Molecular formula

C₁₆H₂₁N₅O₄S

18 compounds have this formula on CompoundList.

Molar mass: 379.44g/mol
Monoisotopic mass: 379.1314Da
Atoms: 47
Elements: 5
Rings plus double bonds: 9

The formula C16H21N5O4S describes a molecule made of 16 carbon atoms, 21 hydrogen atoms, 5 nitrogen atoms, 4 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 × 1650.65%
12.011 × 16 = 192.176 g/mol
H Hydrogen × 215.58%
1.008 × 21 = 21.168 g/mol
N Nitrogen × 518.46%
14.007 × 5 = 70.035 g/mol
O Oxygen × 416.87%
15.999 × 4 = 63.996 g/mol
S Sulfur × 18.45%
32.06 × 1 = 32.060 g/mol

Look up another formula

Compounds with the formula C16H21N5O4S

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

Showing 1 to 18 of 18 compounds

6-Amino-1,3-dimethyl-5-(4-phenylpiperazin-1-yl)sulfonylpyrimidine-2,4-dione

CAS 869076-77-7C₁₆H₂₁N₅O₄S

1-[3-(3,5-Dimethylpyrazol-1-yl)-4-nitrophenyl]-4-methylsulfonylpiperazine

CAS 380585-86-4C₁₆H₂₁N₅O₄S

Methyl 3-ethyl-5-((4-(pyridin-2-yl)piperazin-1-yl)sulfonyl)-1H-pyrazole-4-carboxylate

CAS 1322746-70-2C₁₆H₂₁N₅O₄S

N-((1-Cyclohexyl-1H-tetrazol-5-yl)methyl)-2,3-dihydrobenzo[b][1,4]dioxine-6-sulfonamide

CAS 921084-35-7C₁₆H₂₁N₅O₄S

1,2,3-Trimethyl-5-((1-methyl-1H-indol-3-yl)azo)-1H-pyrazolium methyl sulphate

CAS 75284-34-3C₁₆H₂₁N₅O₄S

1,1-Dimethylethyl N-((1S)-2-methyl-1-((6-nitro-1H-benzotriazol-1-yl)thioxomethyl)propyl)carbamate

CAS 184951-88-0C₁₆H₂₁N₅O₄S

N-((Tetrahydrofuran-2-yl)methyl)-2-((2,6,8-trimethyl-5,7-dioxo-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl)thio)acetamide

CAS 852168-42-4C₁₆H₂₁N₅O₄S

N-(2,4-Bis(dimethylamino)pyrimidin-5-yl)-2,3-dihydrobenzo[b][1,4]dioxine-6-sulfonamide

CAS 1797293-17-4C₁₆H₂₁N₅O₄S

3-((1-(1-(Methylsulfonyl)piperidine-4-carbonyl)pyrrolidin-3-yl)oxy)pyrazine-2-carbonitrile

CAS 2034281-68-8C₁₆H₂₁N₅O₄S

Ethyl N-({[4-amino-5-(4-ethoxyphenyl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetyl)glycinate

CAS 585555-11-9C₁₆H₂₁N₅O₄S

Ethyl N-({[4-amino-5-(3-ethoxyphenyl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetyl)glycinate

CAS 840499-25-4C₁₆H₂₁N₅O₄S

N-(3-((4-(Pyrimidin-2-yl)piperazin-1-yl)sulfonyl)propyl)furan-2-carboxamide

CAS 1021221-76-0C₁₆H₂₁N₅O₄S

4-(8-((3,5-Dimethylisoxazol-4-yl)sulfonyl)-5,6,7,8-tetrahydropyrido[2,3-d]pyrimidin-2-yl)morpholine

CAS 2191266-79-0C₁₆H₂₁N₅O₄S

3-{4-[4-(Methylsulfonyl)piperazin-1-yl]-4-oxobutyl}-1,2,3-benzotriazin-4(3H)-one

CAS 1232807-99-6C₁₆H₂₁N₅O₄S

1,3-Dimethyl-7-(2-oxo-2-(1-oxa-4-thia-8-azaspiro[4.5]decan-8-yl)ethyl)-1H-purine-2,6(3H,7H)-dione

CAS 1351641-01-4C₁₆H₂₁N₅O₄S

2-Acetamido-N-(2-(2,4-dioxo-1,2-dihydropyrido[2,3-d]pyrimidin-3(4H)-yl)ethyl)-4-(methylthio)butanamide

CAS 2034202-08-7C₁₆H₂₁N₅O₄S

4-[(1-Ethyl-2-methyl-1H-imidazol-4-yl)sulfonyl]-1-(2-methoxypyridin-4-yl)piperazin-2-one

CAS 2640815-61-6C₁₆H₂₁N₅O₄S

(S)-5-Guanidino-2-(3-methylquinoline-8-sulfonamido)pentanoic acid

CAS 252985-90-3C₁₆H₂₁N₅O₄S

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What is the molar mass of C16H21N5O4S?

The molar mass of C16H21N5O4S is 379.44 g/mol, calculated from standard atomic weights for 16 carbon atoms, 21 hydrogen atoms, 5 nitrogen atoms, 4 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 379.1314 Da.

How many compounds have the formula C16H21N5O4S?

CompoundList lists 18 compounds with the molecular formula C16H21N5O4S, including 6-Amino-1,3-dimethyl-5-(4-phenylpiperazin-1-yl)sulfonylpyrimidine-2,4-dione, 1-[3-(3,5-Dimethylpyrazol-1-yl)-4-nitrophenyl]-4-methylsulfonylpiperazine, Methyl 3-ethyl-5-((4-(pyridin-2-yl)piperazin-1-yl)sulfonyl)-1H-pyrazole-4-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 C16H21N5O4S?

C16H21N5O4S has a degree of unsaturation of 9. 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.