Molar Mass of C4H7N3O (Creatinine)

Molar Mass Calculator

What is the molar mass of C₄H₇N₃O?

Answer

M(C₄H₇N₃O) =

113.120 g/mol

Atomic weights: IUPAC standard values (CIAAW, 2024).

Contribution of each element
Element	Atoms, n	Atomic weight, A	n × A, g/mol Mass fraction, w	Mass fraction, w
Ccarbon	4	12.011	48.044 w ≈ 42.47%	≈ 42.47%
Hhydrogen	7	1.0080	7.0560 w ≈ 6.24%	≈ 6.24%
Nnitrogen	3	14.007	42.021 w ≈ 37.15%	≈ 37.15%
Ooxygen	1	15.999	15.999 w ≈ 14.14%	≈ 14.14%
Σ = 113.120 g/mol w = 100%				100%

Atomic weights: CIAAW, Abridged Standard Atomic Weights (2024)

Mass fractions of the elements

C 42.47%N 37.15%

O 14.14%H 6.24%

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Molar masses of substances nearby

Formula	M, g/mol
CaCl₂ (calcium chloride)	110.98
Cd (cadmium)	112.41
C₆H₅Cl (chlorobenzene)	112.56
C₄H₇N₃O (creatinine)	113.120
C₂HF₃O₂ (trifluoroacetic acid)	114.022
C₈H₁₈ (octane)	114.232
In (indium)	114.82

FAQ

What is the molar mass of C4H7N3O?

M(C₄H₇N₃O) = 113.120 g/mol

How to calculate the molar mass of C₄H₇N₃O?

Add up the atomic weights of all the atoms in the formula: 4 × 12.011 + 7 × 1.0080 + 3 × 14.007 + 15.999 = 113.120 g/mol.

How many grams are in 2 moles of C₄H₇N₃O?

m = n × M = 2 mol × 113.120 g/mol = 226.240 g.

See Also