Skip to Content
Merck
All Photos(1)

Key Documents

View All Documentation

1707806

USP

Ursodiol

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

Ursodeoxycholic acid, 3α,7β-Dihydroxy-5β-cholan-24-oic acid, 5β-Cholan-24-oic acid-3α,7β-diol, 7β-Hydroxylithocholic acid, UDCS

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Empirical Formula (Hill Notation):
C24H40O4
CAS Number:
128-13-2
Molecular Weight:
392.57
Beilstein:
3219888
MDL number:
MFCD00003680
UNSPSC Code:
41116107
PubChem Substance ID:
329751468
NACRES:
NA.24

grade

pharmaceutical primary standard

API family

ursodiol

manufacturer/tradename

USP

mp

203-204 °C (lit.)

application(s)

pharmaceutical (small molecule)

format

neat

SMILES string

C[C@H](CCC(O)=O)[C@H]1CC[C@H]2[C@@H]3[C@@H](O)C[C@@H]4C[C@H](O)CC[C@]4(C)[C@H]3CC[C@]12C

InChI

1S/C24H40O4/c1-14(4-7-21(27)28)17-5-6-18-22-19(9-11-24(17,18)3)23(2)10-8-16(25)12-15(23)13-20(22)26/h14-20,22,25-26H,4-13H2,1-3H3,(H,27,28)/t14-,15+,16-,17-,18+,19+,20+,22+,23+,24-/m1/s1

InChI key

RUDATBOHQWOJDD-UZVSRGJWSA-N

Gene Information

human ... NR1H4(9971)

Looking for similar products? Visit Product Comparison Guide

General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia.

Application

Ursodiol USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia. Also, for use with USP monographs such as:
  • Ursodiol Capsules
  • Ursodiol Compounded Oral Suspension
  • Ursodiol Tablets

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Other Notes

Sales restrictions may apply.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Yannick Bacq et al.
Gastroenterology, 143(6), 1492-1501 (2012-08-16)
We performed a meta-analysis to evaluate the effects of ursodeoxycholic acid (UDCA) on pruritus, liver test results, and outcomes of babies born to women with intrahepatic cholestasis of pregnancy (ICP). We performed a systematic review of 9 published, randomized controlled
L Serfaty et al.
Gastroenterologie clinique et biologique, 34(10), 516-522 (2010-07-09)
Colorectal cancer is respectively the third and second most common cancer among men and women in France. Interest in chemoprevention for colorectal cancer has increased over the last two decades. Beside non-steroidal anti-inflammatory drugs, ursodeoxycholic acid (UDCA) may have chemopreventive
Yan Gong et al.
The American journal of gastroenterology, 102(8), 1799-1807 (2007-04-27)
Ursodeoxycholic acid (UDCA) is used for primary biliary cirrhosis (PBC), but the beneficial effects remain controversial. We performed an updated systematic review to evaluate the benefits and harms of UDCA in patients with PBC. We included randomized clinical trials evaluating
Marcelo G Roma et al.
Clinical science (London, England : 1979), 121(12), 523-544 (2011-08-23)
UDCA (ursodeoxycholic acid) is the therapeutic agent most widely used for the treatment of cholestatic hepatopathies. Its use has expanded to other kinds of hepatic diseases, and even to extrahepatic ones. Such versatility is the result of its multiple mechanisms
Raoul Poupon
Clinics and research in hepatology and gastroenterology, 36 Suppl 1, S3-12 (2012-11-13)
Chronic cholestasis and liver inflammation are the two main pathophysiological components of the two major classes of disease - primary biliary cirrhosis (PBC) and primary sclerosing cholangitis (PSC) - leading to bile duct destruction and ultimately to cirrhosis and liver
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service