Molecular formula
C18H18N2OS
205 compounds have this formula on CompoundList.
- Molar mass
- 310.42g/mol
- Monoisotopic mass
- 310.1140Da
- Atoms
- 40
- Elements
- 5
- Rings plus double bonds
- 11
The formula C18H18N2OS describes a molecule made of 18 carbon atoms, 18 hydrogen atoms, 2 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 × 1869.65%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 185.85%1.008 × 18 = 18.144 g/mol
- N Nitrogen × 29.02%14.007 × 2 = 28.014 g/mol
- O Oxygen × 15.15%15.999 × 1 = 15.999 g/mol
- S Sulfur × 110.33%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C18H18N2OS
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 200 of 205 compounds
![2-[(2-Methyl-1H-indol-3-yl)sulfanyl]-N-(4-methylphenyl)acetamide chemical structure, C18H18N2OS, CAS 536701-86-7](/s/APPPHFYTVMSEMS-UHFFFAOYSA-N.svg)
2-[(2-Methyl-1H-indol-3-yl)sulfanyl]-N-(4-methylphenyl)acetamide
CAS 536701-86-7C18H18N2OS
![2,2-Diphenyl-N-[(E)-thiolan-3-ylideneamino]acetamide chemical structure, C18H18N2OS, CAS 351154-77-3](/s/QLZLPOUXKDMGSZ-KNTRCKAVSA-N.svg)
2,2-Diphenyl-N-[(E)-thiolan-3-ylideneamino]acetamide
CAS 351154-77-3C18H18N2OS
![2-(3,4-Dihydroisoquinolin-2(1H)-yl)-6-ethoxybenzo[d]thiazole chemical structure, C18H18N2OS, CAS 863001-02-9](/s/MKSMBEKZQUUFNT-UHFFFAOYSA-N.svg)
2-(3,4-Dihydroisoquinolin-2(1H)-yl)-6-ethoxybenzo[d]thiazole
CAS 863001-02-9C18H18N2OS
1-Benzyl-5-(4-methoxyphenyl)-2-(methylthio)-1H-imidazole
CAS 1207042-55-4C18H18N2OS
1-(Naphthalen-1-ylmethyl)-3-(2-(thiophen-3-yl)ethyl)urea
CAS 1251685-09-2C18H18N2OS
(1)Benzothieno(2,3-d)pyrimidin-4-one, 5,6,7,8-tetrahydro-2-methyl-3-(p-tolyl)-
CAS 34387-07-0C18H18N2OS
![(E)-N-[(3,4-Dimethylphenyl)carbamothioyl]-3-phenylprop-2-enamide chemical structure, C18H18N2OS, CAS 347314-48-1](/s/FZRMLQOOPDZLEF-PKNBQFBNSA-N.svg)
(E)-N-[(3,4-Dimethylphenyl)carbamothioyl]-3-phenylprop-2-enamide
CAS 347314-48-1C18H18N2OS
N-(4-tert-Butyl-1,3-thiazol-2-yl)naphthalene-2-carboxamide
CAS 325988-16-7C18H18N2OS
4-(4-Methoxyphenyl)-N-phenethylthiazol-2-amine
CAS 745735-85-7C18H18N2OS
4-(1,3-Benzothiazol-2-yl)-N-(4-methylphenyl)butanamide
CAS 950132-36-2C18H18N2OS
4-(2-Methylphenyl)-2-methylsulfanyl-5-oxo-4,6,7,8-tetrahydro-1H-quinoline-3-carbonitrile
CAS 383892-06-6C18H18N2OS
![N-(3-Pyridinylmethyl)-N-[4-(2-thienylmethoxy)benzyl]amine chemical structure, C18H18N2OS, CAS 880813-75-2](/s/IUHUTTRDPJPGER-UHFFFAOYSA-N.svg)
N-(3-Pyridinylmethyl)-N-[4-(2-thienylmethoxy)benzyl]amine
CAS 880813-75-2C18H18N2OS
(2-(Benzylthio)-4,5-dihydro-1H-imidazol-1-yl)(o-tolyl)methanone
CAS 851863-70-2C18H18N2OS
5-tert-Butyl-2-phenyl-4-(thiophen-2-ylmethylidene)pyrazol-3-one
CAS 1020251-97-1C18H18N2OS
5-(4-Ethoxyphenyl)-3-(3-methylphenyl)-1H-imidazole-2-thione
CAS 688791-34-6C18H18N2OS
N-(4-(Naphthalen-2-yl)thiazol-2-yl)pentanamide
CAS 321555-27-5C18H18N2OS
Benzamide, N-2-benzothiazolyl-4-butyl-
CAS 200726-42-7C18H18N2OS
2-((1-(2-Methylbenzyl)-1H-indol-3-yl)thio)acetamide
CAS 851412-60-7C18H18N2OS
2-Methyl-3-(3-methylphenyl)-2,3,5,6-tetrahydro-4H-2,6-methano-1,3,5-benzoxadiazocine-4-thione
CAS 702655-55-8C18H18N2OS
1-(2,4-Dimethylphenyl)-5-(4-methoxyphenyl)-1H-imidazole-2-thiol
CAS 794554-71-5C18H18N2OS
![(E)-N-[(2,6-Dimethylphenyl)carbamothioyl]-3-phenylprop-2-enamide chemical structure, C18H18N2OS, CAS 347319-83-9](/s/OTFIGCOBFADODT-VAWYXSNFSA-N.svg)
(E)-N-[(2,6-Dimethylphenyl)carbamothioyl]-3-phenylprop-2-enamide
CAS 347319-83-9C18H18N2OS
(4Z)-5-tert-Butyl-2-phenyl-4-(thiophen-3-ylmethylidene)pyrazol-3-one
CAS 1025206-25-0C18H18N2OS
(1H-Indol-2-yl)(4-(thiophen-2-yl)piperidin-1-yl)methanone
CAS 1797617-84-5C18H18N2OS
![N-Cyclopropyl-N-((1-methyl-1H-pyrrol-2-yl)methyl)benzo[b]thiophene-2-carboxamide chemical structure, C18H18N2OS, CAS 2034209-22-6](/s/OPZDBGSUICDFIX-UHFFFAOYSA-N.svg)
N-Cyclopropyl-N-((1-methyl-1H-pyrrol-2-yl)methyl)benzo[b]thiophene-2-carboxamide
CAS 2034209-22-6C18H18N2OS
- 2-Methyl-4-(4-methylphenoxy)-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidine304684-62-6C18H18N2OS
- N-(4-Acetylphenyl)-3,4-dihydro-1H-isoquinoline-2-carbothioamide637325-86-1C18H18N2OS
- N-[2-(1,3-Benzothiazol-2-yl)phenyl]pentanamide477569-47-4C18H18N2OS
- N-Butyl-2-thiophen-2-ylquinoline-4-carboxamide362589-45-5C18H18N2OS
- N-(2-((2-Phenyl-1H-indol-3-yl)thio)ethyl)acetamide850916-51-7C18H18N2OS
- (Z)-N-(3,4-Dimethylbenzo[d]thiazol-2(3H)-ylidene)-2,5-dimethylbenzamide865593-52-8C18H18N2OS
- N-(3,4-Dimethyl-1,3-benzothiazol-2-ylidene)-2,4-dimethylbenzamide865593-54-0C18H18N2OS
- (5,6-Dimethylbenzimidazol-1-yl)-(2-ethylsulfanylphenyl)methanone663187-77-7C18H18N2OS
- 1-(5,6-Dimethylbenzimidazol-1-yl)-3-phenylsulfanylpropan-1-one827619-38-5C18H18N2OS
- (2-Benzylsulfanyl-4,5-dihydroimidazol-1-yl)-(4-methylphenyl)methanone851863-72-4C18H18N2OS
- N-(3-Cyano-5-methyl-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)-4-methylbenzamide475044-40-7C18H18N2OS
- N-(3-Cyano-5-methyl-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)-3-methylbenzamide391221-61-7C18H18N2OS
- N-(3-Cyano-5-methyl-4,5,6,7-tetrahydrobenzo[b]thiophen-2-yl)-2-methylbenzamide391221-64-0C18H18N2OS
- (2-((3-Methylbenzyl)thio)-4,5-dihydro-1H-imidazol-1-yl)(phenyl)methanone851803-17-3C18H18N2OS
- 3-Ethyl-2-[[(2-methylphenyl)methyl]thio]-4(3H)-quinazolinone850349-87-0C18H18N2OS
- (2-((4-Methylbenzyl)thio)-4,5-dihydro-1H-imidazol-1-yl)(phenyl)methanone851804-82-5C18H18N2OS
- (2-(Benzylthio)-4,5-dihydro-1H-imidazol-1-yl)(m-tolyl)methanone851863-71-3C18H18N2OS
- (4Z)-2-(4-Ethylphenyl)-5-methyl-4-[(5-methylthiophen-2-yl)methylidene]pyrazol-3-one445459-39-2C18H18N2OS
- N-(3-Cyano-4,5-dimethylthiophen-2-yl)-5,6,7,8-tetrahydronaphthalene-2-carboxamide896303-84-7C18H18N2OS
- 2-(2,4-Dimethylphenyl)-N-(2-methylbenzo[d]thiazol-5-yl)acetamide899731-55-6C18H18N2OS
- (Z)-2-(4-Phenyl-2-(p-tolylimino)thiazol-3(2H)-yl)ethanol905784-36-3C18H18N2OS
- 2-(9H-Carbazol-2-yl)-1-(morpholin-4-yl)ethane-1-thione61317-36-0C18H18N2OS
- N-[2-(2-Methyl-1,3-thiazol-4-yl)ethyl]-2-(naphthalen-1-yl)acetamide912897-57-5C18H18N2OS
- 5-(4-Methoxyphenyl)-2-(methylthio)-1-(p-tolyl)-1H-imidazole1207010-50-1C18H18N2OS
- 5-(4-Methoxyphenyl)-2-(methylthio)-1-(o-tolyl)-1H-imidazole1207045-15-5C18H18N2OS
- 2-[(4-tert-Butylphenyl)sulfanyl]quinazolin-4(1H)-one6956-64-5C18H18N2OS
- 5-Methyl-3-(2-methylphenyl)-2-(2-methylphenyl)imino-1,3-thiazolidin-4-one87000-57-5C18H18N2OS
- 2-[(2,4-Dimethylphenyl)methylsulfanyl]-5-(4-methylphenyl)-1,3,4-oxadiazole371951-69-8C18H18N2OS
- 3-(3-Methylphenyl)-2-propan-2-ylsulfanylquinazolin-4-one25477-35-4C18H18N2OS
- 2-Phenethyl-5,6,7,8-tetrahydro-3H-benzo[4,5]thieno[2,3-d]pyrimidin-4-one693798-31-1C18H18N2OS
- 1-Imidazoleethanol, beta-methyl-alpha-(p-phenylthiophenyl)-73941-95-4C18H18N2OS
- 4H-Pyrrolo(1,2-a)thieno(3,2-f)(1,4)diazepine, 5,6-dihydro-6-(3-methoxyphenyl)-3-methyl-137052-97-2C18H18N2OS
- 4H-Pyrrolo(1,2-a)thieno(3,2-f)(1,4)diazepine, 5,6-dihydro-6-(4-methoxyphenyl)-3-methyl-137052-98-3C18H18N2OS
- (E)-3-Methyl-N-(3,4,6-trimethylbenzo[d]thiazol-2(3H)-ylidene)benzamide681156-37-6C18H18N2OS
- (E)-4-Methyl-N-(3,4,6-trimethylbenzo[d]thiazol-2(3H)-ylidene)benzamide681156-31-0C18H18N2OS
- N-(Pyridin-4-ylmethyl)-1-[4-(thiophen-2-ylmethoxy)phenyl]methanamine892588-51-1C18H18N2OS
- (Z)-N-(3-Allylnaphtho[2,1-d]thiazol-2(3H)-ylidene)isobutyramide1321657-97-9C18H18N2OS
- 3-(1,3-Benzothiazol-2-yl)-N-(2-phenylethyl)propanamide924118-77-4C18H18N2OS
- 2-(Ethylthio)-5-(4-methoxyphenyl)-1-phenyl-1H-imidazole1206990-14-8C18H18N2OS
- 2,5-Diphenyl-4-(3-sulfanylpropyl)-2,4-dihydro-3H-pyrazol-3-one7767-87-5C18H18N2OS
- (E)-N-[(2,5-Dimethylphenyl)carbamothioyl]-3-phenylprop-2-enamide425400-83-5C18H18N2OS
- (E)-N-[(3,5-Dimethylphenyl)carbamothioyl]-3-phenylprop-2-enamide364742-93-8C18H18N2OS
- N-Cyclohexylthieno[2,3-b]quinoline-2-carboxamide439111-77-0C18H18N2OS
- N-(4,5-Dimethylbenzo[d]thiazol-2-yl)-3-phenylpropanamide888409-78-7C18H18N2OS
- 2-Amino-6,7-dihydro-7,7-dimethyl-5-[2-(5-methyl-2-furanyl)ethenyl]benzo[b]thiophene-3-carbonitrile733044-94-5C18H18N2OS
- N-(4-Ethylphenyl)-2-(1H-indol-3-ylsulfanyl)acetamide862825-83-0C18H18N2OS
- N-(1-Cyano-1-cyclopropylethyl)-2-(naphthalen-2-ylsulfanyl)acetamide852558-67-9C18H18N2OS
- 3-tert-Butyl-1-phenyl-4-[(thiophen-2-yl)methylidene]-4,5-dihydro-1H-pyrazol-5-oneC18H18N2OS
- N-(5,6-Dimethyl-2-benzothiazolyl)-3,4-dimethylbenzamide886927-73-7C18H18N2OS
- N-(Cyanomethyl)-2-[(2,4-dimethylphenyl)sulfanyl]-N-phenylacetamide1180833-51-5C18H18N2OS
- Acetophenone, 4'-(phenylthio)-2-(1-pyrrolidinylimino)-25555-26-4C18H18N2OS
- N-(2-Methylbenzothiazol-5-yl)-4-propylbenzamide790690-09-4C18H18N2OS
- Thiourea, N-(2,2-dimethyl-2H-1-benzopyran-6-yl)-N'-phenyl-896111-42-5C18H18N2OS
- Ethanethioic acid, S-[[4-(di-1H-pyrrol-2-ylmethyl)phenyl]methyl] ester632301-59-8C18H18N2OS
- N-(Benzo[d]thiazol-6-yl)-4-(tert-butyl)benzamide923069-83-4C18H18N2OS
- 3-(4-(4-Ethoxy-2-methylphenyl)thiazol-2-yl)aniline1416344-70-1C18H18N2OS
- (2E)-N-[2-(1-Methyl-1H-indol-5-yl)ethyl]-3-(thiophen-3-yl)prop-2-enamide2097939-66-5C18H18N2OS
- 2-(4-Methylanilino)-5-(2-phenylethyl)-1,3-thiazol-4(5H)-one919364-96-8C18H18N2OS
- 5-Ethyl-6-methyl-2-((naphthalen-1-ylmethyl)thio)pyrimidin-4(3H)-one899991-19-6C18H18N2OS
- 2-(1,2-Benzoxazol-3-yl)-N-(2-phenylpropan-2-yl)ethanethioamide100695-75-8C18H18N2OS
- Phenylspiro[benzothiazole-2(3H),4a(2)-piperidin]-1a(2)-ylmethanone63208-96-8C18H18N2OS
- 2-{[(4-Methoxy-3,5-dimethylpyridin-2-yl)methyl]sulfanyl}quinoline113942-61-3C18H18N2OS
- 4,4-Dimethyl-1-(4-phenoxyphenyl)-1,4-dihydropyrimidine-2-thiol1142212-97-2C18H18N2OS
- 3-Cyclohexyl-7-phenylthieno[3,2-d]pyrimidin-4(3H)-one1621968-02-2C18H18N2OS
- 3-(4-(4-Methoxy-3-methylphenyl)-5-methylthiazol-2-yl)aniline1225629-39-9C18H18N2OS
- 3-(4-(4-Ethoxyphenyl)-5-methylthiazol-2-yl)aniline1225629-47-9C18H18N2OS
- N-[3-(10H-Phenothiazin-10-yl)propyl]prop-2-enamide2305455-95-0C18H18N2OS
- N-[(6-Phenyl-4,5,6,7-tetrahydro-1,3-benzothiazol-2-yl)methyl]but-2-ynamide2411195-47-4C18H18N2OS
- 6,7-Dihydro-6,6-dimethyl-2-(4-methylphenyl)imidazo[2,1-b]benzothiazol-8(5H)-one57777-34-1C18H18N2OS
- N-(6-Methyl-1,3-benzothiazol-2-yl)-4-phenylbutanamide723756-67-0C18H18N2OS
- 4-[2-Ethyl-4-(3-methylphenyl)-1,3-thiazol-5-yl]-2-methyl-1-oxo-1lambda~5~-pyridine365430-20-2C18H18N2OS
- N-Benzyl-4-(4-methoxyphenyl)-N-methyl-1,3-thiazol-2-amine85656-39-9C18H18N2OS
- 5,5-Diphenyl-2-(propylsulfanyl)-3,5-dihydro-4H-imidazol-4-one92262-93-6C18H18N2OS
- Phenyl[(2Z)-2-(phenylimino)-1,3-thiazepan-3-yl]methanone31930-28-6C18H18N2OS
- {1-Benzyl-5-[4-(methylsulfanyl)phenyl]-1H-pyrazol-3-yl}methanol654058-92-1C18H18N2OS
- N-(4-Butoxyphenyl)-4-cyanobenzene-1-carbothioamide62516-47-6C18H18N2OS
Frequently asked questions
What is the molar mass of C18H18N2OS?
The molar mass of C18H18N2OS is 310.42 g/mol, calculated from standard atomic weights for 18 carbon atoms, 18 hydrogen atoms, 2 nitrogen atoms, 1 oxygen atom and 1 sulfur atom. The monoisotopic mass is 310.1140 Da.
How many compounds have the formula C18H18N2OS?
CompoundList lists 205 compounds with the molecular formula C18H18N2OS, including 2-[(2-Methyl-1H-indol-3-yl)sulfanyl]-N-(4-methylphenyl)acetamide, 2,2-Diphenyl-N-[(E)-thiolan-3-ylideneamino]acetamide, 2-(3,4-Dihydroisoquinolin-2(1H)-yl)-6-ethoxybenzo[d]thiazole. 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 C18H18N2OS?
C18H18N2OS has a degree of unsaturation of 11. 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.