Orotic acid

乳清酸

Also known as: Vitamin B13, 1,2,3,6-Tetrahydro-2,6-dioxo-4-pyrimidinecarboxylic acid, 2,6-Dihydroxy-4-pyrimidinecarboxylic acid, 2,6-Dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylic acid, 6-Carboxyuracil, Uracil-6-carboxylic acid, Uracil-4-carboxylic acid, 6-Uracilcarboxylic acid, 2,4-Dihydroxypyrimidine-6-carboxylic acid, Orodin, Orotonin, Oroturic, Orotyl, Whey factor, Animal galactose factor

CAS No.
65-86-1
Jingsj CID
J-45640-9
Molecular Formula
C5H4N2O4
Chinese Name
乳清酸
Molecular Weight
156.096 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point>300°C
Boiling Point656.9±65.0 °C at 760 mmHg
Density1.8±0.1 g/cm3
Flash Point351.1±34.3 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Orotic acid?

65-86-1

What are the molecular formula and molecular weight of Orotic acid?

C5H4N2O4, molecular weight 156.096 g/mol

Is Orotic acid hazardous?

Warning

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026