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Molecular formula

C11H9N5O3S

17 compounds have this formula on CompoundList.

Molar mass
291.28g/mol
Monoisotopic mass
291.0426Da
Atoms
29
Elements
5
Rings plus double bonds
10

The formula C11H9N5O3S describes a molecule made of 11 carbon atoms, 9 hydrogen atoms, 5 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 × 1145.36%
    12.011 × 11 = 132.121 g/mol
  • H Hydrogen × 93.11%
    1.008 × 9 = 9.072 g/mol
  • N Nitrogen × 524.04%
    14.007 × 5 = 70.035 g/mol
  • O Oxygen × 316.48%
    15.999 × 3 = 47.997 g/mol
  • S Sulfur × 111.01%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C11H9N5O3S

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

Showing 1 to 17 of 17 compounds

(S)-(+)-NBD-Py-NCS (=(S)-(+)-4-(3-Isothiocyanatopyrrolidin-1-yl)-7-nitro-2,1,3-benzoxadiazole) (HPLC Labeling Reagent for e.e. Determination) chemical structure, C11H9N5O3S, CAS 163927-30-8
(S)-(+)-NBD-Py-NCS (=(S)-(+)-4-(3-Isothiocyanatopyrrolidin-1-yl)-7-nitro-2,1,3-benzoxadiazole) (HPLC Labeling Reagent for e.e. Determination)
CAS 163927-30-8C11H9N5O3S
(R)-(-)-NBD-Py-NCS (=(R)-(-)-4-(3-Isothiocyanatopyrrolidin-1-yl)-7-nitro-2,1,3-benzoxadiazole) (HPLC Labeling Reagent for e.e. Determination) chemical structure, C11H9N5O3S, CAS 163927-29-5
(R)-(-)-NBD-Py-NCS (=(R)-(-)-4-(3-Isothiocyanatopyrrolidin-1-yl)-7-nitro-2,1,3-benzoxadiazole) (HPLC Labeling Reagent for e.e. Determination)
CAS 163927-29-5C11H9N5O3S
6-Methyl-4-[(E)-(3-nitrophenyl)methylideneamino]-3-sulfanylidene-2H-1,2,4-triazin-5-one chemical structure, C11H9N5O3S, CAS 1002103-80-1
6-Methyl-4-[(E)-(3-nitrophenyl)methylideneamino]-3-sulfanylidene-2H-1,2,4-triazin-5-one
CAS 1002103-80-1C11H9N5O3S
N-(5,6-Dihydrothiazolo[2,3-c][1,2,4]triazol-3-yl)-3-nitrobenzamide chemical structure, C11H9N5O3S, CAS 920489-30-1
N-(5,6-Dihydrothiazolo[2,3-c][1,2,4]triazol-3-yl)-3-nitrobenzamide
CAS 920489-30-1C11H9N5O3S
N-(5-(2,4-Dimethylthiazol-5-yl)-1,3,4-oxadiazol-2-yl)isoxazole-5-carboxamide chemical structure, C11H9N5O3S, CAS 1286725-63-0
N-(5-(2,4-Dimethylthiazol-5-yl)-1,3,4-oxadiazol-2-yl)isoxazole-5-carboxamide
CAS 1286725-63-0C11H9N5O3S
3-(1,2-Dihydro-5H-tetrazol-5-ylidene)-8-(methanesulfonyl)quinolin-4(3H)-one chemical structure, C11H9N5O3S, CAS 61338-53-2
3-(1,2-Dihydro-5H-tetrazol-5-ylidene)-8-(methanesulfonyl)quinolin-4(3H)-one
CAS 61338-53-2C11H9N5O3S
2-(2-Amino-5-nitro-6-oxo-1,6-dihydropyrimidin-4-yl)-3-(3-thienyl)propiononitrile chemical structure, C11H9N5O3S, CAS 115787-67-2
2-(2-Amino-5-nitro-6-oxo-1,6-dihydropyrimidin-4-yl)-3-(3-thienyl)propiononitrile
CAS 115787-67-2C11H9N5O3S
2-[5-(1-Ethyl-4-nitropyrazol-3-yl)-1,2,4-oxadiazol-3-yl]thiophene chemical structure, C11H9N5O3S, CAS 1005705-78-1
2-[5-(1-Ethyl-4-nitropyrazol-3-yl)-1,2,4-oxadiazol-3-yl]thiophene
CAS 1005705-78-1C11H9N5O3S
5-Methyl-N-(5-(2-methylthiazol-4-yl)-1,3,4-oxadiazol-2-yl)isoxazole-3-carboxamide chemical structure, C11H9N5O3S, CAS 1251580-46-7
5-Methyl-N-(5-(2-methylthiazol-4-yl)-1,3,4-oxadiazol-2-yl)isoxazole-3-carboxamide
CAS 1251580-46-7C11H9N5O3S
N-(2-Oxotetrahydrothiophen-3-yl)-3-(pyrazin-2-yl)-1,2,4-oxadiazole-5-carboxamide chemical structure, C11H9N5O3S, CAS 1219906-32-7
N-(2-Oxotetrahydrothiophen-3-yl)-3-(pyrazin-2-yl)-1,2,4-oxadiazole-5-carboxamide
CAS 1219906-32-7C11H9N5O3S
N-(5-Cyanothiazol-2-yl)-3-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)propanamide chemical structure, C11H9N5O3S, CAS 1257552-50-3
N-(5-Cyanothiazol-2-yl)-3-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)propanamide
CAS 1257552-50-3C11H9N5O3S
6-Cyano-N-(5-methoxypyrimidin-2-yl)pyridine-3-sulfonamide chemical structure, C11H9N5O3S, CAS 1808425-81-1
6-Cyano-N-(5-methoxypyrimidin-2-yl)pyridine-3-sulfonamide
CAS 1808425-81-1C11H9N5O3S
N-(6-Amino-2-sulfanylidene-1,2-dihydropyrimidin-4-yl)-3-nitrobenzamide chemical structure, C11H9N5O3S, CAS 66646-58-0
N-(6-Amino-2-sulfanylidene-1,2-dihydropyrimidin-4-yl)-3-nitrobenzamide
CAS 66646-58-0C11H9N5O3S
(5Z)-5-{[2-(4-Nitrophenyl)hydrazinyl]methylidene}-2-sulfanylidene-2,5-dihydropyrimidin-4(3H)-one chemical structure, C11H9N5O3S, CAS 91094-04-1
(5Z)-5-{[2-(4-Nitrophenyl)hydrazinyl]methylidene}-2-sulfanylidene-2,5-dihydropyrimidin-4(3H)-one
CAS 91094-04-1C11H9N5O3S
(4,6-Diamino-2-sulfanylidenepyrimidin-1(2H)-yl)(4-nitrophenyl)methanone chemical structure, C11H9N5O3S, CAS 66571-44-6
(4,6-Diamino-2-sulfanylidenepyrimidin-1(2H)-yl)(4-nitrophenyl)methanone
CAS 66571-44-6C11H9N5O3S
(4,6-Diamino-2-sulfanylidenepyrimidin-1(2H)-yl)(3-nitrophenyl)methanone chemical structure, C11H9N5O3S, CAS 66571-43-5
(4,6-Diamino-2-sulfanylidenepyrimidin-1(2H)-yl)(3-nitrophenyl)methanone
CAS 66571-43-5C11H9N5O3S
5-[(Z)-[(4-Nitrophenyl)hydrazinylidene]methyl]-2-sulfanylidene-1H-pyrimidin-4-one chemical structure, C11H9N5O3S
5-[(Z)-[(4-Nitrophenyl)hydrazinylidene]methyl]-2-sulfanylidene-1H-pyrimidin-4-one
C11H9N5O3S

Frequently asked questions

What is the molar mass of C11H9N5O3S?

The molar mass of C11H9N5O3S is 291.28 g/mol, calculated from standard atomic weights for 11 carbon atoms, 9 hydrogen atoms, 5 nitrogen atoms, 3 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 291.0426 Da.

How many compounds have the formula C11H9N5O3S?

CompoundList lists 17 compounds with the molecular formula C11H9N5O3S, including (S)-(+)-NBD-Py-NCS (=(S)-(+)-4-(3-Isothiocyanatopyrrolidin-1-yl)-7-nitro-2,1,3-benzoxadiazole) (HPLC Labeling Reagent for e.e. Determination), (R)-(-)-NBD-Py-NCS (=(R)-(-)-4-(3-Isothiocyanatopyrrolidin-1-yl)-7-nitro-2,1,3-benzoxadiazole) (HPLC Labeling Reagent for e.e. Determination), 6-Methyl-4-[(E)-(3-nitrophenyl)methylideneamino]-3-sulfanylidene-2H-1,2,4-triazin-5-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 C11H9N5O3S?

C11H9N5O3S 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.