Molecular formula

C₁₈H₁₇N₃O₅S

127 compounds have this formula on CompoundList.

Molar mass: 387.41g/mol
Monoisotopic mass: 387.0889Da
Atoms: 44
Elements: 5
Rings plus double bonds: 12

The formula C18H17N3O5S describes a molecule made of 18 carbon atoms, 17 hydrogen atoms, 3 nitrogen atoms, 5 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 × 1855.81%
12.011 × 18 = 216.198 g/mol
H Hydrogen × 174.42%
1.008 × 17 = 17.136 g/mol
N Nitrogen × 310.85%
14.007 × 3 = 42.021 g/mol
O Oxygen × 520.65%
15.999 × 5 = 79.995 g/mol
S Sulfur × 18.28%
32.06 × 1 = 32.060 g/mol

Look up another formula

Compounds with the formula C18H17N3O5S

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

Showing 1 to 100 of 127 compounds

Ethyl (2-{[(4-hydroxy-1-methyl-2-oxo-1,2-dihydro-3-quinolinyl)carbonyl]amino}-1,3-thiazol-4-yl)acetate

CAS 334498-20-3C₁₈H₁₇N₃O₅S

1-Ethyl-4-hydroxy-2-oxo-N-(2-sulfamoylphenyl)-1,2-dihydroquinoline-3-carboxamide

CAS 303776-53-6C₁₈H₁₇N₃O₅S

3-[(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)sulfamoyl]benzoic acid

CAS 307511-52-0C₁₈H₁₇N₃O₅S

4-[(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)sulfamoyl]benzoic acid

CAS 31816-70-3C₁₈H₁₇N₃O₅S

N-(1-Methyl-2-oxo-2,4,5,6-tetrahydro-1H-pyrrolo[3,2,1-ij]quinolin-8-yl)-4-nitrobenzenesulfonamide

CAS 898426-78-3C₁₈H₁₇N₃O₅S

N-[4-(2-{[(2,2-Dimethyl-4,6-dioxo-1,3-dioxan-5-ylidene)methyl]amino}-1,3-thiazol-4-yl)phenyl]acetamide

CAS 497060-17-0C₁₈H₁₇N₃O₅S

N-(Furan-2-ylmethyl)-4-(8-oxo-6-sulfanylidene-5H-[1,3]dioxolo[4,5-g]quinazolin-7-yl)butanamide

CAS 896704-70-4C₁₈H₁₇N₃O₅S

N-(3-Acetamidophenyl)-3-(1,1-dioxido-3-oxobenzo[d]isothiazol-2(3H)-yl)propanamide

CAS 899955-02-3C₁₈H₁₇N₃O₅S

3-(Benzenesulfonyl)-N-[5-(2-methoxyphenyl)-1,3,4-oxadiazol-2-yl]propanamide

CAS 903265-15-6C₁₈H₁₇N₃O₅S

$4-Nitro-N-{2-oxo-1-azatricyclo[7.3.1.0^{5,13}]trideca-5,7,9(13)-trien-7-yl}benzene-1-sulfonamide chemical structure, C18H17N3O5S, CAS 898412-10-7$

4-Nitro-N-{2-oxo-1-azatricyclo[7.3.1.0^{5,13}]trideca-5,7,9(13)-trien-7-yl}benzene-1-sulfonamide

CAS 898412-10-7C₁₈H₁₇N₃O₅S

N'-(4,7-Dimethoxybenzo[d]thiazol-2-yl)-2,3-dihydrobenzo[b][1,4]dioxine-2-carbohydrazide

CAS 851988-13-1C₁₈H₁₇N₃O₅S

2-Methoxy-N-(4-{[(5-methyl-3-isoxazolyl)amino]sulfonyl}phenyl)benzamide

CAS 378228-31-0C₁₈H₁₇N₃O₅S

N-(4-Ethoxy-2-nitrophenyl)-2-(3-oxo-3,4-dihydro-2H-1,4-benzothiazin-2-yl)acetamide

CAS 367908-42-7C₁₈H₁₇N₃O₅S

2-(7-Ethoxy-3-oxo-3,4-dihydro-2H-1,4-benzothiazin-2-yl)-N-(2-nitrophenyl)acetamide

CAS 39900-77-1C₁₈H₁₇N₃O₅S

(E)-2-Cyano-3-(3,4-dimethoxyphenyl)-N-(4-sulfamoylphenyl)prop-2-enamide

CAS 333307-31-6C₁₈H₁₇N₃O₅S

N-[(5-Methylfuran-2-yl)methyl]-3-(8-oxo-6-sulfanylidene-5H-[1,3]dioxolo[4,5-g]quinazolin-7-yl)propanamide

CAS 688055-25-6C₁₈H₁₇N₃O₅S

(Z)-8-Methoxy-2-(2-tosylhydrazono)-2H-chromene-3-carboxamide

CAS 865657-32-5C₁₈H₁₇N₃O₅S

N-(4-Cyanophenyl)-2-hydroxy-5-(morpholinosulfonyl)benzamide

CAS 946203-80-1C₁₈H₁₇N₃O₅S

N-(2-Methoxyphenyl)-5-(N-(pyridin-2-ylmethyl)sulfamoyl)furan-2-carboxamide

CAS 1170855-83-0C₁₈H₁₇N₃O₅S

2-(1,3-Dioxoisoindolin-2-yl)-N-(4-sulfamoylphenethyl)acetamide

CAS 349542-40-1C₁₈H₁₇N₃O₅S

1-((2R,4S,5R)-4-Hydroxy-5-hydroxymethyl-tetrahydro-furan-2-yl)-5-(4-phenyl-thiazol-2-yl)-1H-pyrimidine-2,4-dione

CAS 133040-37-6C₁₈H₁₇N₃O₅S

N-((2,3-Dihydrobenzo[b][1,4]dioxin-2-yl)methyl)-1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydrothieno[2,3-d]pyrimidine-6-carboxamide

CAS 946335-43-9C₁₈H₁₇N₃O₅S

Ethyl 2-(2-(4-(2,5-dioxopyrrolidin-1-yl)benzamido)thiazol-4-yl)acetate

CAS 330200-86-7C₁₈H₁₇N₃O₅S

Methyl 3-(3-((furan-2-ylmethyl)amino)-3-oxopropyl)-4-oxo-2-thioxo-1,2,3,4-tetrahydroquinazoline-7-carboxylate

CAS 946329-93-7C₁₈H₁₇N₃O₅S

Frequently asked questions

Still have a question?

The help centre explains buying, quotes and supplier badges step by step, or you can write to our team.

Help centre Contact us

What is the molar mass of C18H17N3O5S?

The molar mass of C18H17N3O5S is 387.41 g/mol, calculated from standard atomic weights for 18 carbon atoms, 17 hydrogen atoms, 3 nitrogen atoms, 5 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 387.0889 Da.

How many compounds have the formula C18H17N3O5S?

CompoundList lists 127 compounds with the molecular formula C18H17N3O5S, including Ethyl (2-{[(4-hydroxy-1-methyl-2-oxo-1,2-dihydro-3-quinolinyl)carbonyl]amino}-1,3-thiazol-4-yl)acetate, 1-Ethyl-4-hydroxy-2-oxo-N-(2-sulfamoylphenyl)-1,2-dihydroquinoline-3-carboxamide, 3-[(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)sulfamoyl]benzoic acid. 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 C18H17N3O5S?

C18H17N3O5S has a degree of unsaturation of 12. 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.