-dimethyl-7-(1-naphthylmethyl)-3,7-dihydro-1H-purine-2,6-dione

CAS 476480-17-8C₁₈H₁₆N₄O₂S

6-(1-(Methylsulfonyl)-3-phenyl-4,5-dihydro-1H-pyrazol-5-yl)quinoxaline

CAS 442649-92-5C₁₈H₁₆N₄O₂S

2-[3-[(4-Methyl-1,2,4-triazol-3-yl)sulfanyl]propyl]benzo[de]isoquinoline-1,3-dione

CAS 833429-89-3C₁₈H₁₆N₄O₂S

2-[(6-Benzyl-5-hydroxy-1,2,4-triazin-3-yl)sulfanyl]-N-phenylacetamide

CAS 898611-70-6C₁₈H₁₆N₄O₂S

Acetamide,2-[(3-cyano-5,7-dimethyl-2-quinolinyl)thio]-N-(5-methyl-3-isoxazolyl)-

CAS 602325-02-0C₁₈H₁₆N₄O₂S

$6-{[(Furan-2-yl)methyl]amino}-17-thia-2,7,8-triazatetracyclo[8.7.0.0^{3,8}.0^{11,16}]heptadeca-1(10),2,4,6,11(16)-pentaen-9-one chemical structure, C18H16N4O2S, CAS 379242-35-0$

6-{[(Furan-2-yl)methyl]amino}-17-thia-2,7,8-triazatetracyclo[8.7.0.0^{3,8}.0^{11,16}]heptadeca-1(10),2,4,6,11(16)-pentaen-9-one

CAS 379242-35-0C₁₈H₁₆N₄O₂S

8,8-Dimethyl-3-phenyl-3,6,8,9-tetrahydro-10H-pyrano[4',3':4,5]thieno[2,3-d][1,2,4]triazolo[1,5-a]pyrimidin-10-one

CAS 339347-32-9C₁₈H₁₆N₄O₂S

2-(3-Cyano-5,8-dimethyl-quinolin-2-ylsulfanyl)-N-(5-methyl-isoxazol-3-yl)-acetamide

CAS 602324-32-3C₁₈H₁₆N₄O₂S

3-[2-(1,3-Benzothiazol-2-yl)hydrazinyl]-1-(4-methylphenyl)pyrrolidine-2,5-dione

CAS 956781-61-6C₁₈H₁₆N₄O₂S

2-[2-(3,4-Dihydro-2H-quinolin-1-yl)-2-oxoethyl]sulfanylpyrido[1,2-a][1,3,5]triazin-4-one

CAS 896325-38-5C₁₈H₁₆N₄O₂S

ME 4-(((3-Mercapto-5-(3-methylphenyl)-4H-1,2,4-triazol-4-yl)imino)ME)benzoate

CAS 478255-70-8C₁₈H₁₆N₄O₂S

6-(3,4-Dimethoxyphenyl)-3-(3-methylphenyl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole

CAS 573973-81-6C₁₈H₁₆N₄O₂S

4-Allyl-3-(benzylthio)-5-(4-nitrophenyl)-4H-1,2,4-triazole

CAS 331985-08-1C₁₈H₁₆N₄O₂S

4-(4-Methoxyphenyl)-6,7,8,9-tetrahydro[1]benzothieno[3,2-e][1,2,4]triazolo[4,3-a]pyrimidin-5(4H)-one

CAS 354992-47-5C₁₈H₁₆N₄O₂S

N-(4-Methoxyphenyl)-2-(6-pyridin-3-ylpyridazin-3-yl)sulfanylacetamide

CAS 872701-81-0C₁₈H₁₆N₄O₂S

(7Z)-3-(4-Methoxyphenyl)-7-(pyridin-3-ylmethylidene)-2,4-dihydro-[1,3]thiazolo[3,2-a][1,3,5]triazin-6-one

CAS 352329-74-9C₁₈H₁₆N₄O₂S

2-[2-(2,3-Dihydroindol-1-yl)-2-oxoethyl]sulfanyl-7-methylpyrido[1,2-a][1,3,5]triazin-4-one

CAS 896318-07-3C₁₈H₁₆N₄O₂S

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What is the molar mass of C18H16N4O2S?

The molar mass of C18H16N4O2S is 352.41 g/mol, calculated from standard atomic weights for 18 carbon atoms, 16 hydrogen atoms, 4 nitrogen atoms, 2 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 352.0994 Da.

How many compounds have the formula C18H16N4O2S?

CompoundList lists 145 compounds with the molecular formula C18H16N4O2S, including 9-(Dimethylamino)-3-(4-methoxyphenyl)-4-pyrido[1,2]thieno[3,4-d]pyrimidinone, N-Allyl-2-phenoxy-N-(5-pyridin-4-yl-[1,3,4]thiadiazol-2-yl)-acetamide, 3-(4-Methoxyphenyl)-6-[(4-methylphenoxy)methyl]-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole. 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 C18H16N4O2S?

C18H16N4O2S 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.