Ursodeoxycholic acid CAS 128-13-2

Description

Ursodeoxycholic
Ursodeoxycholic Quick Details
Chemical Name:Ursodeoxycholic acid
CAS No.:128-13-2
Molecular Fomula:C24H40O4
Chemical Structure:

Molecular weight:392.57
Appearance:white powder
Assay:99%
Ursodeoxycholic acid Typical Properties

Item
Specifications

Appearance
White or almost white powder

Solubility
Practically insoluble in water;freely soluble in ethanol(96 per cent);slightly soluble in acetone;practically insoluble in methylene chloride.

IR Identification
IR absorption spectrum should be in accordance with the reference standard.

TLC Identification
The principal spot in the chromatogram obtained with the rest solution(b) is similar in position,colour and size to the principal spot in the chromatogram obtain with reference solution(a).

Chemical Identification
The suspension obtained is greenish-blue.

Specific optical
+58.0º~+62.0º

Melting point
About 202℃

Impurity C
≤0.1%

Impurity A
≤1.0%

Unspecified Impurities
≤0.1%

Total Impurities
 ≤1.5%

Methanol
≤3000ppm

Isopropanol
≤5000ppm

Ethyl acetate
≤5000ppm

Loss on drying
≤1.0%

Sulfated ash
≤0.1%

Heavy metals
≤20ppm

Total Aerobic Microbial Count
≤10³cfu/g

Total Yeasts&Moulds Count
≤10²cfu/g

Escherichia coli
Not detected

Assay(on dry substance)
 99.0%~101.0%

Particle Size
For reference

Ursodeoxycholic acid Usage
Suitable for the prevention and treatment of cholesterol gallstones, anionic detergent
Ursodeoxycholic acid Packaging and Shipping
Packing:25KG/drum
Delivery:General goods
Ursodeoxycholic acid Storage
Storage Conditions:Storeinacool,dry,well-ventilated place.