Molar Mass of C5H6N2O2 (Thymine)

Molar Mass Calculator

What is the molar mass of C₅H₆N₂O₂?

Answer

M(C₅H₆N₂O₂) =

126.115 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	5	12.011	60.055 w ≈ 47.62%	≈ 47.62%
Hhydrogen	6	1.0080	6.0480 w ≈ 4.80%	≈ 4.80%
Nnitrogen	2	14.007	28.014 w ≈ 22.21%	≈ 22.21%
Ooxygen	2	15.999	31.998 w ≈ 25.37%	≈ 25.37%
Σ = 126.115 g/mol w = 100%				100%

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

Mass fractions of the elements

C 47.62%

O 25.37%N 22.21%H 4.80%

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Molar masses of substances nearby

Formula	M, g/mol
MnCl₂ (manganese(II) chloride)	125.84
Na₂SO₃ (sodium sulfite)	126.04
C₂H₆O₆	126.064
C₅H₆N₂O₂ (thymine)	126.115
FeCl₂ (ferrous chloride)	126.75
AgF (silver fluoride)	126.87
I (iodine)	126.90

FAQ

What is the molar mass of C5H6N2O2?

M(C₅H₆N₂O₂) = 126.115 g/mol

How to calculate the molar mass of C₅H₆N₂O₂?

Add up the atomic weights of all the atoms in the formula: 5 × 12.011 + 6 × 1.0080 + 2 × 14.007 + 2 × 15.999 = 126.115 g/mol.

How many grams are in 2 moles of C₅H₆N₂O₂?

m = n × M = 2 mol × 126.115 g/mol = 252.230 g.

See Also