Molecular formula
C21H18N4O3S
126 compounds have this formula on CompoundList.
- Molar mass
- 406.46g/mol
- Monoisotopic mass
- 406.1100Da
- Atoms
- 47
- Elements
- 5
- Rings plus double bonds
- 15
The formula C21H18N4O3S describes a molecule made of 21 carbon atoms, 18 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 × 2162.06%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 184.46%1.008 × 18 = 18.144 g/mol
- N Nitrogen × 413.78%14.007 × 4 = 56.028 g/mol
- O Oxygen × 311.81%15.999 × 3 = 47.997 g/mol
- S Sulfur × 17.89%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C21H18N4O3S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 126 compounds
![1-Allyl-2-imino-3-[(4-methylphenyl)sulfonyl]-1,2-dihydro-5H-dipyrido[1,2-A:2,3-D]pyrimidin-5-one chemical structure, C21H18N4O3S, CAS 606957-89-5](/s/ZWDOCXBPVPXPFQ-UHFFFAOYSA-N.svg)
1-Allyl-2-imino-3-[(4-methylphenyl)sulfonyl]-1,2-dihydro-5H-dipyrido[1,2-A:2,3-D]pyrimidin-5-one
CAS 606957-89-5C21H18N4O3S
![3-[[4-Phenyl-5-(quinolin-8-yloxymethyl)-1,2,4-triazol-3-yl]sulfanyl]propanoic acid chemical structure, C21H18N4O3S, CAS 835892-88-1](/s/TZMZWMVZCRTASN-UHFFFAOYSA-N.svg)
3-[[4-Phenyl-5-(quinolin-8-yloxymethyl)-1,2,4-triazol-3-yl]sulfanyl]propanoic acid
CAS 835892-88-1C21H18N4O3S
![Methyl 5-[(4-benzyl-5-pyridin-4-yl-1,2,4-triazol-3-yl)sulfanylmethyl]furan-2-carboxylate chemical structure, C21H18N4O3S, CAS 378214-50-7](/s/YZPUBTHXXMXHCW-UHFFFAOYSA-N.svg)
Methyl 5-[(4-benzyl-5-pyridin-4-yl-1,2,4-triazol-3-yl)sulfanylmethyl]furan-2-carboxylate
CAS 378214-50-7C21H18N4O3S
![1-(Furan-2-ylmethyl)-3-(4-methylphenyl)sulfonyl-2H-imidazo[4,5-b]quinoxaline chemical structure, C21H18N4O3S, CAS 844861-99-0](/s/QRARHIHTCLJIEJ-UHFFFAOYSA-N.svg)
1-(Furan-2-ylmethyl)-3-(4-methylphenyl)sulfonyl-2H-imidazo[4,5-b]quinoxaline
CAS 844861-99-0C21H18N4O3S
![N-[5-[(4-Methoxyphenyl)methyl]-1,3,4-thiadiazol-2-yl]-5-methyl-3-phenyl-1,2-oxazole-4-carboxamide chemical structure, C21H18N4O3S, CAS 521295-13-6](/s/AJSBWLJCIVIURM-UHFFFAOYSA-N.svg)
N-[5-[(4-Methoxyphenyl)methyl]-1,3,4-thiadiazol-2-yl]-5-methyl-3-phenyl-1,2-oxazole-4-carboxamide
CAS 521295-13-6C21H18N4O3S
![2-{2-[5-Amino-4-(4-methoxyphenyl)-1H-pyrazol-1-yl]-4-phenyl-1,3-thiazol-5-yl}acetic acid chemical structure, C21H18N4O3S, CAS 956361-16-3](/s/OUVQWVWTGRDEAN-UHFFFAOYSA-N.svg)
2-{2-[5-Amino-4-(4-methoxyphenyl)-1H-pyrazol-1-yl]-4-phenyl-1,3-thiazol-5-yl}acetic acid
CAS 956361-16-3C21H18N4O3S
(Z)-2-((1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)amino)-5-(4-hydroxybenzylidene)thiazol-4(5H)-one
CAS 1164509-37-8C21H18N4O3S
![N-(4-Methoxyphenyl)-2-(5-oxo-2,3-dihydro[1,3]thiazolo[3',2':1,2]pyrimido[5,4-b]indol-6(5H)-yl)acetamide chemical structure, C21H18N4O3S, CAS 697240-99-6](/s/REECKKLIOHBMCU-UHFFFAOYSA-N.svg)
N-(4-Methoxyphenyl)-2-(5-oxo-2,3-dihydro[1,3]thiazolo[3',2':1,2]pyrimido[5,4-b]indol-6(5H)-yl)acetamide
CAS 697240-99-6C21H18N4O3S
2-Amino-4-(3-methyl-2-thienyl)-1-(4-nitrophenyl)-5-oxo-1,4,5,6,7,8-hexahydro-3-quinolinecarbonitrile
CAS 350588-89-5C21H18N4O3S
![N-[4-[[3-(1H-Benzimidazol-2-yl)phenyl]sulfamoyl]phenyl]acetamide chemical structure, C21H18N4O3S, CAS 312595-62-3](/s/AQZWVFHNGVKRTE-UHFFFAOYSA-N.svg)
N-[4-[[3-(1H-Benzimidazol-2-yl)phenyl]sulfamoyl]phenyl]acetamide
CAS 312595-62-3C21H18N4O3S
![N-[3-(Benzenesulfonyl)-1-prop-2-enylpyrrolo[3,2-b]quinoxalin-2-yl]acetamide chemical structure, C21H18N4O3S, CAS 373619-93-3](/s/MMXQCSAJVCDRIL-UHFFFAOYSA-N.svg)
N-[3-(Benzenesulfonyl)-1-prop-2-enylpyrrolo[3,2-b]quinoxalin-2-yl]acetamide
CAS 373619-93-3C21H18N4O3S
![Methyl [1-(1,3-benzothiazol-2-yl)-5-oxo-4-(4-toluidinomethylene)-4,5-dihydro-1H-pyrazol-3-yl]acetate chemical structure, C21H18N4O3S, CAS 523992-09-8](/s/GFQBCYSQTLCFHB-UHFFFAOYSA-N.svg)
Methyl [1-(1,3-benzothiazol-2-yl)-5-oxo-4-(4-toluidinomethylene)-4,5-dihydro-1H-pyrazol-3-yl]acetate
CAS 523992-09-8C21H18N4O3S
Methanesulfonanilide, 4'-((4-carbamoyl-9-acridinyl)amino)-
CAS 72739-02-7C21H18N4O3S
![2-Ethoxy-N-(3-(7-methyl-5-oxo-5H-thiazolo[3,2-a]pyrimidin-3-yl)phenyl)nicotinamide chemical structure, C21H18N4O3S, CAS 1020979-62-7](/s/AQHPVQNLMGDQOM-UHFFFAOYSA-N.svg)
2-Ethoxy-N-(3-(7-methyl-5-oxo-5H-thiazolo[3,2-a]pyrimidin-3-yl)phenyl)nicotinamide
CAS 1020979-62-7C21H18N4O3S
![1-Allyl-2-imino-10-methyl-3-(phenylsulfonyl)-1,2-dihydro-5H-dipyrido[1,2-a:2,3-d]pyrimidin-5-one chemical structure, C21H18N4O3S, CAS 371203-70-2](/s/AYRRNRZDVSHPJD-UHFFFAOYSA-N.svg)
1-Allyl-2-imino-10-methyl-3-(phenylsulfonyl)-1,2-dihydro-5H-dipyrido[1,2-a:2,3-d]pyrimidin-5-one
CAS 371203-70-2C21H18N4O3S
9-((4-((Methylsulfonyl)amino)phenyl)amino)-2-acridinecarboxamide
CAS 72739-01-6C21H18N4O3S
![1-Allyl-2-imino-8-methyl-3-(phenylsulfonyl)-1H-dipyrido[1,2-a:2',3'-d]pyrimidin-5(2H)-one chemical structure, C21H18N4O3S, CAS 606957-48-6](/s/IITMYKWZHCOIOF-UHFFFAOYSA-N.svg)
1-Allyl-2-imino-8-methyl-3-(phenylsulfonyl)-1H-dipyrido[1,2-a:2',3'-d]pyrimidin-5(2H)-one
CAS 606957-48-6C21H18N4O3S
![N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2-({4-methyl-[1,2,4]triazolo[4,3-A]quinolin-1-YL}sulfanyl)acetamide chemical structure, C21H18N4O3S, CAS 516451-56-2](/s/OIZNDNWPXYXQJB-UHFFFAOYSA-N.svg)
N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2-({4-methyl-[1,2,4]triazolo[4,3-A]quinolin-1-YL}sulfanyl)acetamide
CAS 516451-56-2C21H18N4O3S
![4-Methoxy-N-(6-methylbenzo[d]thiazol-2-yl)-6-oxo-1-(o-tolyl)-1,6-dihydropyridazine-3-carboxamide chemical structure, C21H18N4O3S, CAS 941926-77-8](/s/BXZXMHQHJVFRJY-UHFFFAOYSA-N.svg)
4-Methoxy-N-(6-methylbenzo[d]thiazol-2-yl)-6-oxo-1-(o-tolyl)-1,6-dihydropyridazine-3-carboxamide
CAS 941926-77-8C21H18N4O3S
![5-{4-[(4-Hydroxyphenyl)amino]phthalazin-1-yl}-2-methylbenzenesulfonamide chemical structure, C21H18N4O3S, CAS 333412-98-9](/s/CDAWMQZSOPLPRB-UHFFFAOYSA-N.svg)
5-{4-[(4-Hydroxyphenyl)amino]phthalazin-1-yl}-2-methylbenzenesulfonamide
CAS 333412-98-9C21H18N4O3S
2-(((2-(4-Methoxyphenyl)-5-methyloxazol-4-yl)methyl)thio)-6-(pyridin-3-yl)pyrimidin-4(3H)-one
CAS 1105233-28-0C21H18N4O3S
2-(((2-(4-Methoxyphenyl)-5-methyloxazol-4-yl)methyl)thio)-6-(pyridin-4-yl)pyrimidin-4(3H)-one
CAS 1105216-13-4C21H18N4O3S
![2-(4-(4-Methoxyphenyl)-6-oxopyrimidin-1(6H)-yl)-N-(6-methylbenzo[d]thiazol-2-yl)acetamide chemical structure, C21H18N4O3S, CAS 1058437-63-0](/s/OVJCGEZKNPUBJX-UHFFFAOYSA-N.svg)
2-(4-(4-Methoxyphenyl)-6-oxopyrimidin-1(6H)-yl)-N-(6-methylbenzo[d]thiazol-2-yl)acetamide
CAS 1058437-63-0C21H18N4O3S
6-(3-Methoxyphenyl)-2-((3-(4-(methylthio)phenyl)-1,2,4-oxadiazol-5-yl)methyl)pyridazin-3(2H)-one
CAS 1040631-58-0C21H18N4O3S
- N-(3-Acetylphenyl)-2-(7,9-dimethyl-4-oxopyrido[3',2':4,5]thieno[3,2-d]pyrimidin-3(4H)-yl)acetamide1040662-22-3C21H18N4O3S
- N-(2-(6-Oxo-3-(pyridin-4-yl)pyridazin-1(6H)-yl)ethyl)naphthalene-2-sulfonamide1021108-65-5C21H18N4O3S
- 1-(3-Methoxyphenyl)-3-(3-(7-methyl-5-oxo-5H-thiazolo[3,2-a]pyrimidin-3-yl)phenyl)urea1021074-22-5C21H18N4O3S
- N-(Benzo[d]thiazol-2-yl)-2-(4-(4-ethoxyphenyl)-6-oxopyrimidin-1(6H)-yl)acetamide1060189-79-8C21H18N4O3S
- 2-(2-(6-(4-Methoxyphenyl)imidazo[2,1-b]thiazol-3-yl)acetamido)benzamide897461-35-7C21H18N4O3S
- 6-(4-Methoxyphenyl)-2-(((3-(o-tolyl)-1,2,4-oxadiazol-5-yl)methyl)thio)pyrimidin-4-ol1021211-42-6C21H18N4O3S
- 7-Benzyl-3-methyl-8-((2-oxo-2-phenylethyl)thio)-1H-purine-2,6(3H,7H)-dione301354-23-4C21H18N4O3S
- 7-[(4-Ethyl-5-phenyl-4H-1,2,4-triazol-3-yl)thio]-8-methyl[1,3]dioxolo[4,5-g]quinolin-6(5H)-one447431-83-6C21H18N4O3S
- N-{4-[(3-{Imidazo[1,2-a]pyridin-2-yl}phenyl)sulfamoyl]phenyl}acetamide537021-04-8C21H18N4O3S
- 4-Methoxy-N-(3-(phenylamino)quinoxalin-2-yl)benzenesulfonamide714937-46-9C21H18N4O3S
- Methyl 2-({(1E)-1-[1-(1,3-benzothiazol-2-yl)-3-methyl-5-oxo-1,5-dihydro-4H-pyrazol-4-ylidene]ethyl}amino)benzoate516455-54-2C21H18N4O3S
- (E)-4-((2-Cyano-2-(4-(3,4-dimethoxyphenyl)thiazol-2-yl)vinyl)amino)benzamide369392-39-2C21H18N4O3S
- Methyl4-[3-(allylthio)-6,7-dihydro[1,2,4]triazino[5,6-d][3,1]benzoxazepin-6-yl]benzoate426252-91-7C21H18N4O3S
- Methyl 2-[4-phenyl-5-(8-quinolyloxymethyl)-1,2,4-triazol-3-ylthio]acetate102061-77-8C21H18N4O3S
- N-{3-[(3-Methoxyphenyl)amino]quinoxalin-2-yl}benzenesulfonamide331723-61-6C21H18N4O3S
- N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2-({5-methyl-[1,2,4]triazolo[4,3-A]quinolin-1-YL}sulfanyl)acetamide379239-46-0C21H18N4O3S
- 3-Amino-N-(2,5-dimethoxyphenyl)-6-(4-pyridinyl)thieno[2,3-b]pyridine-2-carboxamide496019-15-9C21H18N4O3S
- N-[3-(4-Methoxyanilino)quinoxalin-2-yl]benzenesulfonamide296261-88-6C21H18N4O3S
- 1-(4-Methoxyphenyl)-2-((6-(3-methoxyphenyl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)thio)ethanone891096-25-6C21H18N4O3S
- N-(4-(5-((4-Methoxyphenyl)(methyl)amino)-1,3,4-thiadiazol-2-yl)phenyl)furan-2-carboxamide1021059-70-0C21H18N4O3S
- N~3~,6-dibenzyl-N~3~-methyl-5,7-dioxo-4,5,6,7-tetrahydroisothiazolo[4,3-d]pyrimidine-3-carboxamide1251630-35-9C21H18N4O3S
- 3-({[3-(2,4-Dimethoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl}sulfanyl)-6-phenylpyridazine1111419-02-3C21H18N4O3S
- 2-Benzyl-N-[5-(methoxymethyl)-1,3,4-thiadiazol-2-yl]-1-oxo-1,2-dihydroisoquinoline-4-carboxamide1324072-49-2C21H18N4O3S
- 2-(2-Methoxyethyl)-1-oxo-N-[4-(pyridin-3-yl)-1,3-thiazol-2-yl]-1,2-dihydroisoquinoline-4-carboxamide1351699-03-0C21H18N4O3S
- 2-({[3-(3-Ethoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl}sulfanyl)-6-phenylpyrimidin-4-ol1207002-08-1C21H18N4O3S
- 3-Amino-N-(3,4-dimethoxyphenyl)-6-(4-pyridinyl)thieno[2,3-b]pyridine-2-carboxamide496019-31-9C21H18N4O3S
- {[4-(2-Phenyldiazen-1-yl)phenyl]carbamoyl}methyl 2-(methylsulfanyl)pyridine-3-carboxylate743454-29-7C21H18N4O3S
- 5-(Cinnamylthio)-7-(furan-2-yl)-1,3-dimethylpyrimido[4,5-d]pyrimidine-2,4(1H,3H)-dione1321772-53-5C21H18N4O3S
- 4-Ethyl-N-(2-(p-tolylcarbamoyl)benzofuran-3-yl)-1,2,3-thiadiazole-5-carboxamide899975-57-6C21H18N4O3S
- N-(2-(3-(Furan-2-yl)-6-oxopyridazin-1(6H)-yl)ethyl)-4-methyl-2-phenylthiazole-5-carboxamide946263-61-2C21H18N4O3S
- 4-[4-(1,3-Benzodioxol-5-yl)-1,3-thiazol-2-yl]-1-(4-ethoxyphenyl)-5-methyl-1H-1,2,3-triazole1021227-99-5C21H18N4O3S
- N-[(2E)-5-Methyl-1,3,4-thiadiazol-2(3H)-ylidene]-1,3-dioxo-2-(3-phenylpropyl)-2,3-dihydro-1H-isoindole-5-carboxamide1144435-17-5C21H18N4O3S
- N~1~-(1H-1,3-benzimidazol-2-yl)-4-{[(phenylsulfonyl)amino]methyl}benzamide1010895-70-1C21H18N4O3S
- 1-(4-Methoxyphenyl)-3-(3-(7-methyl-5-oxo-5H-thiazolo[3,2-a]pyrimidin-3-yl)phenyl)urea1021040-18-5C21H18N4O3S
- 1-(2-Methoxyphenyl)-3-(4-(7-methyl-5-oxo-5H-thiazolo[3,2-a]pyrimidin-3-yl)phenyl)urea1105246-99-8C21H18N4O3S
- N-(2-Methoxyphenyl)-2-[3-(4-methylphenyl)-7-oxo-6H,7H-[1,2]thiazolo[4,5-d]pyrimidin-6-yl]acetamide1112395-65-9C21H18N4O3S
- 3-(3,5-Dimethoxyphenyl)-5-(((6-phenylpyridazin-3-yl)thio)methyl)-1,2,4-oxadiazole1111260-28-6C21H18N4O3S
- 3-({[3-(3,4-Dimethoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl}thio)-6-phenylpyridazine1111290-52-8C21H18N4O3S
- 2-Ethoxy-N-(2-((3-(thiophen-2-yl)-1,2,4-oxadiazol-5-yl)methyl)phenyl)nicotinamide1798019-22-3C21H18N4O3S
- Methyl 4-({(1Z)-1-[1-(1,3-benzothiazol-2-yl)-3-methyl-5-oxo-1,5-dihydro-4H-pyrazol-4-ylidene]ethyl}amino)benzoate884421-49-2C21H18N4O3S
- 2-{[5-(3-Hydroxy-2-naphthyl)-4-methyl-4H-1,2,4-triazol-3-yl]thio}-N-(3-hydroxyphenyl)acetamide932924-44-2C21H18N4O3S
- 2-{[5-(Furan-2-yl)-4-methyl-4H-1,2,4-triazol-3-yl]sulfanyl}-N-(4-phenoxyphenyl)acetamide577986-02-8C21H18N4O3S
- N-[3-(3-Hydroxyanilino)quinoxalin-2-yl]-4-methylbenzenesulfonamide301357-65-3C21H18N4O3S
- 3(4H)-Quinazolineacetamide, 2-((2-methylphenoxy)methyl)-4-oxo-N-thiazolyl-85099-82-7C21H18N4O3S
- 2-((3-(3,4-Dimethoxyphenyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)-1-phenylethanone852438-04-1C21H18N4O3S
- 1,1'-(3-(4-Methoxyphenyl)-6-phenyl-5H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazine-5,7-diyl)diethanone896274-15-0C21H18N4O3S
- 2-(1,3-Dimethyl-2,4-dioxopyrido[2,3-d]pyrimidin-5-yl)sulfanyl-N-naphthalen-1-ylacetamide899748-44-8C21H18N4O3S
- 1-(3-Methoxyphenyl)-3-[2-oxo-3-(thiophen-2-ylmethyl)quinazolin-4-yl]urea941946-64-1C21H18N4O3S
- (2E)-2-Cyano-3-(1-prop-2-enylindol-3-yl)-N-(4-sulfamoylphenyl)prop-2-enamide890356-74-8C21H18N4O3S
- N-(2-((6-(Furan-2-yl)pyridazin-3-yl)oxy)ethyl)-4-methyl-2-phenylthiazole-5-carboxamide920357-97-7C21H18N4O3S
- N-(4-Carbamoylphenyl)-6-(4-methoxyphenyl)-3-methylimidazo[2,1-b]thiazole-2-carboxamide852135-18-3C21H18N4O3S
- 1-(3,4-Dimethoxyphenyl)-3-(3-(thiazolo[5,4-b]pyridin-2-yl)phenyl)urea1058216-24-2C21H18N4O3S
- N-(1-(4,6-Dimethylbenzo[d]thiazol-2-yl)-3-methyl-1H-pyrazol-5-yl)benzo[d][1,3]dioxole-5-carboxamide1171757-08-6C21H18N4O3S
- N-(2-(1H-Pyrazol-1-yl)ethyl)-N-(benzo[d]thiazol-2-yl)-2,3-dihydrobenzo[b][1,4]dioxine-6-carboxamide1171800-85-3C21H18N4O3S
- {7-Methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-2-yl}methyl 3-cyano-6-cyclopropyl-2-(methylsulfanyl)pyridine-4-carboxylate1090747-28-6C21H18N4O3S
- 1-(3-Methoxyphenyl)-3-(4-(7-methyl-5-oxo-5H-thiazolo[3,2-a]pyrimidin-3-yl)phenyl)urea1105209-19-5C21H18N4O3S
- N-(4-Methoxyphenyl)-2-[3-(4-methylphenyl)-7-oxo-6H,7H-[1,2]thiazolo[4,5-d]pyrimidin-6-yl]acetamide1112428-37-1C21H18N4O3S
- N-(4-Methoxyphenyl)-2-[3-(3-methylphenyl)-7-oxo-6H,7H-[1,2]thiazolo[4,5-d]pyrimidin-6-yl]acetamide1113121-42-8C21H18N4O3S
- 7-(3-Methoxyphenyl)-3-((2-oxo-2-(p-tolyl)ethyl)thio)-[1,2,4]triazolo[4,3-a]pyrazin-8(7H)-one1243034-23-2C21H18N4O3S
- 7-(4-Ethoxyphenyl)-3-((2-oxo-2-phenylethyl)thio)-[1,2,4]triazolo[4,3-a]pyrazin-8(7H)-one1242966-54-6C21H18N4O3S
- Methyl 2-[(1H-indazol-3-ylcarbonyl)amino]-5-(2-phenylethyl)-1,3-thiazole-4-carboxylate1401573-67-8C21H18N4O3S
- Benzo[d]thiazol-2-yl(3-(3-(2-methoxybenzyl)-1,2,4-oxadiazol-5-yl)azetidin-1-yl)methanone1396806-65-7C21H18N4O3S
- 2-((4-Hydroxy-1-(o-tolyl)-1H-pyrazolo[3,4-d]pyrimidin-6-yl)thio)-1-(4-methoxyphenyl)ethanone922841-79-0C21H18N4O3S
- Benzyl 2-((4-hydroxy-1-(m-tolyl)-1H-pyrazolo[3,4-d]pyrimidin-6-yl)thio)acetate922568-61-4C21H18N4O3S
- 6-(3-Methoxyphenyl)-2-(((3-(o-tolyl)-1,2,4-oxadiazol-5-yl)methyl)thio)pyrimidin-4-ol1021211-35-7C21H18N4O3S
- (2-(1H-Indol-2-yl)thiazol-4-yl)(4-(furan-2-carbonyl)piperazin-1-yl)methanone1170257-85-8C21H18N4O3S
- Methyl 6-amino-4-[4-(1H-benzimidazol-1-ylmethyl)thiophen-2-yl]-5-cyano-2-methyl-4H-pyran-3-carboxylate727686-48-8C21H18N4O3S
- N-(2-(2-(m-Tolyl)thiazolo[3,2-b][1,2,4]triazol-6-yl)ethyl)benzo[d][1,3]dioxole-5-carboxamide894021-91-1C21H18N4O3S
- 4-Methoxy-N-(6-methylbenzo[d]thiazol-2-yl)-6-oxo-1-(p-tolyl)-1,6-dihydropyridazine-3-carboxamide942005-20-1C21H18N4O3S
- 2-(2,4-Dioxo-3-(thiophen-2-ylmethyl)-3,4-dihydropyrido[3,2-d]pyrimidin-1(2H)-yl)-N-(m-tolyl)acetamide955789-56-7C21H18N4O3S
- N-(2-Methoxyphenyl)-2-(2-methyl-4-oxo-7-phenylthiazolo[4,5-d]pyridazin-5(4H)-yl)acetamide941897-25-2C21H18N4O3S
- N-(3-Methoxyphenyl)-2-(2-methyl-4-oxo-7-phenylthiazolo[4,5-d]pyridazin-5(4H)-yl)acetamide941948-89-6C21H18N4O3S
- N-(4-Methoxyphenyl)-2-(2-methyl-4-oxo-7-phenylthiazolo[4,5-d]pyridazin-5(4H)-yl)acetamide941942-42-3C21H18N4O3S
- 2-Benzamido-N-(4-carbamoylphenyl)-5,6-dihydro-4H-cyclopenta[d]thiazole-4-carboxamide941967-89-1C21H18N4O3S
- 7-(Furan-2-yl)-2-methyl-5-[2-oxo-2-(1,2,3,4-tetrahydroquinolin-1-yl)ethyl]-4H,5H-[1,3]thiazolo[4,5-d]pyridazin-4-one946345-88-6C21H18N4O3S
- 2-(4-Methoxyphenyl)-N-[(2Z)-4-methyl-5-(3-phenyl-1,2,4-oxadiazol-5-yl)-1,3-thiazol-2(3H)-ylidene]acetamide1144478-33-0C21H18N4O3S
Frequently asked questions
What is the molar mass of C21H18N4O3S?
The molar mass of C21H18N4O3S is 406.46 g/mol, calculated from standard atomic weights for 21 carbon atoms, 18 hydrogen atoms, 4 nitrogen atoms, 3 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 406.1100 Da.
How many compounds have the formula C21H18N4O3S?
CompoundList lists 126 compounds with the molecular formula C21H18N4O3S, including 1-Allyl-2-imino-3-[(4-methylphenyl)sulfonyl]-1,2-dihydro-5H-dipyrido[1,2-A:2,3-D]pyrimidin-5-one, 3-[[4-Phenyl-5-(quinolin-8-yloxymethyl)-1,2,4-triazol-3-yl]sulfanyl]propanoic acid, Methyl 5-[(4-benzyl-5-pyridin-4-yl-1,2,4-triazol-3-yl)sulfanylmethyl]furan-2-carboxylate. 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 C21H18N4O3S?
C21H18N4O3S has a degree of unsaturation of 15. 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.