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Molecular formula

C21H21BrN4O3S

12 compounds have this formula on CompoundList.

Molar mass
489.39g/mol
Monoisotopic mass
488.0518Da
Atoms
51
Elements
6
Rings plus double bonds
13

The formula C21H21BrN4O3S describes a molecule made of 21 carbon atoms, 21 hydrogen atoms, 1 bromine atom, 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 × 2151.54%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 214.33%
    1.008 × 21 = 21.168 g/mol
  • Br Bromine × 116.33%
    79.904 × 1 = 79.904 g/mol
  • N Nitrogen × 411.45%
    14.007 × 4 = 56.028 g/mol
  • O Oxygen × 39.81%
    15.999 × 3 = 47.997 g/mol
  • S Sulfur × 16.55%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C21H21BrN4O3S

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

Showing 1 to 12 of 12 compounds

2-[1-(4-Bromophenoxy)butyl]-8,9-dimethoxy-3H-[1,2,4]triazolo[1,5-c]quinazoline-5-thione chemical structure, C21H21BrN4O3S, CAS 902593-15-1
2-[1-(4-Bromophenoxy)butyl]-8,9-dimethoxy-3H-[1,2,4]triazolo[1,5-c]quinazoline-5-thione
CAS 902593-15-1C21H21BrN4O3S
2-((6-Bromo-3-(furan-2-ylmethyl)-4-oxo-3,4-dihydroquinazolin-2-yl)thio)-N-(2-cyano-3-methylbutan-2-yl)acetamide chemical structure, C21H21BrN4O3S, CAS 786726-43-0
2-((6-Bromo-3-(furan-2-ylmethyl)-4-oxo-3,4-dihydroquinazolin-2-yl)thio)-N-(2-cyano-3-methylbutan-2-yl)acetamide
CAS 786726-43-0C21H21BrN4O3S
6-(3-Bromo-4,5-diethoxyphenyl)-6,7-dihydro-3-(methylthio)-1,2,4-triazino[5,6-d][3,1]benzoxazepine chemical structure, C21H21BrN4O3S, CAS 442642-41-3
6-(3-Bromo-4,5-diethoxyphenyl)-6,7-dihydro-3-(methylthio)-1,2,4-triazino[5,6-d][3,1]benzoxazepine
CAS 442642-41-3C21H21BrN4O3S
6-(3-Bromo-4-ethoxy-5-methoxyphenyl)-3-(ethylsulfanyl)-6,7-dihydro[1,2,4]triazino[5,6-d][3,1]benzoxazepine chemical structure, C21H21BrN4O3S, CAS 353774-05-7
6-(3-Bromo-4-ethoxy-5-methoxyphenyl)-3-(ethylsulfanyl)-6,7-dihydro[1,2,4]triazino[5,6-d][3,1]benzoxazepine
CAS 353774-05-7C21H21BrN4O3S
10-Bromo-6-(3-ethoxy-2-methoxyphenyl)-3-(ethylsulfanyl)-6,7-dihydro[1,2,4]triazino[5,6-d][3,1]benzoxazepine chemical structure, C21H21BrN4O3S, CAS 354777-36-9
10-Bromo-6-(3-ethoxy-2-methoxyphenyl)-3-(ethylsulfanyl)-6,7-dihydro[1,2,4]triazino[5,6-d][3,1]benzoxazepine
CAS 354777-36-9C21H21BrN4O3S
Ethyl 2-(N-(4-bromophenyl)-2-((3-(m-tolyl)-1H-1,2,4-triazol-5-yl)thio)acetamido)acetate chemical structure, C21H21BrN4O3S, CAS 332158-81-3
Ethyl 2-(N-(4-bromophenyl)-2-((3-(m-tolyl)-1H-1,2,4-triazol-5-yl)thio)acetamido)acetate
CAS 332158-81-3C21H21BrN4O3S
2-({1-[(Benzylcarbamoyl)methyl]-5-(hydroxymethyl)-1H-imidazol-2-yl}sulfanyl)-N-(4-bromophenyl)acetamide chemical structure, C21H21BrN4O3S, CAS 921847-01-0
2-({1-[(Benzylcarbamoyl)methyl]-5-(hydroxymethyl)-1H-imidazol-2-yl}sulfanyl)-N-(4-bromophenyl)acetamide
CAS 921847-01-0C21H21BrN4O3S
4-Bromo-2-ethoxy-6-(3-propylsulfanyl-6,7-dihydro-[1,2,4]triazino[5,6-d][3,1]benzoxazepin-6-yl)phenol chemical structure, C21H21BrN4O3S, CAS 331749-74-7
4-Bromo-2-ethoxy-6-(3-propylsulfanyl-6,7-dihydro-[1,2,4]triazino[5,6-d][3,1]benzoxazepin-6-yl)phenol
CAS 331749-74-7C21H21BrN4O3S
2-[5-[2-(4-Bromophenyl)-2-oxoethyl]sulfanyl-4-ethyl-1,2,4-triazol-3-yl]-N-(4-methoxyphenyl)acetamide chemical structure, C21H21BrN4O3S, CAS 767325-01-9
2-[5-[2-(4-Bromophenyl)-2-oxoethyl]sulfanyl-4-ethyl-1,2,4-triazol-3-yl]-N-(4-methoxyphenyl)acetamide
CAS 767325-01-9C21H21BrN4O3S
N-[2-[5-[2-(4-Bromophenyl)-2-oxoethyl]sulfanyl-4-methyl-1,2,4-triazol-3-yl]ethyl]-4-methoxybenzamide chemical structure, C21H21BrN4O3S, CAS 714281-79-5
N-[2-[5-[2-(4-Bromophenyl)-2-oxoethyl]sulfanyl-4-methyl-1,2,4-triazol-3-yl]ethyl]-4-methoxybenzamide
CAS 714281-79-5C21H21BrN4O3S
2-[5-[2-(4-Bromophenyl)-2-oxoethyl]sulfanyl-4-ethyl-1,2,4-triazol-3-yl]-N-(3-methoxyphenyl)acetamide chemical structure, C21H21BrN4O3S, CAS 708282-49-9
2-[5-[2-(4-Bromophenyl)-2-oxoethyl]sulfanyl-4-ethyl-1,2,4-triazol-3-yl]-N-(3-methoxyphenyl)acetamide
CAS 708282-49-9C21H21BrN4O3S
N-{2-[5-{[2-(4-Bromophenyl)-2-oxoethyl]sulfanyl}-4-(3-methoxyphenyl)-4H-1,2,4-triazol-3-yl]ethyl}acetamide chemical structure, C21H21BrN4O3S, CAS 6315-37-3
N-{2-[5-{[2-(4-Bromophenyl)-2-oxoethyl]sulfanyl}-4-(3-methoxyphenyl)-4H-1,2,4-triazol-3-yl]ethyl}acetamide
CAS 6315-37-3C21H21BrN4O3S

Frequently asked questions

What is the molar mass of C21H21BrN4O3S?

The molar mass of C21H21BrN4O3S is 489.39 g/mol, calculated from standard atomic weights for 21 carbon atoms, 21 hydrogen atoms, 1 bromine atom, 4 nitrogen atoms, 3 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 488.0518 Da.

How many compounds have the formula C21H21BrN4O3S?

CompoundList lists 12 compounds with the molecular formula C21H21BrN4O3S, including 2-[1-(4-Bromophenoxy)butyl]-8,9-dimethoxy-3H-[1,2,4]triazolo[1,5-c]quinazoline-5-thione, 2-((6-Bromo-3-(furan-2-ylmethyl)-4-oxo-3,4-dihydroquinazolin-2-yl)thio)-N-(2-cyano-3-methylbutan-2-yl)acetamide, 6-(3-Bromo-4,5-diethoxyphenyl)-6,7-dihydro-3-(methylthio)-1,2,4-triazino[5,6-d][3,1]benzoxazepine. 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 C21H21BrN4O3S?

C21H21BrN4O3S has a degree of unsaturation of 13. 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.