Molecular formula
C18H15N3OS
88 compounds have this formula on CompoundList.
- Molar mass
- 321.40g/mol
- Monoisotopic mass
- 321.0936Da
- Atoms
- 38
- Elements
- 5
- Rings plus double bonds
- 13
The formula C18H15N3OS describes a molecule made of 18 carbon atoms, 15 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 × 1867.27%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 154.70%1.008 × 15 = 15.120 g/mol
- N Nitrogen × 313.07%14.007 × 3 = 42.021 g/mol
- O Oxygen × 14.98%15.999 × 1 = 15.999 g/mol
- S Sulfur × 19.98%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C18H15N3OS
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 88 of 88 compounds
2-Hydroxy-1-naphthaldehyde N-phenylthiosemicarbazone
CAS 663617-20-7C18H15N3OS
1-(4-Phenoxyphenyl)-3-pyridin-3-ylthiourea
CAS 502895-01-4C18H15N3OS
![5,6-Dimethyl-4-((2-methylquinolin-8-yl)oxy)thieno[2,3-d]pyrimidine chemical structure, C18H15N3OS, CAS 315683-50-2](/s/TZQGBSBKHOSTFV-UHFFFAOYSA-N.svg)
5,6-Dimethyl-4-((2-methylquinolin-8-yl)oxy)thieno[2,3-d]pyrimidine
CAS 315683-50-2C18H15N3OS
5-(1-Benzofuran-2-yl)-N-benzyl-6H-1,3,4-thiadiazin-2-amine
CAS 851458-34-9C18H15N3OS
2-((6-(Pyridin-4-yl)pyridazin-3-yl)thio)-1-(p-tolyl)ethanone
CAS 896058-21-2C18H15N3OS
![3-(2,5-Dimethylpyrrol-1-yl)-6-phenylthieno[2,3-d]pyrimidin-4-one chemical structure, C18H15N3OS, CAS 315696-33-4](/s/QBJMILOEJHLDCC-UHFFFAOYSA-N.svg)
3-(2,5-Dimethylpyrrol-1-yl)-6-phenylthieno[2,3-d]pyrimidin-4-one
CAS 315696-33-4C18H15N3OS
![3-(2-Furyl)-4-methyl-5-[(1-naphthylmethyl)thio]-4H-1,2,4-triazole chemical structure, C18H15N3OS, CAS 577985-70-7](/s/CEKDQGJKJXMXCT-UHFFFAOYSA-N.svg)
3-(2-Furyl)-4-methyl-5-[(1-naphthylmethyl)thio]-4H-1,2,4-triazole
CAS 577985-70-7C18H15N3OS
![2-Cyclopropyl-N-[(E)-thiophen-2-ylmethylideneamino]quinoline-4-carboxamide chemical structure, C18H15N3OS, CAS 343358-63-4](/s/BAJHGGSKEYJGLC-YBFXNURJSA-N.svg)
2-Cyclopropyl-N-[(E)-thiophen-2-ylmethylideneamino]quinoline-4-carboxamide
CAS 343358-63-4C18H15N3OS
![(2E,5Z)-5-[(2E)-2-Methyl-3-phenylprop-2-en-1-ylidene]-2-(pyridin-3-ylimino)-1,3-thiazolidin-4-one chemical structure, C18H15N3OS, CAS 464197-75-9](/s/XQWFQRNOZYZXFI-VKDWSQHSSA-N.svg)
(2E,5Z)-5-[(2E)-2-Methyl-3-phenylprop-2-en-1-ylidene]-2-(pyridin-3-ylimino)-1,3-thiazolidin-4-one
CAS 464197-75-9C18H15N3OS
2-(1H-Benzimidazol-2-ylsulfanyl)-1-(2-methyl-1H-indol-3-yl)ethanone
CAS 700852-38-6C18H15N3OS
1-(4-Methylphenyl)-2-(6-pyridin-3-ylpyridazin-3-yl)sulfanylethanone
CAS 894003-45-3C18H15N3OS
![5-[(4-Methylbenzyl)sulfanyl]imidazo[1,2-c]quinazolin-2(3H)-one chemical structure, C18H15N3OS, CAS 478046-22-9](/s/BGCMRVYUUBZKTN-UHFFFAOYSA-N.svg)
5-[(4-Methylbenzyl)sulfanyl]imidazo[1,2-c]quinazolin-2(3H)-one
CAS 478046-22-9C18H15N3OS
N-Benzoyl-N'-(7-methyl-8-quinolinyl)thiourea
CAS 866038-83-7C18H15N3OS
N-Benzoyl-N'-(6-methyl-5-quinolinyl)thiourea
CAS 866038-86-0C18H15N3OS
![N-[(2-Methylquinolin-5-yl)carbamothioyl]benzamide chemical structure, C18H15N3OS, CAS 839691-09-7](/s/YTOSMBGGTFNHPI-UHFFFAOYSA-N.svg)
N-[(2-Methylquinolin-5-yl)carbamothioyl]benzamide
CAS 839691-09-7C18H15N3OS
2-(1-Naphthoyl)-N-phenylhydrazinecarbothioamide
CAS 292644-10-1C18H15N3OS
![2-(Methylthio)-3-(p-tolyl)-3H-pyrimido[5,4-b]indol-4(5H)-one chemical structure, C18H15N3OS, CAS 536704-92-4](/s/GFSDVLJBDFJXPP-UHFFFAOYSA-N.svg)
2-(Methylthio)-3-(p-tolyl)-3H-pyrimido[5,4-b]indol-4(5H)-one
CAS 536704-92-4C18H15N3OS
![N-(Furan-2-ylmethyl)-2-methyl-6-phenylthieno[2,3-d]pyrimidin-4-amine chemical structure, C18H15N3OS, CAS 670270-85-6](/s/LWDRPVQOKYVHEL-UHFFFAOYSA-N.svg)
N-(Furan-2-ylmethyl)-2-methyl-6-phenylthieno[2,3-d]pyrimidin-4-amine
CAS 670270-85-6C18H15N3OS
(3,5-Dimethyl-1H-pyrazol-1-yl)(10H-phenothiazin-10-yl)methanone
CAS 374919-89-8C18H15N3OS
![2-(4-(Benzo[d]thiazol-2-yl)-1H-pyrazol-3-yl)-3,5-dimethylphenol chemical structure, C18H15N3OS, CAS 510766-52-6](/s/NGGFHTISJBXFMZ-UHFFFAOYSA-N.svg)
2-(4-(Benzo[d]thiazol-2-yl)-1H-pyrazol-3-yl)-3,5-dimethylphenol
CAS 510766-52-6C18H15N3OS
![2-(Benzylthio)-3-methyl-3H-pyrimido[5,4-b]indol-4(5H)-one chemical structure, C18H15N3OS, CAS 537668-28-3](/s/OJTFXQXAGARZQQ-UHFFFAOYSA-N.svg)
2-(Benzylthio)-3-methyl-3H-pyrimido[5,4-b]indol-4(5H)-one
CAS 537668-28-3C18H15N3OS
![N-(2-Phenyl-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)benzamide chemical structure, C18H15N3OS, CAS 361168-30-1](/s/JUVHZESVNFKRLS-UHFFFAOYSA-N.svg)
N-(2-Phenyl-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)benzamide
CAS 361168-30-1C18H15N3OS
2-((5-(4-Methoxyphenyl)-1-phenyl-1H-imidazol-2-yl)thio)acetonitrile
CAS 1207040-19-4C18H15N3OS
Lissoclinidine B
CAS 1103634-58-7C18H15N3OS
- 1 suppliersPhenylthiohydantoin-DL-tryptophan5789-24-2C18H15N3OS
- 4-Cyano-N-(3,4,7-trimethyl-1,3-benzothiazol-2-ylidene)benzamide868369-38-4C18H15N3OS
- (E)-2-((1-Methyl-2-oxoindolin-3-ylidene)amino)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carbonitrileC18H15N3OS
- 1-[5-(Quinolin-6-yl)-3-(thiophen-2-yl)-4,5-dihydro-1H-pyrazol-1-yl]ethan-1-one877139-97-4C18H15N3OS
- 4-Methyl-2-(pyridin-3-ylmethylamino)benzo[e][1,3]benzothiazol-5-ol145096-28-2C18H15N3OS
- 2-(2-Methylimidazol-1-yl)-1-phenothiazin-10-ylethanone351337-21-8C18H15N3OS
- 12-(Thiophen-2-yl)-3,4,5,12-tetrahydrobenzimidazo[2,1-b]quinazolin-1(2H)-one669718-35-8C18H15N3OS
- 3-Amino-4,6-dimethyl-5-(2-oxo-2-phenylethyl)thieno[2,3-b]pyridine-2-carbonitrile5911-57-9C18H15N3OS
- 2-{[(3E)-1-Methyl-2-oxo-1,2-dihydro-3H-indol-3-ylidene]amino}-4,5,6,7-tetrahydro-1-benzothiophene-3-carbonitrile324022-74-4C18H15N3OS
- 3-(2,5-Dimethyl-1H-pyrrol-1-yl)-5-phenylthieno[2,3-d]pyrimidin-4(3H)-one305853-15-0C18H15N3OS
- 2,3-Dihydro-3-[2-(1H-indol-3-yl)ethyl]-2-thioxo-4(1H)-quinazolinone361150-64-3C18H15N3OS
- 1-(5-(Quinolin-8-yl)-3-(thiophen-2-yl)-4,5-dihydro-1H-pyrazol-1-yl)ethanone920480-55-3C18H15N3OS
- 2-Ethylsulfanyl-3-phenyl-5H-pyrimido[5,4-b]indol-4-one536703-98-7C18H15N3OS
- (E)-N-(4-(Phenyldiazenyl)phenyl)-2-(thiophen-2-yl)acetamide524688-98-0C18H15N3OS
- (E)-2-(4-(2-Methoxyphenyl)thiazol-2-yl)-2-(1-methylpyridin-2(1H)-ylidene)acetonitrile1046768-33-5C18H15N3OS
- 4(5H)-Thiazolone, 2-((5-methyl-2-phenyl-1H-indol-3-yl)amino)-126193-48-4C18H15N3OS
- (2E)-2-(1,3-Benzothiazol-2-yl)-3-[(2-methoxy-5-methylphenyl)amino]prop-2-enenitrile577995-94-9C18H15N3OS
- (2E)-2-(1,3-Benzothiazol-2-yl)-3-[(4-ethoxyphenyl)amino]prop-2-enenitrile637748-73-3C18H15N3OS
- (2E)-2-(1,3-Benzothiazol-2-yl)-3-[(2-ethoxyphenyl)amino]prop-2-enenitrile637748-82-4C18H15N3OS
- 5-Methyl-9,10,11,12-tetrahydro-8H-benzo[4',5']thieno[2',3':4,5]pyrimido[2,1-a]phthalazin-8-one134478-40-3C18H15N3OS
- 2-(Phenylamino)-7-(2-thienyl)-6,7,8-trihydroquinazolin-5-one924866-40-0C18H15N3OS
- 2-(1H-Indol-1-yl)-N-(2-methylbenzo[d]thiazol-5-yl)acetamide1206999-22-5C18H15N3OS
- Thiazolo(3,2-a)benzimidazol-3(2H)-one, 2-((4-(dimethylamino)phenyl)methylene)-23983-04-2C18H15N3OS
- N-[(6-Methylpyridin-2-yl)carbamothioyl]naphthalene-1-carboxamide428850-95-7C18H15N3OS
- (E)-N-(5-Methyl-1,3,4-thiadiazol-2-yl)-2,3-diphenylprop-2-enamide587843-42-3C18H15N3OS
- 3(2H)-Pyridazinone, 4,5-dihydro-2-(6-methyl-2-benzothiazolyl)-6-phenyl-112518-01-1C18H15N3OS
- 2-(4-Methylphenyl)-5-phenyl-5,6-dihydro-7H-[1,2,4]triazolo[5,1-b][1,3]thiazin-7-one385787-73-5C18H15N3OS
- 4-Cyano-N-(3-cyano-5-methyl-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)benzamide328539-91-9C18H15N3OS
- 2-Benzylsulfanyl-5-(1H-indol-3-ylmethyl)-1,3,4-oxadiazole693234-31-0C18H15N3OS
- 4-[(4,5-Diphenyl-4H-1,2,4-triazol-3-yl)sulfanyl]-2-butyn-1-ol893636-81-2C18H15N3OS
- (7,8-Dihydropyrido[4,3-d]pyrimidin-6(5H)-yl)(4-(thiophen-3-yl)phenyl)methanone1705923-64-3C18H15N3OS
- Benzo[b]thiophen-2-yl((5R,8S)-6,7,8,9-tetrahydro-5H-5,8-epiminocyclohepta[d]pyrimidin-10-yl)methanone2058730-93-9C18H15N3OS
- N-[(3-Methylpyridin-2-yl)carbamothioyl]naphthalene-1-carboxamide428503-28-0C18H15N3OS
- 1-(4-Phenoxyphenyl)-3-pyridin-2-ylthiourea693254-94-3C18H15N3OS
- (2E)-1-(4-Methyl-2-phenyl-1,3-thiazol-5-yl)-3-[(pyridin-3-yl)amino]prop-2-en-1-one478047-36-8C18H15N3OS
- N-[(3-Methylthiophen-2-yl)methyl]-4-([1,3]oxazolo[4,5-b]pyridin-2-yl)aniline879070-65-2C18H15N3OS
- 4-Cyano-N-(6-isopropylbenzo[d]thiazol-2-yl)benzamide892856-38-1C18H15N3OS
- 3-(2-Methylphenyl)-2-methylsulfanyl-5H-pyrimido[5,4-b]indol-4-one888435-88-9C18H15N3OS
- (2E)-1-[4-Methyl-2-(pyridin-3-yl)-1,3-thiazol-5-yl]-3-(phenylamino)prop-2-en-1-one1823194-61-1C18H15N3OS
- (E)-N-([2,3'-Bipyridin]-3-ylmethyl)-3-(thiophen-2-yl)acrylamide1904616-48-3C18H15N3OS
- (5S)-5-[(1H-Indol-3-yl)methyl]-3-phenyl-2-sulfanylideneimidazolidin-4-one29635-97-0C18H15N3OS
- 5-[(2-Methylbenzyl)sulfanyl]imidazo[1,2-c]quinazolin-2(3H)-one478046-11-6C18H15N3OS
- (7Z)-7-Benzylidene-3-phenyl-2,4-dihydro-[1,3]thiazolo[3,2-a][1,3,5]triazin-6-one1334176-95-2C18H15N3OS
- 4-Cyano-N-(3,5,7-trimethyl-1,3-benzothiazol-2-ylidene)benzamide868369-37-3C18H15N3OS
- (Z)-3-Phenyl-N-(5-(m-tolyl)-1,3,4-thiadiazol-2-yl)acrylamide392241-07-5C18H15N3OS
- (7,8-Dihydropyrido[4,3-d]pyrimidin-6(5H)-yl)(4-(thiophen-2-yl)phenyl)methanone1797982-61-6C18H15N3OS
- (E)-N-(2-(2-Methylthiazol-4-yl)phenyl)-3-(pyridin-3-yl)acrylamide1798419-07-4C18H15N3OS
- (E)-N-([2,3'-Bipyridin]-4-ylmethyl)-3-(thiophen-2-yl)acrylamide2035007-78-2C18H15N3OS
- 5-[(4-Methylphenyl)methyl]-2-(thiophen-2-yl)-4H,5H-pyrazolo[1,5-a]pyrazin-4-one1359207-62-7C18H15N3OS
- 2-(Methoxymethyl)-3-phenyl-7-(3-thienyl)pyrazolo[1,5-a]pyrimidine1324077-32-8C18H15N3OS
- 3-(1,3-Benzothiazol-2-yl)-N-(1H-indol-6-yl)propanamide1324092-35-4C18H15N3OS
- 3-(1,3-Benzothiazol-2-yl)-N-(1H-indol-5-yl)propanamide1324059-15-5C18H15N3OS
- 5-Amino-4-benzothiazol-2-yl-1-p-tolyl-1,3-dihydro-pyrrol-2-one885460-76-4C18H15N3OS
- 3-(6-Methoxy-pyridin-2-ylmethyl)-4-thiophen-3-yl-1H-pyrrolo[2,3-b]pyridine858116-78-6C18H15N3OS
- N-[[(2-Methyl-4-quinolinyl)amino]thioxomethyl]benzamide96938-59-9C18H15N3OS
- 2-((1-(3-Methoxyphenyl)-5-phenyl-1H-imidazol-2-yl)thio)acetonitrile871212-04-3C18H15N3OS
- 2-Thiophenecarboxamide, 3-methyl-N-[4-(2-phenyldiazenyl)phenyl]-76655-98-6C18H15N3OS
- 4-({1-[(1-Benzothiophen-3-yl)methyl]azetidin-3-yl}oxy)pyridine-2-carbonitrile2877648-27-4C18H15N3OS
- 1-[(2-Hydroxyphenyl)methylideneamino]-3-naphthalen-1-ylthiourea6964-81-4C18H15N3OS
- 1-(4-Hydroxy-3-methylnaphthalen-1-yl)imino-3-phenylthiourea66655-19-4C18H15N3OS
- 1-[(E)-(2-Hydroxyphenyl)methylideneamino]-3-naphthalen-1-ylthioureaC18H15N3OS
- 5-Amino-4-(1,3-benzothiazol-2-yl)-1-(4-methylphenyl)-2,3-dihydro-1H-pyrrol-2-oneC18H15N3OS
- (S)-5-((1H-Indol-2-yl)methyl)-3-phenyl-2-thioxoimidazolidin-4-one139614-40-7C18H15N3OS
- 4-(3H-1,3-Benzothiazol-2-ylidene)-5-imino-1-(4-methylphenyl)pyrrolidin-2-oneC18H15N3OS
Frequently asked questions
What is the molar mass of C18H15N3OS?
The molar mass of C18H15N3OS is 321.40 g/mol, calculated from standard atomic weights for 18 carbon atoms, 15 hydrogen atoms, 3 nitrogen atoms, 1 oxygen atom and 1 sulfur atom. The monoisotopic mass is 321.0936 Da.
How many compounds have the formula C18H15N3OS?
CompoundList lists 88 compounds with the molecular formula C18H15N3OS, including 2-Hydroxy-1-naphthaldehyde N-phenylthiosemicarbazone, 1-(4-Phenoxyphenyl)-3-pyridin-3-ylthiourea, 5,6-Dimethyl-4-((2-methylquinolin-8-yl)oxy)thieno[2,3-d]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 C18H15N3OS?
C18H15N3OS 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.