Molecular formula
C18H20ClN3O2S
52 compounds have this formula on CompoundList.
- Molar mass
- 377.89g/mol
- Monoisotopic mass
- 377.0965Da
- Atoms
- 45
- Elements
- 6
- Rings plus double bonds
- 10
The formula C18H20ClN3O2S describes a molecule made of 18 carbon atoms, 20 hydrogen atoms, 1 chlorine atom, 3 nitrogen atoms, 2 oxygen 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 × 1857.21%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 205.33%1.008 × 20 = 20.160 g/mol
- Cl Chlorine × 19.38%35.45 × 1 = 35.450 g/mol
- N Nitrogen × 311.12%14.007 × 3 = 42.021 g/mol
- O Oxygen × 28.47%15.999 × 2 = 31.998 g/mol
- S Sulfur × 18.48%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C18H20ClN3O2S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 52 of 52 compounds
![1-{4-[(4-Chlorophenyl)sulfanyl]-3-nitrobenzyl}-4-methylpiperazine chemical structure, C18H20ClN3O2S, CAS 477869-43-5](/s/HRGXNVAXDCCHTJ-UHFFFAOYSA-N.svg)
1-{4-[(4-Chlorophenyl)sulfanyl]-3-nitrobenzyl}-4-methylpiperazine
CAS 477869-43-5C18H20ClN3O2S
![N-[2-[4-(3-Chlorophenyl)piperazin-1-yl]-2-oxoethyl]-5-methylthiophene-2-carboxamide chemical structure, C18H20ClN3O2S, CAS 851473-45-5](/s/RWKHYFNYOJGXNK-UHFFFAOYSA-N.svg)
N-[2-[4-(3-Chlorophenyl)piperazin-1-yl]-2-oxoethyl]-5-methylthiophene-2-carboxamide
CAS 851473-45-5C18H20ClN3O2S
![2-{[4-(3-Chloro-4-methylphenyl)-3-oxo-3,4-dihydropyrazin-2-yl]sulfanyl}-N-cyclopentylacetamide chemical structure, C18H20ClN3O2S, CAS 899988-15-9](/s/OAVCAJOACSYXAL-UHFFFAOYSA-N.svg)
2-{[4-(3-Chloro-4-methylphenyl)-3-oxo-3,4-dihydropyrazin-2-yl]sulfanyl}-N-cyclopentylacetamide
CAS 899988-15-9C18H20ClN3O2S
4-((4-Chlorobenzyl)oxy)-3-methoxybenzaldehyde N-ethylthiosemicarbazone
CAS 502718-99-2C18H20ClN3O2S
![N-[2-(3-Chlorophenyl)-5-oxo-4,6-dihydrothieno[3,4-c]pyrazol-3-yl]cyclohexanecarboxamide chemical structure, C18H20ClN3O2S, CAS 958711-63-2](/s/BFZTWSYNBMTADX-UHFFFAOYSA-N.svg)
N-[2-(3-Chlorophenyl)-5-oxo-4,6-dihydrothieno[3,4-c]pyrazol-3-yl]cyclohexanecarboxamide
CAS 958711-63-2C18H20ClN3O2S
N4-(2-chlorobenzyl)-N1-(thiophen-2-yl)piperidine-1,4-dicarboxamide
CAS 1226448-61-8C18H20ClN3O2S
![N-(4-Chlorobenzyl)-2-(7-isopropyl-5-oxo-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidin-3-yl)acetamide chemical structure, C18H20ClN3O2S, CAS 953187-80-9](/s/VDXAIQXJKXSHAT-UHFFFAOYSA-N.svg)
N-(4-Chlorobenzyl)-2-(7-isopropyl-5-oxo-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidin-3-yl)acetamide
CAS 953187-80-9C18H20ClN3O2S
![4-Chloro-N-[7-(ethoxyimino)-5,5-dimethyl-4,5,6,7-tetrahydro-1,3-benzothiazol-2-yl]benzamide chemical structure, C18H20ClN3O2S, CAS 946387-15-1](/s/YTRAGOBYBTZNKV-UHFFFAOYSA-N.svg)
4-Chloro-N-[7-(ethoxyimino)-5,5-dimethyl-4,5,6,7-tetrahydro-1,3-benzothiazol-2-yl]benzamide
CAS 946387-15-1C18H20ClN3O2S
2-(2-((3-Chlorobenzyl)thio)-6-oxo-1,6-dihydropyrimidin-4-yl)-N-cyclopentylacetamide
CAS 1105238-92-3C18H20ClN3O2S
4-Chloro-N-(1-isopropyl-5,6-dimethyl-1H-1,3-benzimidazol-4-yl)benzenesulfonamide
CAS 338423-28-2C18H20ClN3O2S
2-Chloro-N-(1-isopropyl-5,6-dimethyl-1H-1,3-benzimidazol-4-yl)benzenesulfonamide
CAS 338423-31-7C18H20ClN3O2S
![4-[5-(4-Chlorophenyl)-2-methylsulfonyl-3,4-dihydropyrazol-3-yl]-N,N-dimethylaniline chemical structure, C18H20ClN3O2S, CAS 489423-67-8](/s/HSDUPHXZRSDVJG-UHFFFAOYSA-N.svg)
4-[5-(4-Chlorophenyl)-2-methylsulfonyl-3,4-dihydropyrazol-3-yl]-N,N-dimethylaniline
CAS 489423-67-8C18H20ClN3O2S
![2-[(4-Chlorophenyl)carbamoylamino]-4,5,6,7,8,9-hexahydrocycloocta[b]thiophene-3-carboxamide chemical structure, C18H20ClN3O2S, CAS 544661-86-1](/s/VLFSPDXRMYJNHS-UHFFFAOYSA-N.svg)
2-[(4-Chlorophenyl)carbamoylamino]-4,5,6,7,8,9-hexahydrocycloocta[b]thiophene-3-carboxamide
CAS 544661-86-1C18H20ClN3O2S
methanone chemical structure, C18H20ClN3O2S, CAS 1326844-98-7](/s/BRJSSTUFXBKNMA-UHFFFAOYSA-N.svg)
[6-Chloro-4-(thiomorpholin-4-yl)quinolin-3-yl](morpholin-4-yl)methanone
CAS 1326844-98-7C18H20ClN3O2S
![2-{3-[2-(Piperidin-4-yl)-1,3-thiazol-4-yl]-4,5-dihydro-1,2-oxazol-5-yl}benzaldehyde hydrochloride chemical structure, C18H20ClN3O2S, CAS 1313009-91-4](/s/NLUROVMVDNIZTR-UHFFFAOYSA-N.svg)
2-{3-[2-(Piperidin-4-yl)-1,3-thiazol-4-yl]-4,5-dihydro-1,2-oxazol-5-yl}benzaldehyde hydrochloride
CAS 1313009-91-4C18H20ClN3O2S
4-Chloro-N-(5,6-dimethyl-1-propyl-1H-1,3-benzimidazol-4-yl)benzenesulfonamide
CAS 338423-73-7C18H20ClN3O2S
![N-tert-Butyl-2-[[4-(4-chlorophenyl)-5-cyano-2-oxo-3,4-dihydro-1H-pyridin-6-yl]sulfanyl]acetamide chemical structure, C18H20ClN3O2S, CAS 701223-24-7](/s/DSOMKQOLFDPCOA-UHFFFAOYSA-N.svg)
N-tert-Butyl-2-[[4-(4-chlorophenyl)-5-cyano-2-oxo-3,4-dihydro-1H-pyridin-6-yl]sulfanyl]acetamide
CAS 701223-24-7C18H20ClN3O2S
10H-Pyrido(3,2-b)(1,4)benzothiazine-10-carboxylic acid, 1-methylpiperidin-4-yl ester, hydrochloride
CAS 63885-84-7C18H20ClN3O2S
10H-Pyrido(3,2-b)(1,4)benzothiazine-10-carboxylic acid, N-methyl-3-piperidyl ester, hydrochloride
CAS 63885-85-8C18H20ClN3O2S
10H-Pyrido(3,2-b)(1,4)benzothiazine-10-carboxylic acid, 2-(1-pyrrolidinyl)ethyl ester, hydrochloride
CAS 63885-89-2C18H20ClN3O2S
Piperazine, 1-((2-nitrophenyl)thioxomethyl)-4-(phenylmethyl)-, monohydrochloride
CAS 130564-60-2C18H20ClN3O2S
![N-[3-Chloro-4-[4-(thiophene-2-carbonyl)piperazin-1-yl]phenyl]propanamide chemical structure, C18H20ClN3O2S, CAS 876899-37-5](/s/CPYHEROUNBTZCE-UHFFFAOYSA-N.svg)
N-[3-Chloro-4-[4-(thiophene-2-carbonyl)piperazin-1-yl]phenyl]propanamide
CAS 876899-37-5C18H20ClN3O2S
![N-[3-(4-Chloro-3,5-dimethylpyrazol-1-yl)propyl]naphthalene-2-sulfonamide chemical structure, C18H20ClN3O2S, CAS 1005626-34-5](/s/GITVTDNYXRPSAJ-UHFFFAOYSA-N.svg)
N-[3-(4-Chloro-3,5-dimethylpyrazol-1-yl)propyl]naphthalene-2-sulfonamide
CAS 1005626-34-5C18H20ClN3O2S
![(Z)-6-Methyl-2-(3-phenylacrylamido)-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3-carboxamide hydrochloride chemical structure, C18H20ClN3O2S, CAS 1217209-31-8](/s/BOCVKXZUISDARD-CFYXSCKTSA-N.svg)
(Z)-6-Methyl-2-(3-phenylacrylamido)-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3-carboxamide hydrochloride
CAS 1217209-31-8C18H20ClN3O2S
- N-(4-Chloro-3-methyl-5-isothiazolyl)-2-(2,2-dimethylpropyl)-5-benzoxazoleacetamide257631-48-4C18H20ClN3O2S
- [4-(4-Chlorophenyl)-4-hydroxypiperidino][2-(cyclopropylamino)-1,3-thiazol-4-yl]methanone1324057-25-1C18H20ClN3O2S
- Benzofuran-2-yl(4-((4-methylthiazol-2-yl)methyl)piperazin-1-yl)methanone hydrochloride1215594-06-1C18H20ClN3O2S
- 4-[5-(4-Chlorophenyl)-1-methanesulfonyl-4,5-dihydro-1H-pyrazol-3-yl]-N,N-dimethylaniline1795482-71-1C18H20ClN3O2S
- N-[5-Chloro-2-(4-propanoylpiperazin-1-yl)phenyl]thiophene-2-carboxamide717864-07-8C18H20ClN3O2S
- 1-(5-Chloro-2-methoxyphenyl)-3-(2-morpholin-4-ylphenyl)thiourea708998-08-7C18H20ClN3O2S
- N-[2-(4-Chloro-3,5-dimethyl-1H-pyrazol-1-yl)ethyl]-6-methyl-2-naphthalenesulfonamide1135260-83-1C18H20ClN3O2S
- 4-[4-(Benzyloxy)piperidine-1-carbonyl]-5-chloro-2-(methylsulfanyl)pyrimidine1223033-97-3C18H20ClN3O2S
- 6-Chloro-N-(1-oxo-1-{4H,5H,6H,7H-thieno[3,2-c]pyridin-5-yl}pentan-2-yl)pyridine-3-carboxamide1385133-72-1C18H20ClN3O2S
- 3-(4-(2-Hydroxy-2-(thiophen-2-yl)ethyl)piperazine-1-carbonyl)benzonitrile hydrochloride1351659-39-6C18H20ClN3O2S
- 2-{1-[6-Chloro-2-(methylsulfanyl)pyridin-3-yl]-N-methylformamido}-N-(2,6-dimethylphenyl)acetamide1384661-63-5C18H20ClN3O2S
- 1-(3-((5-Chloropyrimidin-2-yl)oxy)piperidin-1-yl)-3-(phenylthio)propan-1-one2034632-99-8C18H20ClN3O2S
- 2-(4-tert-Butylphenoxy)-N-[(5-chloropyridin-2-yl)carbamothioyl]acetamide425651-52-1C18H20ClN3O2S
- Propanamide, 2-(2-chlorophenoxy)-N-[4-[[(ethylamino)thioxomethyl]amino]phenyl]-1071351-40-0C18H20ClN3O2S
- [2-(Aminomethyl)-6,7-dihydro-4H-[1,3]thiazolo[4,5-c]pyridin-5-yl]-(5,6-dimethyl-1-benzofuran-3-yl)methanone, hydrochloride2418675-25-7C18H20ClN3O2S
- 2-[1-(3-Chloro-2-methylbenzenesulfonyl)-octahydropyrrolo[2,3-c]pyrrol-5-yl]pyridine2549015-66-7C18H20ClN3O2S
- 3-(4-{[(3-Chloropyridin-4-yl)oxy]methyl}piperidine-1-carbonyl)-2-(methylsulfanyl)pyridine2640965-66-6C18H20ClN3O2S
- 1-[2-(4-Chlorophenyl)ethenesulfonyl]-4-[(pyridin-2-yl)methyl]piperazine930522-28-4C18H20ClN3O2S
- 4-Chloro-N-(4-(2-(cyclohexylamino)-2-oxoethyl)thiazol-2-yl)benzamide921834-54-0C18H20ClN3O2S
- 1-[(E)-(5-Chloro-2-hydroxyphenyl)methylideneamino]-3-(2-hydroxy-6-methyl-3-propan-2-ylphenyl)thiourea6344-13-4C18H20ClN3O2S
- 3-{[1-(5-Chlorothiophene-2-carbonyl)piperidin-4-yl]methoxy}-6-cyclopropylpyridazine2320576-65-4C18H20ClN3O2S
- 3-Chloro-4-{(E)-[4-(ethenesulfonyl)phenyl]diazenyl}-N,N-diethylaniline91780-09-5C18H20ClN3O2S
- 1-[(Z)-(5-Chloro-2-hydroxyphenyl)methylideneamino]-3-(2-hydroxy-6-methyl-3-propan-2-ylphenyl)thioureaC18H20ClN3O2S
- 1-(4-Chlorophenyl)sulfonyl-4-piperazin-1-yl-2,3-dihydroindole1884320-91-5C18H20ClN3O2S
- 1-(3-Chlorophenyl)sulfonyl-4-piperazin-1-yl-2,3-dihydroindole1884320-85-7C18H20ClN3O2S
- 5-Chloro-2-{5-phenylmethanesulfonyl-octahydropyrrolo[3,4-c]pyrrol-2-yl}pyridine2770626-84-9C18H20ClN3O2S
- 1-(2-Chlorophenyl)sulfonyl-4-piperazin-1-yl-2,3-dihydroindole1884320-82-4C18H20ClN3O2S
- Benzyl 4-chloro-6,6-dimethyl-2-methylsulfanyl-5,8-dihydropyrido[3,4-d]pyrimidine-7-carboxylate2766053-44-3C18H20ClN3O2S
Frequently asked questions
What is the molar mass of C18H20ClN3O2S?
The molar mass of C18H20ClN3O2S is 377.89 g/mol, calculated from standard atomic weights for 18 carbon atoms, 20 hydrogen atoms, 1 chlorine atom, 3 nitrogen atoms, 2 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 377.0965 Da.
How many compounds have the formula C18H20ClN3O2S?
CompoundList lists 52 compounds with the molecular formula C18H20ClN3O2S, including 1-{4-[(4-Chlorophenyl)sulfanyl]-3-nitrobenzyl}-4-methylpiperazine, N-[2-[4-(3-Chlorophenyl)piperazin-1-yl]-2-oxoethyl]-5-methylthiophene-2-carboxamide, 2-{[4-(3-Chloro-4-methylphenyl)-3-oxo-3,4-dihydropyrazin-2-yl]sulfanyl}-N-cyclopentylacetamide. 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 C18H20ClN3O2S?
C18H20ClN3O2S has a degree of unsaturation of 10. 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.