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Technical Data Sheet Ursodeoxycholic acid

Compound Information
Product Name: Ursodeoxycholic acid
CAS No.: 128-13-2
Molecular Formula: C24H40O4
Molecular Weight: 392.57
Storage: Store at 0 -8 °C
Revision Date: 2026-04-15
Analytical Information
Tests Specifications
Appearance White to off-white crystalline powder
Melting Point 203-204 °C (lit.)
Heavy Metals ≤10 ppm
Specific Rotation [a]D20= 59 -62 º
LOD ≤ 0.5%
Related Substances Lithocholic acid : ≤ 0.1% CDCA : ≤ 0.8% Other individual max. impurity : ≤ 0.08% Total impurity : ≤ 1%
Residue On Ignition ≤ 0.1%
Assay by titration 99.2 - 101.0%
Additional Information Taste : Bitter, without stink. Light transmitance : ≥85% For Laboratory Use Only
MS Pass test
¹H NMR Pass test
IR Pass test
Raman Pass test
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