CompoundList
Molecular formula

C18H20N4O3S

241 compounds have this formula on CompoundList.

Molar mass
372.44g/mol
Monoisotopic mass
372.1256Da
Atoms
46
Elements
5
Rings plus double bonds
11

The formula C18H20N4O3S describes a molecule made of 18 carbon atoms, 20 hydrogen atoms, 4 nitrogen atoms, 3 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 × 1858.05%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 205.41%
    1.008 × 20 = 20.160 g/mol
  • N Nitrogen × 415.04%
    14.007 × 4 = 56.028 g/mol
  • O Oxygen × 312.89%
    15.999 × 3 = 47.997 g/mol
  • S Sulfur × 18.61%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C18H20N4O3S

Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.

Showing 1 to 100 of 241 compounds

1-(4-Methylphenyl)-5-[(3,4,5-trimethoxyphenyl)methylsulfanyl]tetrazole chemical structure, C18H20N4O3S, CAS 540513-86-8
1-(4-Methylphenyl)-5-[(3,4,5-trimethoxyphenyl)methylsulfanyl]tetrazole
CAS 540513-86-8C18H20N4O3S
Disperse Red 58 chemical structure, C18H20N4O3S, CAS 6373-93-9
Disperse Red 58
CAS 6373-93-9C18H20N4O3S
4-Nitrobenzaldehyde N-(4-isopropoxybenzyl)thiosemicarbazone chemical structure, C18H20N4O3S, CAS 207290-47-9
4-Nitrobenzaldehyde N-(4-isopropoxybenzyl)thiosemicarbazone
CAS 207290-47-9C18H20N4O3S
Isopropyl 7-methyl-2-(methylthio)-4-oxo-5-(pyridin-4-yl)-3,4,5,8-tetrahydropyrido[2,3-d]pyrimidine-6-carboxylate chemical structure, C18H20N4O3S, CAS 537045-88-8
Isopropyl 7-methyl-2-(methylthio)-4-oxo-5-(pyridin-4-yl)-3,4,5,8-tetrahydropyrido[2,3-d]pyrimidine-6-carboxylate
CAS 537045-88-8C18H20N4O3S
2-(1,3-Dioxo-1,3-dihydro-2H-isoindol-2-yl)-N-(5-ethyl-1,3,4-thiadiazol-2-yl)-4-methylpentanamide chemical structure, C18H20N4O3S, CAS 347365-24-6
2-(1,3-Dioxo-1,3-dihydro-2H-isoindol-2-yl)-N-(5-ethyl-1,3,4-thiadiazol-2-yl)-4-methylpentanamide
CAS 347365-24-6C18H20N4O3S
3-Methyl-8-((2-oxopropyl)thio)-7-(3-phenylpropyl)-1H-purine-2,6(3H,7H)-dione chemical structure, C18H20N4O3S, CAS 353255-05-7
3-Methyl-8-((2-oxopropyl)thio)-7-(3-phenylpropyl)-1H-purine-2,6(3H,7H)-dione
CAS 353255-05-7C18H20N4O3S
N-(3-((3-Methoxypropyl)amino)quinoxalin-2-yl)benzenesulfonamide chemical structure, C18H20N4O3S, CAS 714928-46-8
N-(3-((3-Methoxypropyl)amino)quinoxalin-2-yl)benzenesulfonamide
CAS 714928-46-8C18H20N4O3S
[4-[3-(Cyclopropylamino)-4-nitrophenyl]piperazin-1-yl]-thiophen-2-ylmethanone chemical structure, C18H20N4O3S, CAS 432536-51-1
[4-[3-(Cyclopropylamino)-4-nitrophenyl]piperazin-1-yl]-thiophen-2-ylmethanone
CAS 432536-51-1C18H20N4O3S
Ethyl 2-(ethylsulfanyl)-7-methyl-4-oxo-5-(pyridin-4-yl)-3,4,5,8-tetrahydropyrido[2,3-d]pyrimidine-6-carboxylate chemical structure, C18H20N4O3S, CAS 537046-35-8
Ethyl 2-(ethylsulfanyl)-7-methyl-4-oxo-5-(pyridin-4-yl)-3,4,5,8-tetrahydropyrido[2,3-d]pyrimidine-6-carboxylate
CAS 537046-35-8C18H20N4O3S
N-[2-[5-(Benzenesulfonamido)-1-methylbenzimidazol-2-yl]ethyl]acetamide chemical structure, C18H20N4O3S, CAS 831238-57-4
N-[2-[5-(Benzenesulfonamido)-1-methylbenzimidazol-2-yl]ethyl]acetamide
CAS 831238-57-4C18H20N4O3S
1-[(E)-(4-Nitrophenyl)methylideneamino]-3-[(4-propoxyphenyl)methyl]thiourea chemical structure, C18H20N4O3S, CAS 207290-46-8
1-[(E)-(4-Nitrophenyl)methylideneamino]-3-[(4-propoxyphenyl)methyl]thiourea
CAS 207290-46-8C18H20N4O3S
N-(4-Ethoxyphenyl)-2-((4-ethyl-5-(2-furyl)-4H-1,2,4-triazol-3-yl)thio)acetamide chemical structure, C18H20N4O3S, CAS 557069-67-7
N-(4-Ethoxyphenyl)-2-((4-ethyl-5-(2-furyl)-4H-1,2,4-triazol-3-yl)thio)acetamide
CAS 557069-67-7C18H20N4O3S
1-(Phenylsulfonyl)-N'-[(E)-pyridin-3-ylmethylidene]piperidine-3-carbohydrazide chemical structure, C18H20N4O3S, CAS 420099-08-7
1-(Phenylsulfonyl)-N'-[(E)-pyridin-3-ylmethylidene]piperidine-3-carbohydrazide
CAS 420099-08-7C18H20N4O3S
1,3-Dimethyl-7-(4-ME-benzyl)8-((2-oxopropyl)thio)3,7-dihydro-1H-purine-2,6-dione chemical structure, C18H20N4O3S, CAS 476480-04-3
1,3-Dimethyl-7-(4-ME-benzyl)8-((2-oxopropyl)thio)3,7-dihydro-1H-purine-2,6-dione
CAS 476480-04-3C18H20N4O3S
2-(1,3-Dioxo-1,3-dihydro-2H-isoindol-2-yl)-3-methyl-N-[(2E)-5-(propan-2-yl)-1,3,4-thiadiazol-2(3H)-ylidene]butanamide chemical structure, C18H20N4O3S, CAS 347366-33-0
2-(1,3-Dioxo-1,3-dihydro-2H-isoindol-2-yl)-3-methyl-N-[(2E)-5-(propan-2-yl)-1,3,4-thiadiazol-2(3H)-ylidene]butanamide
CAS 347366-33-0C18H20N4O3S
1-(4-Methylpiperidin-1-yl)-2-[6-(3-nitrophenyl)pyridazin-3-yl]sulfanylethanone chemical structure, C18H20N4O3S, CAS 893998-44-2
1-(4-Methylpiperidin-1-yl)-2-[6-(3-nitrophenyl)pyridazin-3-yl]sulfanylethanone
CAS 893998-44-2C18H20N4O3S
2-(2,4-Dioxo-1,3-diazaspiro[4.4]nonan-3-yl)-N-(6-ethyl-1,3-benzothiazol-2-yl)acetamide chemical structure, C18H20N4O3S, CAS 736949-45-4
2-(2,4-Dioxo-1,3-diazaspiro[4.4]nonan-3-yl)-N-(6-ethyl-1,3-benzothiazol-2-yl)acetamide
CAS 736949-45-4C18H20N4O3S
N-[[4-Ethyl-5-(2-phenoxyethylsulfanyl)-1,2,4-triazol-3-yl]methyl]furan-2-carboxamide chemical structure, C18H20N4O3S, CAS 879031-86-4
N-[[4-Ethyl-5-(2-phenoxyethylsulfanyl)-1,2,4-triazol-3-yl]methyl]furan-2-carboxamide
CAS 879031-86-4C18H20N4O3S
1-(Azepan-1-yl)-2-[6-(3-nitrophenyl)pyridazin-3-yl]sulfanylethanone chemical structure, C18H20N4O3S, CAS 893998-49-7
1-(Azepan-1-yl)-2-[6-(3-nitrophenyl)pyridazin-3-yl]sulfanylethanone
CAS 893998-49-7C18H20N4O3S
3-Ethyl-2-((2-morpholino-2-oxoethyl)thio)-3H-pyrimido[5,4-b]indol-4(5H)-one chemical structure, C18H20N4O3S, CAS 888458-84-2
3-Ethyl-2-((2-morpholino-2-oxoethyl)thio)-3H-pyrimido[5,4-b]indol-4(5H)-one
CAS 888458-84-2C18H20N4O3S
3-(3,4-Dimethoxyphenyl)-5-((4-methoxybenzyl)thio)-4H-1,2,4-triazol-4-amine chemical structure, C18H20N4O3S, CAS 585553-48-6
3-(3,4-Dimethoxyphenyl)-5-((4-methoxybenzyl)thio)-4H-1,2,4-triazol-4-amine
CAS 585553-48-6C18H20N4O3S
3-(3,4-Dimethoxyphenyl)-5-((3-methoxybenzyl)thio)-4H-1,2,4-triazol-4-amine chemical structure, C18H20N4O3S, CAS 676623-46-4
3-(3,4-Dimethoxyphenyl)-5-((3-methoxybenzyl)thio)-4H-1,2,4-triazol-4-amine
CAS 676623-46-4C18H20N4O3S
Cambridge id 5835275 chemical structure, C18H20N4O3S, CAS 178628-48-3
Cambridge id 5835275
CAS 178628-48-3C18H20N4O3S
N-(3-Methoxyphenyl)-4-(4-nitrophenyl)piperazine-1-carbothioamide chemical structure, C18H20N4O3S, CAS 690688-48-3
N-(3-Methoxyphenyl)-4-(4-nitrophenyl)piperazine-1-carbothioamide
CAS 690688-48-3C18H20N4O3S

Frequently asked questions

What is the molar mass of C18H20N4O3S?

The molar mass of C18H20N4O3S is 372.44 g/mol, calculated from standard atomic weights for 18 carbon atoms, 20 hydrogen atoms, 4 nitrogen atoms, 3 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 372.1256 Da.

How many compounds have the formula C18H20N4O3S?

CompoundList lists 241 compounds with the molecular formula C18H20N4O3S, including 1-(4-Methylphenyl)-5-[(3,4,5-trimethoxyphenyl)methylsulfanyl]tetrazole, Disperse Red 58, 4-Nitrobenzaldehyde N-(4-isopropoxybenzyl)thiosemicarbazone. 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 C18H20N4O3S?

C18H20N4O3S 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.