Taurocholic Acid


Cholaic Acid

Technical Data

CAS Number: 81-24-3
Molecular Formula: C26H45NO7S
Molecular Weight: 515.70
Beilstein Registry Number: 2956951
EC Number: 201-336-2

FabriChem Specifications

DescriptionWhite or white-creamed powder
Clarity of Solution
(C = 3% w/v in water)
Not more opalescent than ref. Sol II (Eur. Ph. III)
Color of Solution
(C = 3% w/v in water)
Not more than sol. B9
(Eur. Ph. III)
Water Content≤ 7.0 %
Specific Optical Rotation
(C = 3% w/v in water)
+20.0° to +25.8°
Heavy Metals≤ 20 ppm
Residue on Ignition11.0 to 14.0 %
Related Substances (by TLC):
Sodium Cholate≤ 0.5 %
Sodium Taurodeoxycholate≤ 0.5 %
Taurine≤ 0.5 %
Other Unidentified Substances≤ 0.5 % in total
Chromatographic Purity (by TLC)< 98 %

Molecular Structure



Taurocholic Acid is a choleretic steroid useful for the quantification of conjugated bile acids.