Alloursodeoxycholic acid

About Alloursodeoxycholic acid

Alloursodeoxycholic acid is an impurity of Chenodeoxycholic acid carrying the CAS registry number 105227-28-9. Formula C24H40O4, molecular weight 392.6 g/mol. Common synonyms include Allo-UDCA and EX-A2840.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Good laboratory practice and suitable PPE are recommended during handling.

This Chenodeoxycholic acid impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Chenodeoxycholic acid

View every impurity, metabolite and intermediate we list for Chenodeoxycholic acid.

Chenodeoxycholic acid impurities

Specifications & identifiers

Chemical identifiers
Product name	Alloursodeoxycholic acid
Catalogue No.	VQ-030123
CAS Number	105227-28-9
IUPAC name	(4R)-4-[(3R,5R,7S,8R,9S,10S,13R,14S,17R)-3,7-dihydroxy-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]pentanoic acid
Molecular formula	C₂₄H₄₀O₄
Molecular weight	392.6 g/mol
Exact mass	392.2927
Grade	Reference Standard
HSN code	38229090
InChIKey	RUDATBOHQWOJDD-SHOXBNBYSA-N
SMILES	C[C@H](CCC(=O)O)[C@H]1CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2[C@H](C[C@@H]4[C@@]3(CC[C@H](C4)O)C)O)C
PubChem CID	5283828

Physical properties
Physical form	Solid
LogP (XLogP3)	4.9
H-bond donors / acceptors	3 / 4
TPSA	77.8 Å²

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Alloursodeoxycholic acid?

The CAS Registry Number of Alloursodeoxycholic acid is 105227-28-9. It is also known as 3alpha,7beta-Dihydroxy-5alpha-cholan-24-oic Acid, Allo-UDCA, (3alpha,5alpha,7beta)-3,7-Dihydroxycholan-24-oic acid.

What is the molecular formula and molecular weight of Alloursodeoxycholic acid?

Alloursodeoxycholic acid has the molecular formula C24H40O4 and a molecular weight of 392.6 g/mol.

What is Alloursodeoxycholic acid used for?

Alloursodeoxycholic acid is supplied as a characterised reference material related to Chenodeoxycholic acid. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Alloursodeoxycholic acid can I order?

We supply Alloursodeoxycholic acid in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Alloursodeoxycholic acid?

Yes. Every lot of Alloursodeoxycholic acid is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Alloursodeoxycholic acid be shipped internationally?

Yes. We export Alloursodeoxycholic acid worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.