Molecular formula
C18H18N2OS2
89 compounds have this formula on CompoundList.
- Molar mass
- 342.48g/mol
- Monoisotopic mass
- 342.0861Da
- Atoms
- 41
- Elements
- 5
- Rings plus double bonds
- 11
The formula C18H18N2OS2 describes a molecule made of 18 carbon atoms, 18 hydrogen atoms, 2 nitrogen atoms, 1 oxygen atom and 2 sulfur atoms. 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 × 1863.13%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 185.30%1.008 × 18 = 18.144 g/mol
- N Nitrogen × 28.18%14.007 × 2 = 28.014 g/mol
- O Oxygen × 14.67%15.999 × 1 = 15.999 g/mol
- S Sulfur × 218.72%32.06 × 2 = 64.120 g/mol
Look up another formula
Compounds with the formula C18H18N2OS2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 89 of 89 compounds
![2-Ethylsulfanyl-3-phenyl-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-one chemical structure, C18H18N2OS2, CAS 81136-39-2](/s/HJNRFAARVFDRRL-UHFFFAOYSA-N.svg)
2-Ethylsulfanyl-3-phenyl-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-one
CAS 81136-39-2C18H18N2OS2
![3-(2-Methylphenyl)-2-(methylsulfanyl)-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4(3H)-one chemical structure, C18H18N2OS2, CAS 378753-08-3](/s/SICPRVHCTIBRGK-UHFFFAOYSA-N.svg)
3-(2-Methylphenyl)-2-(methylsulfanyl)-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4(3H)-one
CAS 378753-08-3C18H18N2OS2
![2-(Methylsulfanyl)-3-phenyl-3,5,6,7,8,9-hexahydro-4H-cyclohepta[4,5]thieno[2,3-d]pyrimidin-4-one chemical structure, C18H18N2OS2, CAS 361992-15-6](/s/MDNVSEYEYSPHSC-UHFFFAOYSA-N.svg)
2-(Methylsulfanyl)-3-phenyl-3,5,6,7,8,9-hexahydro-4H-cyclohepta[4,5]thieno[2,3-d]pyrimidin-4-one
CAS 361992-15-6C18H18N2OS2
![3-Allyl-2-(benzylsulfanyl)-5,6-dimethylthieno[2,3-d]pyrimidin-4(3H)-one chemical structure, C18H18N2OS2, CAS 324057-32-1](/s/VGQIWUSCQTYHDI-UHFFFAOYSA-N.svg)
3-Allyl-2-(benzylsulfanyl)-5,6-dimethylthieno[2,3-d]pyrimidin-4(3H)-one
CAS 324057-32-1C18H18N2OS2
![3-Benzyl-2-thioxo-1,2,3,5,6,7,8,9-octahydro-4H-cyclohepta[4,5]thieno[2,3-d]pyrimidin-4-one chemical structure, C18H18N2OS2, CAS 59898-70-3](/s/HBAIXEBNGLFMGN-UHFFFAOYSA-N.svg)
3-Benzyl-2-thioxo-1,2,3,5,6,7,8,9-octahydro-4H-cyclohepta[4,5]thieno[2,3-d]pyrimidin-4-one
CAS 59898-70-3C18H18N2OS2
2-(1,3-Benzothiazol-2-ylsulfanyl)-N-phenyl-N-(propan-2-yl)acetamide
CAS 314769-69-2C18H18N2OS2
![2-Benzylsulfanyl-6-ethyl-3-prop-2-enylthieno[2,3-d]pyrimidin-4-one chemical structure, C18H18N2OS2, CAS 380474-66-8](/s/ONRTZWUVSVJWFI-UHFFFAOYSA-N.svg)
2-Benzylsulfanyl-6-ethyl-3-prop-2-enylthieno[2,3-d]pyrimidin-4-one
CAS 380474-66-8C18H18N2OS2
![N-(3-Cyano-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophen-2-yl)-2-(methylthio)benzamide chemical structure, C18H18N2OS2, CAS 896347-35-6](/s/PKLSXGDTFZYOLC-UHFFFAOYSA-N.svg)
N-(3-Cyano-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophen-2-yl)-2-(methylthio)benzamide
CAS 896347-35-6C18H18N2OS2
![N-(5,7-Dimethylbenzo[d]thiazol-2-yl)-2-(p-tolylthio)acetamide chemical structure, C18H18N2OS2, CAS 895460-13-6](/s/NZCBCYXJQIOIKG-UHFFFAOYSA-N.svg)
N-(5,7-Dimethylbenzo[d]thiazol-2-yl)-2-(p-tolylthio)acetamide
CAS 895460-13-6C18H18N2OS2
4(1H)-Pyrimidinone, 2-(butylthio)-6-(2-naphthalenylthio)-
CAS 284682-04-8C18H18N2OS2
![3-Benzyl-7-methyl-2-thioxo-2,3,5,6,7,8-hexahydro[1]benzothieno[2,3-d]pyrimidin-4(1H)-one chemical structure, C18H18N2OS2, CAS 371957-30-1](/s/AXTSTYDSFNQYDT-UHFFFAOYSA-N.svg)
3-Benzyl-7-methyl-2-thioxo-2,3,5,6,7,8-hexahydro[1]benzothieno[2,3-d]pyrimidin-4(1H)-one
CAS 371957-30-1C18H18N2OS2
2-(1,3-Benzothiazol-2-ylsulfanyl)-N-(4-isopropylphenyl)acetamide
CAS 386765-07-7C18H18N2OS2
![3-(2-Phenylethyl)-2-sulfanyl-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4(3H)-one chemical structure, C18H18N2OS2, CAS 351007-36-8](/s/KQPHWEGXEURWBX-UHFFFAOYSA-N.svg)
3-(2-Phenylethyl)-2-sulfanyl-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4(3H)-one
CAS 351007-36-8C18H18N2OS2
![3-(4-Methylphenyl)-2-thioxo-1,2,3,5,6,7,8,9-octahydro-4H-cyclohepta[4,5]thieno[2,3-d]pyrimidin-4-one chemical structure, C18H18N2OS2, CAS 351007-31-3](/s/CTBINQJVBZMRHK-UHFFFAOYSA-N.svg)
3-(4-Methylphenyl)-2-thioxo-1,2,3,5,6,7,8,9-octahydro-4H-cyclohepta[4,5]thieno[2,3-d]pyrimidin-4-one
CAS 351007-31-3C18H18N2OS2
![3-(3,4-Dimethylphenyl)-2-thioxo-2,3,5,6,7,8-hexahydro[1]benzothieno[2,3-d]pyrimidin-4(1H)-one chemical structure, C18H18N2OS2, CAS 592537-72-9](/s/ZQMWJXLRSXANPU-UHFFFAOYSA-N.svg)
3-(3,4-Dimethylphenyl)-2-thioxo-2,3,5,6,7,8-hexahydro[1]benzothieno[2,3-d]pyrimidin-4(1H)-one
CAS 592537-72-9C18H18N2OS2
![3-Phenyl-2-(propylsulfanyl)-3,5,6,7-tetrahydro-4H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-4-one chemical structure, C18H18N2OS2, CAS 327169-32-4](/s/NAYOMJCDTZTNHB-UHFFFAOYSA-N.svg)
3-Phenyl-2-(propylsulfanyl)-3,5,6,7-tetrahydro-4H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-4-one
CAS 327169-32-4C18H18N2OS2
4-Thiazolidinone, 3-ethyl-5-(2-(1-ethyl-2(1H)-quinolinylidene)ethylidene)-2-thioxo-
CAS 23350-56-3C18H18N2OS2
![2-[(2-Isobutylsulfanyl-benzothiazol-6-ylimino)-methyl]-phenol chemical structure, C18H18N2OS2, CAS 76383-13-6](/s/JZPGURKWXUBQLP-UHFFFAOYSA-N.svg)
2-[(2-Isobutylsulfanyl-benzothiazol-6-ylimino)-methyl]-phenol
CAS 76383-13-6C18H18N2OS2
![5-[[1-(3,5-Dimethylphenyl)-2,5-dimethylpyrrol-3-yl]methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one chemical structure, C18H18N2OS2, CAS 6014-85-3](/s/JFNZQSOKUSBKRP-UHFFFAOYSA-N.svg)
5-[[1-(3,5-Dimethylphenyl)-2,5-dimethylpyrrol-3-yl]methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one
CAS 6014-85-3C18H18N2OS2
![N-(3-Cyano-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophen-2-yl)-2-phenylsulfanylacetamide chemical structure, C18H18N2OS2, CAS 797020-75-8](/s/ZMWCPHHTIUBXAM-UHFFFAOYSA-N.svg)
N-(3-Cyano-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophen-2-yl)-2-phenylsulfanylacetamide
CAS 797020-75-8C18H18N2OS2
![2,3,5,6,7,8-Hexahydro-3-[(4-methylphenyl)methyl]-2-thioxo[1]benzothieno[2,3-d]pyrimidin-4(1H)-one chemical structure, C18H18N2OS2, CAS 588696-74-6](/s/SJWWJEYLJXBVBM-UHFFFAOYSA-N.svg)
2,3,5,6,7,8-Hexahydro-3-[(4-methylphenyl)methyl]-2-thioxo[1]benzothieno[2,3-d]pyrimidin-4(1H)-one
CAS 588696-74-6C18H18N2OS2
![3-Cyclohexyl-5-phenyl-2-sulfanyl-3H,4H-thieno[2,3-d]pyrimidin-4-one chemical structure, C18H18N2OS2, CAS 851852-86-3](/s/NGKCASJUMUKMJU-UHFFFAOYSA-N.svg)
3-Cyclohexyl-5-phenyl-2-sulfanyl-3H,4H-thieno[2,3-d]pyrimidin-4-one
CAS 851852-86-3C18H18N2OS2
![3-Benzyl-2-methylsulfanyl-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-one chemical structure, C18H18N2OS2, CAS 81144-25-4](/s/PDGANVYYXNXAIL-UHFFFAOYSA-N.svg)
3-Benzyl-2-methylsulfanyl-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-one
CAS 81144-25-4C18H18N2OS2
(E)-5-((2,5-Dimethyl-1-phenyl-1H-pyrrol-3-yl)methylene)-3-ethyl-2-thioxothiazolidin-4-one
CAS 878384-59-9C18H18N2OS2
- N-(3-Cyano-6-methyl-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)-2-phenylsulfanylacetamide379256-69-6C18H18N2OS2
- 2-(1,3-Benzothiazol-2-ylsulfanyl)-N-(2-ethyl-6-methylphenyl)acetamide154519-43-4C18H18N2OS2
- 3-Benzyl-2-(ethylsulfanyl)-3,5,6,7-tetrahydro-4H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-4-one351006-37-6C18H18N2OS2
- 7-Ethyl-3-phenyl-2-sulfanyl-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4(3H)-one352333-50-7C18H18N2OS2
- 4-(2,5-Dimethylphenyl)-5-sulfanyl-8-thia-4,6-diazatricyclo[7.4.0.0,2,7]trideca-1(9),2(7),5-trien-3-one380436-86-2C18H18N2OS2
- 3-Benzyl-5-(benzylsulfanylmethyl)-2-sulfanylideneimidazolidin-4-one144150-60-7C18H18N2OS2
- 2-Mercapto-7-methyl-3-o-tolyl-5,6,7,8-tetrahydro-3H-benzo[4,5]thieno[2,3-d]pyrimidin-4-one565179-63-7C18H18N2OS2
- 5-Ethyl-N-[5-methyl-4-(4-methylphenyl)-1,3-thiazol-2-yl]thiophene-3-carboxamide438216-94-5C18H18N2OS2
- N-[4-(4-Butylphenyl)-1,3-thiazol-2-yl]thiophene-2-carboxamide4715-39-3C18H18N2OS2
- N-(2-Methylbenzo[d]thiazol-5-yl)-1-(thiophen-2-yl)cyclopentanecarboxamide1203019-45-7C18H18N2OS2
- 5,6-Dimethyl-2-(2-methylprop-2-enylsulfanyl)-3-phenylthieno[2,3-d]pyrimidin-4-one330835-50-2C18H18N2OS2
- 4-[(2-Phenoxyethyl)sulfanyl]-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidine307341-03-3C18H18N2OS2
- 4-(2-Methylphenyl)-5-sulfanyl-8-thia-4,6-diazatricyclo[7.5.0.0,2,7]tetradeca-1(9),2(7),5-trien-3-one882135-83-3C18H18N2OS2
- 4-(2,4-Dimethylphenyl)-5-sulfanyl-8-thia-4,6-diazatricyclo[7.4.0.0,2,7]trideca-1(9),2(7),5-trien-3-one380189-95-7C18H18N2OS2
- 4-(3,5-Dimethylphenyl)-5-sulfanyl-8-thia-4,6-diazatricyclo[7.4.0.0,2,7]trideca-1(9),2(7),5-trien-3-one380346-39-4C18H18N2OS2
- N-[3-(1,3-Benzothiazol-2-yl)-6-methyl-4,5,6,7-tetrahydro-1-benzothiophen-2-yl]acetamide477544-37-9C18H18N2OS2
- N-[3-(1,3-Benzothiazol-2-yl)-4,5,6,7-tetrahydro-1-benzothiophen-2-yl]propanamide325988-32-7C18H18N2OS2
- N-[4-(2,5-Dimethylphenyl)-5-methyl-1,3-thiazol-2-yl]-5-methylthiophene-3-carboxamide438227-45-3C18H18N2OS2
- N-(4,7-Dimethylbenzo[d]thiazol-2-yl)-2-(ethylthio)benzamide886917-72-2C18H18N2OS2
- N-(5,6-Dimethylbenzo[d]thiazol-2-yl)-2-(ethylthio)benzamide898429-83-9C18H18N2OS2
- N-Benzyl-3-[2-methyl-4-(thiophen-2-yl)-1,3-thiazol-5-yl]propanamide1049132-44-6C18H18N2OS2
- N-Methyl-3-(2-methyl-4-(thiophen-2-yl)thiazol-5-yl)-N-phenylpropanamide1049030-61-6C18H18N2OS2
- 3-Cyclopropyl-2-[(2,5-dimethylbenzyl)sulfanyl]thieno[3,2-d]pyrimidin-4(3H)-one1326853-29-5C18H18N2OS2
- N-((1-(Thiophen-3-yl)cyclopentyl)methyl)benzo[d]thiazole-6-carboxamide2034465-01-3C18H18N2OS2
- 3-Ethylsulfanyl-2-(4-methylphenyl)-7,8-dihydro-6H-cyclopenta[2,3]thieno[2,4-b]pyrimidin-1-one312585-60-7C18H18N2OS2
- 4-[(3-Methoxybenzyl)sulfanyl]-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidine677016-07-8C18H18N2OS2
- 3-Cyclopentyl-5-[(1-methylindol-3-yl)methylene]-2-thioxo-1,3-thiazolidin-4-one853904-35-5C18H18N2OS2
- 3,5,6-Trimethyl-2-{[(2E)-3-phenylprop-2-en-1-yl]sulfanyl}thieno[2,3-d]pyrimidin-4(3H)-one678556-29-1C18H18N2OS2
- (2E,NZ)-N-(6-methyl-3-propylbenzo[d]thiazol-2(3H)-ylidene)-3-(thiophen-2-yl)acrylamide898464-20-5C18H18N2OS2
- N-(3-Cyano-5,6-dihydro-4H-cyclopenta[b]thiophen-2-yl)-4-(phenylthio)butanamide899988-72-8C18H18N2OS2
- (E)-N-((1-Methyl-1H-pyrrol-2-yl)methyl)-3-(thiophen-2-yl)-N-(thiophen-2-ylmethyl)acrylamide1331593-98-6C18H18N2OS2
- N-((4-Methyl-2-(thiophen-2-yl)thiazol-5-yl)methyl)-2-(o-tolyl)acetamide1396859-93-0C18H18N2OS2
- 3-(Dimethylamino)-5,5-diphenyl-2-sulfanylidene-1,3-thiazinan-4-one81468-23-7C18H18N2OS2
- (5E)-5-[[1-(2-Ethylphenyl)-2,5-dimethylpyrrol-3-yl]methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one428840-11-3C18H18N2OS2
- N-(3-Cyano-4,5,6,7-tetrahydrobenzo[b]thiophen-2-yl)-2-(p-tolylthio)acetamide854978-41-9C18H18N2OS2
- 2-Phenylsulfanyl-N-(3,5,7-trimethyl-1,3-benzothiazol-2-ylidene)acetamide898439-04-8C18H18N2OS2
- N-(4,7-Dimethylbenzo[d]thiazol-2-yl)-2-(p-tolylthio)acetamide895459-97-9C18H18N2OS2
- N-(6-Isopropylbenzo[d]thiazol-2-yl)-2-(methylthio)benzamide898414-86-3C18H18N2OS2
- N-(3-Cyano-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophen-2-yl)-3-methylsulfanylbenzamide896358-61-5C18H18N2OS2
- N-(3-Cyano-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophen-2-yl)-4-(methylthio)benzamide896352-45-7C18H18N2OS2
- N-(4-Ethylbenzo[d]thiazol-2-yl)-2-(ethylthio)benzamide898433-79-9C18H18N2OS2
- N-(2-Methylbenzo[d]thiazol-6-yl)-3-(p-tolylthio)propanamide895460-67-0C18H18N2OS2
- N-(2-Methylbenzo[d]thiazol-5-yl)-3-(p-tolylthio)propanamide895461-72-0C18H18N2OS2
- N-(3-Cyano-6-methyl-4,5,6,7-tetrahydrobenzo[b]thiophen-2-yl)-2-(methylthio)benzamide896346-95-5C18H18N2OS2
- N-(3-Cyano-6-methyl-4,5,6,7-tetrahydrobenzo[b]thiophen-2-yl)-3-(methylthio)benzamide896358-28-4C18H18N2OS2
- N-(3-Cyano-6-methyl-4,5,6,7-tetrahydrobenzo[b]thiophen-2-yl)-4-(methylthio)benzamide896352-06-0C18H18N2OS2
- 2-(4-(Ethylthio)phenyl)-N-(2-methylbenzo[d]thiazol-6-yl)acetamide941930-32-1C18H18N2OS2
- 3-(3-Methylthiophen-2-yl)-N-{[5-(thiophen-3-yl)pyridin-3-yl]methyl}propanamide1705864-92-1C18H18N2OS2
- (1H-Indol-2-yl)(7-(thiophen-2-yl)-1,4-thiazepan-4-yl)methanone1706299-28-6C18H18N2OS2
- (1H-Indol-3-yl)(7-(thiophen-2-yl)-1,4-thiazepan-4-yl)methanone1705512-35-1C18H18N2OS2
- (1H-Indol-5-yl)(7-(thiophen-2-yl)-1,4-thiazepan-4-yl)methanone1705933-73-8C18H18N2OS2
- Indolizin-2-yl(7-(thiophen-2-yl)-1,4-thiazepan-4-yl)methanone1705513-07-0C18H18N2OS2
- N-(2-(Azetidin-1-yl)-2-(thiophen-3-yl)ethyl)benzo[b]thiophene-2-carboxamide2034457-04-8C18H18N2OS2
- 3-(3-Methylthiophen-2-yl)-N-((2-(thiophen-2-yl)pyridin-4-yl)methyl)propanamide1904014-07-8C18H18N2OS2
- 1-(2-([2,3'-Bithiophen]-5-yl)ethyl)-3-(o-tolyl)urea2034254-15-2C18H18N2OS2
- 3-(3-Methylthiophen-2-yl)-N-{[2-(thiophen-3-yl)pyridin-4-yl]methyl}propanamide2176269-81-9C18H18N2OS2
- 3-(3-Methylthiophen-2-yl)-N-((2-(thiophen-3-yl)pyridin-3-yl)methyl)propanamide2192745-39-2C18H18N2OS2
- N-[1-(1-Benzothiophen-3-yl)propan-2-yl]-2-(methylsulfanyl)pyridine-3-carboxamide2320669-29-0C18H18N2OS2
- (6E)-6-({[2-(Butylsulfanyl)-1,3-benzothiazol-6-yl]amino}methylidene)cyclohexa-2,4-dien-1-one76383-12-5C18H18N2OS2
- 3-Benzyl-2-[(cyclobutylmethyl)sulfanyl]-3H,4H-thieno[3,2-d]pyrimidin-4-one2549065-82-7C18H18N2OS2
- 1-Benzyl-3-(2-{[2,2'-bithiophene]-5-yl}ethyl)urea2640843-57-6C18H18N2OS2
- S-1,3-Benzothiazol-2-yl 3-(benzylamino)butanethioate921222-70-0C18H18N2OS2
- 5-{[1-(4-Ethylphenyl)-2,5-dimethyl-1H-pyrrol-3-yl]methylene}-2-thioxo-1,3-thiazolidin-4-one6062-77-7C18H18N2OS2
- (5Z)-3-Ethyl-5-[2-(1-ethylquinolin-2(1H)-ylidene)ethylidene]-2-sulfanylidene-1,3-thiazolidin-4-oneC18H18N2OS2
- (5Z)-3-Ethyl-5-[(2E)-2-(1-ethylquinolin-2-ylidene)ethylidene]-2-sulfanylidene-1,3-thiazolidin-4-oneC18H18N2OS2
Frequently asked questions
What is the molar mass of C18H18N2OS2?
The molar mass of C18H18N2OS2 is 342.48 g/mol, calculated from standard atomic weights for 18 carbon atoms, 18 hydrogen atoms, 2 nitrogen atoms, 1 oxygen atom and 2 sulfur atoms. The monoisotopic mass is 342.0861 Da.
How many compounds have the formula C18H18N2OS2?
CompoundList lists 89 compounds with the molecular formula C18H18N2OS2, including 2-Ethylsulfanyl-3-phenyl-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-one, 3-(2-Methylphenyl)-2-(methylsulfanyl)-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4(3H)-one, 2-(Methylsulfanyl)-3-phenyl-3,5,6,7,8,9-hexahydro-4H-cyclohepta[4,5]thieno[2,3-d]pyrimidin-4-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 C18H18N2OS2?
C18H18N2OS2 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.