Molecular formula
C18H13N3OS
65 compounds have this formula on CompoundList.
- Molar mass
- 319.38g/mol
- Monoisotopic mass
- 319.0779Da
- Atoms
- 36
- Elements
- 5
- Rings plus double bonds
- 14
The formula C18H13N3OS describes a molecule made of 18 carbon atoms, 13 hydrogen atoms, 3 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 × 1867.69%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 134.10%1.008 × 13 = 13.104 g/mol
- N Nitrogen × 313.16%14.007 × 3 = 42.021 g/mol
- O Oxygen × 15.01%15.999 × 1 = 15.999 g/mol
- S Sulfur × 110.04%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C18H13N3OS
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 65 of 65 compounds
4-Amino-2-anilino-5-benzoyl-3-thiophenecarbonitrile
CAS 165824-82-8C18H13N3OS
![N-(6-Phenyl-5-imidazo[2,1-b]thiazolyl)benzamide chemical structure, C18H13N3OS, CAS 294653-93-3](/s/MCSIZAMXJUWZDC-UHFFFAOYSA-N.svg)
N-(6-Phenyl-5-imidazo[2,1-b]thiazolyl)benzamide
CAS 294653-93-3C18H13N3OS
2-(4-Methylphenyl)-3-(1,3-thiazol-2-yl)quinazolin-4(3H)-one
CAS 330829-03-3C18H13N3OS
![N-{2-Phenylimidazo[1,2-a]pyridin-3-yl}thiophene-2-carboxamide chemical structure, C18H13N3OS, CAS 312623-31-7](/s/QOJBRKRLGPSKQR-UHFFFAOYSA-N.svg)
N-{2-Phenylimidazo[1,2-a]pyridin-3-yl}thiophene-2-carboxamide
CAS 312623-31-7C18H13N3OS
![6-Methyl-5-phenyl-2-(pyridin-2-yl)thieno[2,3-d]pyrimidin-4(3H)-one chemical structure, C18H13N3OS, CAS 724746-07-0](/s/BBQMALWNAZQCGJ-UHFFFAOYSA-N.svg)
6-Methyl-5-phenyl-2-(pyridin-2-yl)thieno[2,3-d]pyrimidin-4(3H)-one
CAS 724746-07-0C18H13N3OS
2-(Benzylsulfanyl)-4-hydroxy-6-phenyl-5-pyrimidinecarbonitrile
CAS 126277-91-6C18H13N3OS
![N-(3-Imidazo[1,2-a]pyridin-2-ylphenyl)thiophene-2-carboxamide chemical structure, C18H13N3OS, CAS 332384-17-5](/s/XQIJAQCPQZJREU-UHFFFAOYSA-N.svg)
N-(3-Imidazo[1,2-a]pyridin-2-ylphenyl)thiophene-2-carboxamide
CAS 332384-17-5C18H13N3OS
N-(1,3-Benzothiazol-2-yl)-N'-(1-naphthyl)urea
CAS 26135-13-7C18H13N3OS
![N-(3-Imidazo[2,1-b][1,3]thiazol-6-ylphenyl)benzamide chemical structure, C18H13N3OS, CAS 670248-07-4](/s/YURSTMZQCGYFHR-UHFFFAOYSA-N.svg)
N-(3-Imidazo[2,1-b][1,3]thiazol-6-ylphenyl)benzamide
CAS 670248-07-4C18H13N3OS
![6-Methyl-5-phenyl-2-(pyridin-3-yl)-3H,4H-thieno[2,3-d]pyrimidin-4-one chemical structure, C18H13N3OS, CAS 724746-10-5](/s/DWSZFPQPFNDSKK-UHFFFAOYSA-N.svg)
6-Methyl-5-phenyl-2-(pyridin-3-yl)-3H,4H-thieno[2,3-d]pyrimidin-4-one
CAS 724746-10-5C18H13N3OS
2-(Naphthalen-1-ylmethylsulfanyl)-5-pyridin-4-yl-1,3,4-oxadiazole
CAS 675834-93-2C18H13N3OS
RefChem:313873
CAS 52979-08-5C18H13N3OS
4-Quinazolinamine, 6-(2-naphthalenylsulfinyl)-
CAS 52979-17-6C18H13N3OS
![3-[(4-Methoxyphenyl)sulfanyl]-6-phenyl-4-pyridazinecarbonitrile chemical structure, C18H13N3OS, CAS 338417-88-2](/s/XFVSNTJKANPRFA-UHFFFAOYSA-N.svg)
3-[(4-Methoxyphenyl)sulfanyl]-6-phenyl-4-pyridazinecarbonitrile
CAS 338417-88-2C18H13N3OS
AC1Ldppu
CAS 52979-06-3C18H13N3OS
RefChem:313872
CAS 50930-12-6C18H13N3OS
5-Benzylidene-2-(4-methylphenyl)(1,3)thiazolo(3,2-B)(1,2,4)triazol-6(5H)-one
CAS 606952-36-7C18H13N3OS
![N-[4-(1H-Benzimidazol-2-yl)phenyl]thiophene-2-carboxamide chemical structure, C18H13N3OS, CAS 330635-70-6](/s/ULVMGOVEIWGGKV-UHFFFAOYSA-N.svg)
N-[4-(1H-Benzimidazol-2-yl)phenyl]thiophene-2-carboxamide
CAS 330635-70-6C18H13N3OS
(2Z)-2-Cyano-2-(3,4-diphenyl-1,3-thiazol-2-ylidene)acetamide
CAS 34644-42-3C18H13N3OS
![2-([1,2,4]Triazolo[4,3-a]quinolin-1-ylthio)-1-phenylethanone chemical structure, C18H13N3OS, CAS 690961-51-4](/s/YHBZGJWBBXSWNK-UHFFFAOYSA-N.svg)
2-([1,2,4]Triazolo[4,3-a]quinolin-1-ylthio)-1-phenylethanone
CAS 690961-51-4C18H13N3OS
(2Z)-2-(4-Amino-3-phenyl-1,3-thiazol-2(3H)-ylidene)-3-oxo-3-phenylpropanenitrile
CAS 1164527-01-8C18H13N3OS
![N-[3-(1H-Benzimidazol-2-yl)phenyl]thiophene-2-carboxamide chemical structure, C18H13N3OS, CAS 333343-39-8](/s/GMHZPWWCORQHFK-UHFFFAOYSA-N.svg)
N-[3-(1H-Benzimidazol-2-yl)phenyl]thiophene-2-carboxamide
CAS 333343-39-8C18H13N3OS
![N-(4-Imidazo[2,1-b][1,3]thiazol-6-ylphenyl)benzamide chemical structure, C18H13N3OS, CAS 667910-99-8](/s/VAZOAORHOPZGEG-UHFFFAOYSA-N.svg)
N-(4-Imidazo[2,1-b][1,3]thiazol-6-ylphenyl)benzamide
CAS 667910-99-8C18H13N3OS
![N-(2-(1H-Benzo[d]imidazol-2-yl)phenyl)thiophene-2-carboxamide chemical structure, C18H13N3OS, CAS 313275-17-1](/s/GYEFNNRCSCNMIB-UHFFFAOYSA-N.svg)
N-(2-(1H-Benzo[d]imidazol-2-yl)phenyl)thiophene-2-carboxamide
CAS 313275-17-1C18H13N3OS
- 4-Cyano-N-(5-methyl-4-phenyl-1,3-thiazol-2-yl)benzamide313662-34-9C18H13N3OS
- (5Z)-5-Benzylidene-2-(2-methylphenyl)[1,3]thiazolo[3,2-b][1,2,4]triazol-6(5H)-one620557-39-3C18H13N3OS
- 12-(Quinolin-8-yloxy)-7-thia-9,11-diazatricyclo[6.4.0.0^{2,6}]dodeca-1(8),2(6),9,11-tetraene670270-48-1C18H13N3OS
- 6-Methyl-5-phenyl-2-pyridin-4-yl-3H-thieno[2,3-d]pyrimidin-4-one724746-13-8C18H13N3OS
- (Z)-2-[4-(4-Methoxyphenyl)-1,3-thiazol-2-yl]-3-pyridin-3-ylprop-2-enenitrile332162-63-7C18H13N3OS
- 1,3-Diphenyl-1H-thieno[2,3-c]pyrazole-5-carboxamide912912-49-3C18H13N3OS
- (E)-3-(4-(Methylthio)phenyl)-2-(4-oxo-3,4-dihydroquinazolin-2-yl)acrylonitrile620584-87-4C18H13N3OS
- (E)-1-((2-(Benzo[d]thiazol-2-yl)hydrazono)methyl)naphthalen-2-ol43093-97-6C18H13N3OS
- N-(5-Methyl-2,1,3-benzothiadiazol-4-yl)naphthalene-1-carboxamide347311-62-0C18H13N3OS
- N-(4-(4-Cyanophenyl)thiazol-2-yl)-4-methylbenzamide303797-02-6C18H13N3OS
- 5-[2-(4-Methylphenyl)quinolin-4-yl]-1,3,4-oxadiazole-2-thiol885459-97-2C18H13N3OS
- 5-(4-Methyl-benzylidene)-2-phenyl-thiazolo[3,2-b][1,2,4]triazol-6-one324070-70-4C18H13N3OS
- 3-(1H-Indol-1-yl)-N-(thiazol-2-yl)benzamide1226453-49-1C18H13N3OS
- 1-{[4-Phenyl-3-(1H-pyrrol-1-yl)-2-thienyl]carbonyl}-1H-pyrazole1779132-74-9C18H13N3OS
- N-(1,3-Benzothiazol-2-yl)-2-methylquinoline-4-carboxamide765279-56-9C18H13N3OS
- 1-[(6-Methylbenzothiazol-2-yl)azo]-2-naphthol14295-46-6C18H13N3OS
- 2-Amino-5-methyl-4-(2-thienyl)-4H-pyrano[3,2-c]quinoline-3-carbonitrile861208-28-8C18H13N3OS
- 5-Methylthio-2-(2-phenyl(4-quinolyl))-1,3,4-oxadiazole162664-11-1C18H13N3OS
- 3-(Thiophen-2-yl)-3,4-dihydrobenzimidazo[2,1-b]quinazolin-1(2H)-one777867-50-2C18H13N3OS
- (5Z)-5-Benzylidene-2-(3-methylphenyl)[1,3]thiazolo[3,2-b][1,2,4]triazol-6(5H)-one577768-20-8C18H13N3OS
- 7-(Benzylsulfanyl)-2-phenyl[1,3]oxazolo[5,4-d]pyrimidine33360-28-0C18H13N3OS
- N-[4-(4-Cyanophenyl)-1,3-thiazol-2-yl]-2-methylbenzamide313366-23-3C18H13N3OS
- 3-Cyano-N-(2-(2-methylthiazol-4-yl)phenyl)benzamide1796947-22-2C18H13N3OS
- (2-Phenyl-5-quinoxalin-2-yl-1,3-thiazol-4-yl)methanol80269-34-7C18H13N3OS
- 5-Phenyl-2-(4-phenyl-1,3-thiazol-2-yl)-1H-pyrazol-3-one415689-44-0C18H13N3OS
- 2-((Naphthalen-1-ylmethyl)thio)-4H-pyrido[1,2-a][1,3,5]triazin-4-one896331-37-6C18H13N3OS
- 3-Cyano-N-((2-(thiophen-3-yl)pyridin-4-yl)methyl)benzamide2034254-68-5C18H13N3OS
- N-(2-(Imidazo[1,2-a]pyridin-2-yl)phenyl)thiophene-3-carboxamide2034327-67-6C18H13N3OS
- N-[2-(Thiophen-2-yl)imidazo[1,2-A]pyridin-3-yl]benzamide429641-10-1C18H13N3OS
- (5E)-5-(1H-Indol-3-ylmethylene)-2-mercapto-3-phenyl-3,5-dihydro-4H-imidazol-4-one51514-35-3C18H13N3OS
- 2-Propenamide, 2-cyano-N-(4-methyl-2-benzothiazolyl)-3-phenyl-160893-89-0C18H13N3OS
- Benzonitrile, 4-[3-[(4-cyanophenyl)methyl]-4-oxo-2-thiazolidinyl]-918538-41-7C18H13N3OS
- 4-(Methylsulfanyl)-6-oxo-1,2-diphenyl-1,6-dihydropyrimidine-5-carbonitrile97242-69-8C18H13N3OS
- N-(2-Phenoxyphenyl)thieno[2,3-d]pyrimidin-4-amine917909-10-5C18H13N3OS
- 3-{[5-(4-Methylbenzoyl)-1,3-thiazol-2-yl]amino}benzonitrile660856-33-7C18H13N3OS
- (5E)-5-(1H-Indol-6-ylmethylene)-2-mercapto-3-phenyl-3,5-dihydro-4H-imidazol-4-one1142201-54-4C18H13N3OS
- 1-[2-(5-Methyl-2-benzothiazolyl)diazenyl]-2-naphthalenol10196-55-1C18H13N3OS
- (Benzylsulfanyl)(2-oxo-2,3-dihydro-1H-indol-3-yl)propanedinitrile138590-09-7C18H13N3OS
- 5-(6-Methyl-2-phenylquinolin-4-yl)-1,3,4-oxadiazole-2(3H)-thione90074-17-2C18H13N3OS
- (5E)-5-(1H-Indol-5-ylmethylene)-2-mercapto-3-phenyl-3,5-dihydro-4H-imidazol-4-one1142201-53-3C18H13N3OS
- 2-[(Quinolin-2-ylsulfanyl)methyl]-3,4-dihydroquinazolin-4-one2460756-05-0C18H13N3OS
Frequently asked questions
What is the molar mass of C18H13N3OS?
The molar mass of C18H13N3OS is 319.38 g/mol, calculated from standard atomic weights for 18 carbon atoms, 13 hydrogen atoms, 3 nitrogen atoms, 1 oxygen atom and 1 sulfur atom. The monoisotopic mass is 319.0779 Da.
How many compounds have the formula C18H13N3OS?
CompoundList lists 65 compounds with the molecular formula C18H13N3OS, including 4-Amino-2-anilino-5-benzoyl-3-thiophenecarbonitrile, N-(6-Phenyl-5-imidazo[2,1-b]thiazolyl)benzamide, 2-(4-Methylphenyl)-3-(1,3-thiazol-2-yl)quinazolin-4(3H)-one. 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 C18H13N3OS?
C18H13N3OS 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.