Molecular formula
C18H21N3O5S2
51 compounds have this formula on CompoundList.
- Molar mass
- 423.50g/mol
- Monoisotopic mass
- 423.0923Da
- Atoms
- 49
- Elements
- 5
- Rings plus double bonds
- 10
The formula C18H21N3O5S2 describes a molecule made of 18 carbon atoms, 21 hydrogen atoms, 3 nitrogen atoms, 5 oxygen atoms 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 × 1851.05%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 215.00%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 39.92%14.007 × 3 = 42.021 g/mol
- O Oxygen × 518.89%15.999 × 5 = 79.995 g/mol
- S Sulfur × 215.14%32.06 × 2 = 64.120 g/mol
Look up another formula
Compounds with the formula C18H21N3O5S2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 51 of 51 compounds
Prinomastat
CAS 192329-42-3C18H21N3O5S2
![2-[[[4-[(2,6-Dimethyl-4-morpholinyl)sulfonyl]phenyl]-oxomethyl]amino]-3-thiophenecarboxamide chemical structure, C18H21N3O5S2, CAS 864940-80-7](/s/HNMULCWIQZVHCA-UHFFFAOYSA-N.svg)
2-[[[4-[(2,6-Dimethyl-4-morpholinyl)sulfonyl]phenyl]-oxomethyl]amino]-3-thiophenecarboxamide
CAS 864940-80-7C18H21N3O5S2
N-(4-((4-(Phenylsulfonyl)piperazin-1-yl)sulfonyl)phenyl)acetamide
CAS 428823-02-3C18H21N3O5S2
![N-[[3-(Benzenesulfonyl)-1,3-oxazinan-2-yl]methyl]-N'-(thiophen-2-ylmethyl)oxamide chemical structure, C18H21N3O5S2, CAS 872881-18-0](/s/SGXGRHWKZKPPPK-UHFFFAOYSA-N.svg)
N-[[3-(Benzenesulfonyl)-1,3-oxazinan-2-yl]methyl]-N'-(thiophen-2-ylmethyl)oxamide
CAS 872881-18-0C18H21N3O5S2
![N'-[(4-Methylphenyl)methyl]-N-{[3-(thiophene-2-sulfonyl)-1,3-oxazolidin-2-yl]methyl}ethanediamide chemical structure, C18H21N3O5S2, CAS 874804-63-4](/s/JULZUBBZDNXZHH-UHFFFAOYSA-N.svg)
N'-[(4-Methylphenyl)methyl]-N-{[3-(thiophene-2-sulfonyl)-1,3-oxazolidin-2-yl]methyl}ethanediamide
CAS 874804-63-4C18H21N3O5S2
N',1-bis(benzenesulfonyl)piperidine-4-carbohydrazide
CAS 478030-21-6C18H21N3O5S2
N1-phenethyl-N2-((3-(thiophen-2-ylsulfonyl)oxazolidin-2-yl)methyl)oxalamide
CAS 874804-87-2C18H21N3O5S2
N1-benzyl-N2-((3-(thiophen-2-ylsulfonyl)-1,3-oxazinan-2-yl)methyl)oxalamide
CAS 869071-99-8C18H21N3O5S2
N1-(2-methoxyethyl)-N2-(1-(thiophen-2-ylsulfonyl)-1,2,3,4-tetrahydroquinolin-7-yl)oxalamide
CAS 898430-32-5C18H21N3O5S2
![N'-(2-Methoxyphenyl)-N-{[1-(thiophene-2-sulfonyl)pyrrolidin-2-yl]methyl}ethanediamide chemical structure, C18H21N3O5S2, CAS 896282-98-7](/s/KWPBHDWZOJVTBW-UHFFFAOYSA-N.svg)
N'-(2-Methoxyphenyl)-N-{[1-(thiophene-2-sulfonyl)pyrrolidin-2-yl]methyl}ethanediamide
CAS 896282-98-7C18H21N3O5S2
N1-(3-methoxyphenyl)-N2-((1-(thiophen-2-ylsulfonyl)pyrrolidin-2-yl)methyl)oxalamide
CAS 896281-08-6C18H21N3O5S2
4-Piperidin-1-ylsulfonyl-N-(4-sulfamoylphenyl)benzamide
CAS 380431-86-7C18H21N3O5S2
N1-(4-methoxyphenyl)-N2-((1-(thiophen-2-ylsulfonyl)pyrrolidin-2-yl)methyl)oxalamide
CAS 896294-11-4C18H21N3O5S2
N1-(3-hydroxypropyl)-N2-(1-(thiophen-2-ylsulfonyl)-1,2,3,4-tetrahydroquinolin-7-yl)oxalamide
CAS 898430-34-7C18H21N3O5S2
![N-[4-(2,3-Dihydro-1,4-benzodioxin-6-yl)-1,3-thiazol-2-yl]-1-methanesulfonylpiperidine-4-carboxamide chemical structure, C18H21N3O5S2, CAS 1021214-97-0](/s/HAFJGIRUVTTZCH-UHFFFAOYSA-N.svg)
N-[4-(2,3-Dihydro-1,4-benzodioxin-6-yl)-1,3-thiazol-2-yl]-1-methanesulfonylpiperidine-4-carboxamide
CAS 1021214-97-0C18H21N3O5S2
Diethyl 3-methyl-5-(2-(pyrimidin-2-ylthio)propanamido)thiophene-2,4-dicarboxylate
CAS 403844-92-8C18H21N3O5S2
(E)-Ethyl 4-(3-(5-(furan-2-ylmethylene)-4-oxo-2-thioxothiazolidin-3-yl)propanoyl)piperazine-1-carboxylate
CAS 612803-70-0C18H21N3O5S2
2-(4-(N-Methyl-N-((tetrahydrofuran-2-yl)methyl)sulfamoyl)benzamido)thiophene-3-carboxamide
CAS 868677-04-7C18H21N3O5S2
Methyl 3-(2-(6-benzyl-1,1-dioxido-1,2,6-thiadiazinan-2-yl)acetamido)thiophene-2-carboxylate
CAS 946300-80-7C18H21N3O5S2
(Z)-2-(5-(3,4-Dimethoxybenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)-N-morpholinoacetamide
CAS 681832-68-8C18H21N3O5S2
Ethyl 2-(1-(methylsulfonyl)pyrrolidine-2-carboxamido)-4-phenylthiazole-5-carboxylate
CAS 1219143-21-1C18H21N3O5S2
N-(3-Carbamoylthiophen-2-yl)-1-(4-methoxybenzenesulfonyl)piperidine-4-carboxamide
CAS 922487-27-2C18H21N3O5S2
Methyl 4-(2-(1-(methylsulfonyl)piperidine-3-carboxamido)thiazol-4-yl)benzoate
CAS 1060166-19-9C18H21N3O5S2
![N-{2-[1-Methanesulfonyl-5-(2-methoxyphenyl)-4,5-dihydro-1H-pyrazol-3-yl]phenyl}methanesulfonamide chemical structure, C18H21N3O5S2, CAS 921116-67-8](/s/MUNCKACQWPRYRB-UHFFFAOYSA-N.svg)
N-{2-[1-Methanesulfonyl-5-(2-methoxyphenyl)-4,5-dihydro-1H-pyrazol-3-yl]phenyl}methanesulfonamide
CAS 921116-67-8C18H21N3O5S2
- Methyl 2-(2-(2-morpholino-4-oxo-4,5-dihydrothiazol-5-yl)acetamido)-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate1010934-18-5C18H21N3O5S2
- 4-(1,1-Dioxido-3-oxoisothiazolidin-2-yl)-N,2-dimethyl-N-(2-(pyridin-4-yl)ethyl)benzenesulfonamide1015602-33-1C18H21N3O5S2
- Diethyl3-methyl-5-({[(4-methyl-2-pyrimidinyl)thio]acetyl}amino)-2,4-thiophenedicarboxylate677735-16-9C18H21N3O5S2
- 3-Cyclohexyl-N-{5-[(4-nitrophenyl)sulfonyl]-1,3-thiazol-2-yl}propanamide599161-30-5C18H21N3O5S2
- N-(3-(5-(4-Methoxyphenyl)-1-(methylsulfonyl)-4,5-dihydro-1H-pyrazol-3-yl)phenyl)methanesulfonamide851782-23-5C18H21N3O5S2
- N-{2-[1-Methanesulfonyl-5-(4-methoxyphenyl)-4,5-dihydro-1H-pyrazol-3-yl]phenyl}methanesulfonamide923131-15-1C18H21N3O5S2
- N-(4-(5-(2-Methoxyphenyl)-1-(methylsulfonyl)-4,5-dihydro-1H-pyrazol-3-yl)phenyl)methanesulfonamide852140-87-5C18H21N3O5S2
- N-(3-(5-(2-Methoxyphenyl)-1-(methylsulfonyl)-4,5-dihydro-1H-pyrazol-3-yl)phenyl)methanesulfonamide852141-71-0C18H21N3O5S2
- 4-(1,1-Dioxido-3-oxoisothiazolidin-2-yl)-N-ethyl-N-(2-(pyridin-4-yl)ethyl)benzenesulfonamide951898-20-7C18H21N3O5S2
- N-Methyl-4-(4-methyl-1,1-dioxido-3-oxoisothiazolidin-2-yl)-N-(2-(pyridin-4-yl)ethyl)benzenesulfonamide951895-75-3C18H21N3O5S2
- Methyl 2-{[(4-ethoxy-2-nitrophenyl)carbamothioyl]amino}-4-ethyl-5-methylthiophene-3-carboxylate701951-80-6C18H21N3O5S2
- 6-{[(5-Cyclopropaneamido-1,3,4-thiadiazol-2-yl)sulfanyl]methyl}-4-oxo-4H-pyran-3-yl 2-ethylbutanoate877650-63-0C18H21N3O5S2
- (3R)-N-Hydroxy-2,2-dimethyl-4-[4-(pyridin-4-yloxy)benzenesulfonyl]thiomorpholine-3-carboxamide207795-16-2C18H21N3O5S2
- Methyl 5,5,7,7-tetramethyl-2-(5-nitrothiophene-2-carboxamido)-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3-carboxylate864860-22-0C18H21N3O5S2
- 2-((5-(N,N-Dimethylsulfamoyl)-2-methylphenyl)amino)-2-oxoethyl 2-(methylthio)nicotinate380176-64-7C18H21N3O5S2
- N-Hydroxy-2,2-dimethyl-4-[4-(pyridin-4-yloxy)benzenesulfonyl]thiomorpholine-3-carboxamide2650242-15-0C18H21N3O5S2
- Methyl 1-(2-((4-(methylsulfonyl)phenyl)amino)thiazole-4-carbonyl)piperidine-4-carboxylate1171623-10-1C18H21N3O5S2
- 1-(Benzenesulfonyl)-N-(4-sulfamoylphenyl)piperidine-4-carboxamide799257-54-8C18H21N3O5S2
- 4-[Bis(2-methoxyethyl)sulfamoyl]-N-(3-cyanothiophen-2-yl)benzamide865546-27-6C18H21N3O5S2
- Ethyl 2-(4-(piperidin-1-ylsulfonyl)benzamido)thiazole-5-carboxylate868212-97-9C18H21N3O5S2
- 6-(Benzylthio)-2-(6-(hydroxymethyl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)-5-thioxo-4,5-dihydro-1,2,4-triazin-3(2H)-one90302-12-8C18H21N3O5S2
- N-(4-(5-(4-Methoxyphenyl)-1-(methylsulfonyl)-4,5-dihydro-1H-pyrazol-3-yl)phenyl)methanesulfonamide851780-88-6C18H21N3O5S2
- 4,5-Dimethyl-2-(4-(morpholinosulfonyl)benzamido)thiophene-3-carboxamide896307-18-9C18H21N3O5S2
- 4-(((1R,3s,5S)-3-(Pyridin-2-yloxy)-8-azabicyclo[3.2.1]octan-8-yl)sulfonyl)benzenesulfonamide2108482-06-8C18H21N3O5S2
- 4-{4-[3-(1,3-Thiazol-2-yloxy)pyrrolidine-1-carbonyl]benzenesulfonyl}morpholine2200430-27-7C18H21N3O5S2
- 1-(2-Methoxyphenyl)-5-oxo-N-{2-[(thiophen-2-ylsulfonyl)amino]ethyl}pyrrolidine-3-carboxamide1040705-51-8C18H21N3O5S2
- 3-(2-Phenylethenesulfonamido)-N-[3-(sulfamoylmethyl)phenyl]propanamide1241697-45-9C18H21N3O5S2
Frequently asked questions
What is the molar mass of C18H21N3O5S2?
The molar mass of C18H21N3O5S2 is 423.50 g/mol, calculated from standard atomic weights for 18 carbon atoms, 21 hydrogen atoms, 3 nitrogen atoms, 5 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 423.0923 Da.
How many compounds have the formula C18H21N3O5S2?
CompoundList lists 51 compounds with the molecular formula C18H21N3O5S2, including Prinomastat, 2-[[[4-[(2,6-Dimethyl-4-morpholinyl)sulfonyl]phenyl]-oxomethyl]amino]-3-thiophenecarboxamide, N-(4-((4-(Phenylsulfonyl)piperazin-1-yl)sulfonyl)phenyl)acetamide. 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 C18H21N3O5S2?
C18H21N3O5S2 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.