Molecular formula

C₁₈H₁₃N₃S

20 compounds have this formula on CompoundList.

Molar mass: 303.38g/mol
Monoisotopic mass: 303.0830Da
Atoms: 35
Elements: 4
Rings plus double bonds: 14

The formula C18H13N3S describes a molecule made of 18 carbon atoms, 13 hydrogen atoms, 3 nitrogen 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 × 1871.26%
12.011 × 18 = 216.198 g/mol
H Hydrogen × 134.32%
1.008 × 13 = 13.104 g/mol
N Nitrogen × 313.85%
14.007 × 3 = 42.021 g/mol
S Sulfur × 110.57%
32.06 × 1 = 32.060 g/mol

Look up another formula

Compounds with the formula C18H13N3S

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

Showing 1 to 20 of 20 compounds

3-[(4-Methylphenyl)sulfanyl]-6-phenyl-4-pyridazinecarbonitrile

CAS 338417-87-1C₁₈H₁₃N₃S

4-Amino-6-[2-naphthylthio]quinazoline

CAS 52979-15-4C₁₈H₁₃N₃S

2-Phenyl-3-(phenylthio)imidazo[1,2-a]pyrimidine

CAS 371234-15-0C₁₈H₁₃N₃S

RefChem:381735

CAS 106915-96-2C₁₈H₁₃N₃S

as-Triazine, 5-(9-anthracenyl)-3-(methylthio)-

CAS 69467-14-7C₁₈H₁₃N₃S

2-Phenyl-2-[6-(phenylsulfanyl)-3-pyridazinyl]acetonitrile

CAS 209412-02-2C₁₈H₁₃N₃S

3H-1,2,4-Triazole-3-thione, 2,4-dihydro-4-(1-naphthalenyl)-5-phenyl-

CAS 96134-05-3C₁₈H₁₃N₃S

(4-(2-Naphthyl)(2,5-thiazolyl))-3-pyridylamine

CAS 1024464-93-4C₁₈H₁₃N₃S

4,6-Diphenylisothiazolo[5,4-b]pyridine-3-ylamine

CAS 912906-96-8C₁₈H₁₃N₃S

3-(Benzylsulfanyl)-6-phenyl-4-pyridazinecarbonitrile

CAS 338417-94-0C₁₈H₁₃N₃S

N-[4-(1,3-Benzothiazol-2-yl)phenyl]pyridin-4-amine

CAS 920519-90-0C₁₈H₁₃N₃S

4-Phenyl-2-(5-phenyl-1H-pyrazol-1-yl)-1,3-thiazole

CAS 956441-32-0C₁₈H₁₃N₃S

6-Anilino-4-phenyl-2-sulfanylidene-1,2-dihydropyridine-3-carbonitrile

CAS 89815-91-8C₁₈H₁₃N₃S

Pyrimido[4,5-b]quinoline-2(1H)-thione, 9-methyl-1-phenyl-

CAS 656807-62-4C₁₈H₁₃N₃S

N-[3-(1,3-Benzothiazol-2-yl)phenyl]pyridin-4-amine

CAS 920520-06-5C₁₈H₁₃N₃S

N-Phenyl-3-(thiophen-2-yl)quinoxalin-2-amine

CAS 832081-69-3C₁₈H₁₃N₃S

2-Methyl-5,6-diphenyl-3-sulfanylidene-2,3-dihydropyridazine-4-carbonitrile

CAS 875783-70-3C₁₈H₁₃N₃S

(2Z)-6-Amino-4-phenyl-2-(phenylimino)-2H-thiopyran-5-carbonitrile

CAS 89815-86-1C₁₈H₁₃N₃S

7-(4-Methyl-3-pyridinyl)-3-pyridin-2-ylthieno[3,2-b]pyridine

CAS 1428880-81-2C₁₈H₁₃N₃S

2-[(2Z)-2-(1-Ethylbenzo[e][1,3]benzothiazol-2-ylidene)ethylidene]propanedinitrile

CAS 88894-02-4C₁₈H₁₃N₃S

Frequently asked questions

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What is the molar mass of C18H13N3S?

The molar mass of C18H13N3S is 303.38 g/mol, calculated from standard atomic weights for 18 carbon atoms, 13 hydrogen atoms, 3 nitrogen atoms and 1 sulfur atom. The monoisotopic mass is 303.0830 Da.

How many compounds have the formula C18H13N3S?

CompoundList lists 20 compounds with the molecular formula C18H13N3S, including 3-[(4-Methylphenyl)sulfanyl]-6-phenyl-4-pyridazinecarbonitrile, 4-Amino-6-[2-naphthylthio]quinazoline, 2-Phenyl-3-(phenylthio)imidazo[1,2-a]pyrimidine. 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 C18H13N3S?

C18H13N3S has a degree of unsaturation of 14. 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.