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Molecular formula

C21H32O15

5 compounds have this formula on CompoundList.

Molar mass
524.47g/mol
Monoisotopic mass
524.1741Da
Atoms
68
Elements
3
Rings plus double bonds
6

The formula C21H32O15 describes a molecule made of 21 carbon atoms, 32 hydrogen atoms and 15 oxygen 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 × 2148.09%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 326.15%
    1.008 × 32 = 32.256 g/mol
  • O Oxygen × 1545.76%
    15.999 × 15 = 239.985 g/mol
Look up another formula

Compounds with the formula C21H32O15

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

Showing 1 to 5 of 5 compounds

Rehmannioside A chemical structure, C21H32O15, CAS 81720-05-0
Rehmannioside A
CAS 81720-05-0C21H32O15
Melittoside chemical structure, C21H32O15, CAS 19467-03-9
Melittoside
CAS 19467-03-9C21H32O15
Rehmannioside B chemical structure, C21H32O15, CAS 81720-06-1
Rehmannioside B
CAS 81720-06-1C21H32O15
Methyl 3-O-(2,3,4,6-tetra-O-acetyl-alpha-D-mannopyranosyl)-alpha-D-mannopyranoside chemical structure, C21H32O15, CAS 71978-78-4
Methyl 3-O-(2,3,4,6-tetra-O-acetyl-alpha-D-mannopyranosyl)-alpha-D-mannopyranoside
CAS 71978-78-4C21H32O15
2-Propenoic acid, 3-(3(or 4)-((O-(6-deoxy-alpha-L-mannopyranosyl)-beta-D-glucopyranosyl)oxy)-4(or 3)-hydroxyphenyl)- chemical structure, C21H32O15, CAS 77349-57-6
2-Propenoic acid, 3-(3(or 4)-((O-(6-deoxy-alpha-L-mannopyranosyl)-beta-D-glucopyranosyl)oxy)-4(or 3)-hydroxyphenyl)-
CAS 77349-57-6C21H32O15

Frequently asked questions

What is the molar mass of C21H32O15?

The molar mass of C21H32O15 is 524.47 g/mol, calculated from standard atomic weights for 21 carbon atoms, 32 hydrogen atoms and 15 oxygen atoms. The monoisotopic mass is 524.1741 Da.

How many compounds have the formula C21H32O15?

CompoundList lists 5 compounds with the molecular formula C21H32O15, including Rehmannioside A, Melittoside, Rehmannioside B. 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 C21H32O15?

C21H32O15 has a degree of unsaturation of 6. 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.