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 1 to 100 of 205 compounds
N-(1,3-Benzothiazol-2-yl)-4-tert-butylbenzamide
CAS 200726-43-8C18H18N2OS
![6-Methoxy-4-methyl-2-[(2-methylphenyl)methylthio]quinazoline chemical structure, C18H18N2OS, CAS 524056-36-8](/s/SAHKCOGMTLERGJ-UHFFFAOYSA-N.svg)
6-Methoxy-4-methyl-2-[(2-methylphenyl)methylthio]quinazoline
CAS 524056-36-8C18H18N2OS
1-(10H-Phenothiazin-10-yl)-2-(pyrrolidin-1-yl)ethan-1-one
CAS 63834-19-5C18H18N2OS
![[1-Benzyl-2-(benzylsulfanyl)-1H-imidazol-5-yl]methanol chemical structure, C18H18N2OS, CAS 338414-89-4](/s/UHPMDGFWHBXXMC-UHFFFAOYSA-N.svg)
[1-Benzyl-2-(benzylsulfanyl)-1H-imidazol-5-yl]methanol
CAS 338414-89-4C18H18N2OS
4-(4-Methylphenyl)-2-methylsulfanyl-5-oxo-4,6,7,8-tetrahydro-1H-quinoline-3-carbonitrile
CAS 488107-37-5C18H18N2OS
1-(2-Methylsulfanyl-4,5-dihydroimidazol-1-yl)-2-(4-phenylphenyl)ethanone
CAS 862826-58-2C18H18N2OS
2-(1-Methyl-3-methylsulfanylindol-2-yl)-N-phenylacetamide
CAS 57666-09-8C18H18N2OS
N-(3-Cyano-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)-3-phenylpropanamide
CAS 321945-24-8C18H18N2OS
2-(4-Methylphenyl)sulfanyl-1-(3-phenyl-3,4-dihydropyrazol-2-yl)ethanone
CAS 674365-59-4C18H18N2OS
N-(3,4-Dihydro-2H-quinoline-1-carbothioyl)-2-phenylacetamide
CAS 308294-68-0C18H18N2OS
(1-(4-Methylphenyl)-3-(4-(methylthio)phenyl)-1H-pyrazol-4-yl)methanol
CAS 618383-33-8C18H18N2OS
![{1-Methyl-5-[(4-methylphenyl)sulfanyl]-3-phenyl-1H-pyrazol-4-yl}methanol chemical structure, C18H18N2OS, CAS 318233-99-7](/s/BALJAALTXMAPOH-UHFFFAOYSA-N.svg)
{1-Methyl-5-[(4-methylphenyl)sulfanyl]-3-phenyl-1H-pyrazol-4-yl}methanol
CAS 318233-99-7C18H18N2OS
![1-(2,7-Dimethylimidazo[1,2-a]pyridin-3-yl)-2-[(4-methylphenyl)sulfanyl]-1-ethanone chemical structure, C18H18N2OS, CAS 478042-00-1](/s/VEWDYHAEZOYWLC-UHFFFAOYSA-N.svg)
1-(2,7-Dimethylimidazo[1,2-a]pyridin-3-yl)-2-[(4-methylphenyl)sulfanyl]-1-ethanone
CAS 478042-00-1C18H18N2OS
![2-[1-[(4-Methylphenyl)methyl]indol-3-yl]sulfanylacetamide chemical structure, C18H18N2OS, CAS 862825-81-8](/s/DFCMYVGSLLRZRV-UHFFFAOYSA-N.svg)
2-[1-[(4-Methylphenyl)methyl]indol-3-yl]sulfanylacetamide
CAS 862825-81-8C18H18N2OS
N-Butan-2-yl-2-thiophen-2-ylquinoline-4-carboxamide
CAS 546104-30-7C18H18N2OS
![6-Methoxy-4-methyl-2-[(3-methylphenyl)methylsulfanyl]quinazoline chemical structure, C18H18N2OS, CAS 489413-19-6](/s/MQRTXOGOIXGPFR-UHFFFAOYSA-N.svg)
6-Methoxy-4-methyl-2-[(3-methylphenyl)methylsulfanyl]quinazoline
CAS 489413-19-6C18H18N2OS
3-(4-Phenyl-2-phenylimino-1,3-thiazol-3-yl)propan-1-ol
CAS 1053058-25-5C18H18N2OS
N-Phenyl-N-(4,5,6,7-tetrahydro-1,3-thiazepin-2-yl)benzamide
CAS 140888-96-6C18H18N2OS
![3-[3-(4-Methylphenyl)sulfanylpropyl]quinazolin-4-one chemical structure, C18H18N2OS, CAS 722460-30-2](/s/QQBBABXOIPOMOY-UHFFFAOYSA-N.svg)
3-[3-(4-Methylphenyl)sulfanylpropyl]quinazolin-4-one
CAS 722460-30-2C18H18N2OS
2-(1,3-Benzothiazol-2-yl)-N-tert-butylbenzamide
CAS 771514-68-2C18H18N2OS
N-Cyclopentylphenothiazine-10-carboxamide
CAS 431998-75-3C18H18N2OS
4-(5-Methylfuran-2-yl)-2-prop-2-enylsulfanyl-5,6,7,8-tetrahydroquinoline-3-carbonitrile
CAS 342398-74-7C18H18N2OS
3-(4-Methylphenyl)-2-(propylsulfanyl)quinazolin-4(3H)-one
CAS 25477-45-6C18H18N2OS
![2-Methyl-N-[4-(6-methyl-1,3-benzothiazol-2-yl)phenyl]propanamide chemical structure, C18H18N2OS, CAS 415938-05-5](/s/JXUWBUJQYHEUDJ-UHFFFAOYSA-N.svg)
2-Methyl-N-[4-(6-methyl-1,3-benzothiazol-2-yl)phenyl]propanamide
CAS 415938-05-5C18H18N2OS
- 6-(2-Methylpropyl)-2-[(2-oxo-2-phenylethyl)sulfanyl]pyridine-3-carbonitrile5636-29-3C18H18N2OS
- 4-(3,4-Dimethylphenyl)-N-(4-methoxyphenyl)-1,3-thiazol-2-amine499996-18-8C18H18N2OS
- 9,10-Dihydrospiro[benzo[h]thiazolo[2,3-b]quinazoline-6,1'-cyclopentan]-7(5H)-one312596-28-4C18H18N2OS
- N-(3-Cyano-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophen-2-yl)-2-phenylacetamide312596-31-9C18H18N2OS
- 2-Methyl-N-[4-(5-methyl-1,3-benzothiazol-2-yl)phenyl]propanamide303790-86-5C18H18N2OS
- 1-(2-Benzylsulfanyl-4,5-dihydroimidazol-1-yl)-2-phenylethanone851864-32-9C18H18N2OS
- (Z)-2-(2-(Phenylimino)-4-(p-tolyl)thiazol-3(2H)-yl)ethanol341498-81-5C18H18N2OS
- 1-Allyl-2-((2-phenoxyethyl)thio)-1H-benzo[d]imidazole319489-20-8C18H18N2OS
- 2-(1H-Benzimidazol-2-ylsulfanyl)-1-(2,4,5-trimethylphenyl)ethanone351460-61-2C18H18N2OS
- N-[(2,3,4,9-Tetrahydro-1H-carbazol-6-yl)methyl]thiophene-2-carboxamide696656-94-7C18H18N2OS
- N-[4-(Cyanomethyl)phenyl]-3-(4-methylphenyl)sulfanylpropanamide643005-59-8C18H18N2OS
- N-[2-(1H-Indol-3-ylsulfanyl)ethyl]-2-methylbenzamide687571-21-7C18H18N2OS
- N-[4-(Cyanomethyl)phenyl]-2-(4-methylphenyl)sulfanylpropanamide641605-17-6C18H18N2OS
- (2-((2-Methylbenzyl)thio)-4,5-dihydro-1H-imidazol-1-yl)(phenyl)methanone851800-97-0C18H18N2OS
- 2-(2,3-Dihydrocyclopenta[b]indol-4(1H)-yl)-N-(thiophen-2-ylmethyl)acetamide1203142-22-6C18H18N2OS
- 1-(4-Ethoxyphenyl)-4-ethylsulfanylphthalazine684234-40-0C18H18N2OS
- N-(4-(3,4-Dihydroisoquinolin-2(1H)-yl)but-2-yn-1-yl)thiophene-3-carboxamide1351657-90-3C18H18N2OS
- N-[2-(1H-Indol-3-ylsulfanyl)ethyl]-2-phenylacetamide687570-99-6C18H18N2OS
- 2-(Thiophen-2-yl)-N-(2,6,8-trimethylquinolin-4-yl)acetamide946204-34-8C18H18N2OS
- 6-Cyclopropyl-2-(ethylsulfanyl)-4-(4-methoxyphenyl)pyridine-3-carbonitrile314033-97-1C18H18N2OS
- N-(3,5-Dimethylphenyl)-2-(1H-indol-3-ylsulfanyl)acetamide681217-68-5C18H18N2OS
- N-Benzyl-2-(1-methylindol-3-yl)sulfanylacetamide851411-89-7C18H18N2OS
- 4-[2-(4-Propoxyphenyl)-1,3-thiazol-4-yl]aniline62178-12-5C18H18N2OS
- 2-(3,4-Dihydroisoquinolin-2(1H)-yl)-4-methoxy-7-methylbenzo[d]thiazole863001-43-8C18H18N2OS
- 2-(2,4-Dimethylphenyl)-N-(2-methylbenzo[d]thiazol-6-yl)acetamide941983-70-6C18H18N2OS
- N-(Benzo[d]thiazol-2-yl)-N-benzylbutyramide900004-55-9C18H18N2OS
- N-(Benzo[d]thiazol-5-yl)-2-(4-isopropylphenyl)acetamide952827-45-1C18H18N2OS
- 3-(3,3-Diphenylpropyl)-2-sulfanylideneimidazolidin-4-one899964-95-5C18H18N2OS
- N-(6-Methyl-1,3-benzothiazol-2-yl)-2-phenylbutanamide329221-96-7C18H18N2OS
- 3-Ethyl-2-[(2-phenylethyl)sulfanyl]-4(3H)-quinazolinone330179-11-8C18H18N2OS
- (3-Amino-4,6-dimethylthieno[2,3-b]pyridin-2-yl)(2,4-dimethylphenyl)methanone313550-89-9C18H18N2OS
- (3-Amino-4,5,6-trimethylthieno[2,3-b]pyridin-2-yl)(4-methylphenyl)methanone332045-92-8C18H18N2OS
- 2-(5-Methylthiophen-2-yl)-N-propan-2-ylquinoline-4-carboxamide353478-70-3C18H18N2OS
- 3-Benzyl-2-propylsulfanylquinazolin-4-one25477-33-2C18H18N2OS
- (2-Methoxy-benzyl)-(4-p-tolyl-thiazol-2-yl)-amine554438-84-5C18H18N2OS
- (1)Benzothieno(2,3-d)pyrimidin-4-one, 5,6,7,8-tetrahydro-3-benzyl-2-methyl-35973-85-4C18H18N2OS
- (2E)-N-[(2,4-Dimethylphenyl)carbamothioyl]-3-phenylprop-2-enamide347314-43-6C18H18N2OS
- 3-(4-Butyl-phenyl)-2-mercapto-3H-quinazolin-4-one133032-36-7C18H18N2OS
- 3-[4-(Butan-2-yl)phenyl]-2-sulfanyl-3,4-dihydroquinazolin-4-one554442-51-2C18H18N2OS
- 2-Butylsulfanyl-3-phenylquinazolin-4-one101792-82-9C18H18N2OS
- N-[4-(6-Methyl-1,3-benzothiazol-2-yl)phenyl]butanamide288310-12-3C18H18N2OS
- N-[4-(1,3-Benzothiazol-2-yl)phenyl]-3-methylbutanamide404854-33-7C18H18N2OS
- 6-Methoxy-4-methyl-2-[(2-phenylethyl)sulfanyl]quinazoline356086-62-9C18H18N2OS
- 4,5,6-Trimethyl-2-[2-(4-methylphenyl)-2-oxoethyl]sulfanylpyridine-3-carbonitrile303017-52-9C18H18N2OS
- 2-(5-Methylthiophen-2-yl)-N-propylquinoline-4-carboxamide438454-48-9C18H18N2OS
- 2-((1-Ethyl-1H-indol-3-yl)thio)-N-phenylacetamide450349-87-8C18H18N2OS
- 2-Methyl-3-(2-methylphenyl)-2,3,5,6-tetrahydro-4H-2,6-methano-1,3,5-benzoxadiazocine-4-thione702655-54-7C18H18N2OS
- 4-(2,4-Dimethylphenyl)-N-(4-methoxyphenyl)-1,3-thiazol-2-amine5658-31-1C18H18N2OS
- N-(3-Cyano-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)-2,4-dimethylbenzamide674812-74-9C18H18N2OS
- N-(4-Methyl-1,3-benzothiazol-2-yl)-2-phenylbutanamide710978-48-6C18H18N2OS
- N-(2,4-Dimethylphenyl)-2-(1H-indol-3-ylsulfanyl)acetamide450351-83-4C18H18N2OS
- 2-Methyl-3-(4-methylphenyl)-2,3,5,6-tetrahydro-4H-2,6-methano-1,3,5-benzoxadiazocine-4-thione702655-56-9C18H18N2OS
- N-(2-Methoxyphenyl)-5-methyl-4-(4-methylphenyl)-1,3-thiazol-2-amine312636-12-7C18H18N2OS
- (Z)-2-(4-Phenyl-2-(o-tolylimino)thiazol-3(2H)-yl)ethanol503430-46-4C18H18N2OS
- 2-[(3-Methoxybenzyl)sulfanyl]-5,6,7,8-tetrahydro-3-quinolinecarbonitrile445382-39-8C18H18N2OS
- (E)-N-[(4-Ethylphenyl)carbamothioyl]-3-phenylprop-2-enamide425402-88-6C18H18N2OS
- N-(3-Cyano-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophen-2-yl)-4-methylbenzamide362473-18-5C18H18N2OS
- N-(3-Cyano-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)-3,4-dimethylbenzamide443122-35-8C18H18N2OS
- N-(2,3-Dimethylphenyl)-4-(4-methoxyphenyl)-1,3-thiazol-2-amine301192-98-3C18H18N2OS
- 3-(3-Methylphenyl)-2-(propylsulfanyl)-4(3H)-quinazolinone25477-44-5C18H18N2OS
- 2-(3,4-Dihydroisoquinolin-2(1H)-yl)-4-ethoxybenzo[d]thiazole862977-10-4C18H18N2OS
- 4-Cyano-N-((1-(thiophen-2-yl)cyclopentyl)methyl)benzamide1058459-53-2C18H18N2OS
- 2-((Naphthalen-1-ylmethyl)thio)-6-propylpyrimidin-4(3H)-one879855-85-3C18H18N2OS
- N-[3-(1,3-Benzothiazol-2-yl)phenyl]-3-methylbutanamide385390-42-1C18H18N2OS
- 4-Phenyl-N-(pyrrolidine-1-carbothioyl)benzamide642942-49-2C18H18N2OS
- N-(4-Methoxyphenyl)-5-methyl-4-(4-methylphenyl)-1,3-thiazol-2-amine5806-37-1C18H18N2OS
- N-Benzoyl-N'-(5,6,7,8-tetrahydro-1-naphthalenyl)thiourea860609-76-3C18H18N2OS
- 2-[(2-Methyl-1H-indol-3-yl)sulfanyl]-N-(3-methylphenyl)acetamide536701-87-8C18H18N2OS
- N-(3-Cyano-6-methyl-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)-2-phenylacetamide331869-90-0C18H18N2OS
- 2-Benzylsulfanyl-N-[4-(cyanomethyl)phenyl]propanamide335211-63-7C18H18N2OS
- N-(6-Methyl-1,3-benzothiazol-2-yl)-3-phenylbutanamide667409-09-8C18H18N2OS
- 4-(4-Ethoxyphenyl)-1-(p-tolyl)-1H-imidazole-2(3H)-thione688791-33-5C18H18N2OS
- 2-((1H-Indol-3-yl)thio)-N-phenethylacetamide862825-86-3C18H18N2OS
- 1-(2,7-Dimethylimidazo[1,2-a]pyridin-3-yl)-2-[(2-methylphenyl)sulfanyl]-1-ethanone478042-06-7C18H18N2OS
- 2-[1-[(3-Methylphenyl)methyl]indol-3-yl]sulfanylacetamide862825-78-3C18H18N2OS
- N-(3-Cyano-5-methyl-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)-2-phenylacetamide328539-94-2C18H18N2OS
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 N-(1,3-Benzothiazol-2-yl)-4-tert-butylbenzamide, 6-Methoxy-4-methyl-2-[(2-methylphenyl)methylthio]quinazoline, 1-(10H-Phenothiazin-10-yl)-2-(pyrrolidin-1-yl)ethan-1-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 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.