Molekula
Ursodeoxycholic acid
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Ursodeoxycholic acid is a secondary bile acid used primarily in pharmaceuticals to dissolve cholesterol gallstones and treat liver diseases like primary biliary cholangitis. It is also employed in research for its hepatoprotective and choleretic properties. This white to off-white crystalline powder has a CAS number of 128-13-2, molecular formula C24H40O4, and a molecular weight of 392.57 g/mol. It should be stored at ambient conditions, with a signal word of *Warning* indicating moderate hazard. Molekula supplies Ursodeoxycholic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White to Off-white powder |
| Melting Point | 200 - 205°C |
| Specific rotation | +58° to +62° |
| Heavy metals | ≤ 10ppm |
| Loss on Drying | ≤ 1.0% |
| Assay | 99.0 - 101.0% |
| Individual impurity | ≤ 0.10% (HPLC) |
| Total Impurities | ≤ 1.50% (HPLC) |
| Residual Solvents: Methanol | ≤ 3000ppm |
| Identification (IR) | Conforms to Reference |
| Mould & Yeast | ≤ 100cfu/g |
| Total Aerobic Bacteria | ≤ 1000cfu/g |
| Residual Solvents: Isopropanol | ≤ 3000ppm |
| Residual Solvents: Ethyl acetate | ≤ 5000ppm |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 203 °C |
Source: PubChem CID 31401 (Human Metabolome Database (HMDB))
Identification
| Property | Value |
|---|---|
| SKU | 17716304 |
| CAS Number | 128-13-2 |
| IUPAC Name | (4R)-4-[(3R,5S,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 |
| EC Number | 204-879-3 |
| Molecular Formula | C24H40O4 |
| Molecular Weight | 392.57 |
| Exact Mass | 392.2927 |
| 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 |
| InChIKey | RUDATBOHQWOJDD-UZVSRGJWSA-N |
| InChI | 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 |
| PubChem CID | 31401 |
| REACH Code | Y110 |
| HTS Code | 2918193100 |
| Tariff Code | 2918199890 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P333+313 IF skin irritation or a rash occurs: Get medical advice/attention
- P337+313 If eye irritation persists get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 3alpha,7beta-Dihydroxy-5beta-cholan-24-oic acid
- Acido ursodeoxicolico
- Actigall
- Deursil
- UDCA
- Urso 250
- Urso Forte
- Ursodesoxycholic acid
- ursodiol
- Ursonorm
Frequently asked questions
What is ursodeoxycholic acid commonly used for?
Ursodeoxycholic acid is primarily used as a pharmaceutical agent to dissolve gallstones, treat primary biliary cholangitis, and manage bile duct disorders.
What is the chemical formula and molecular weight of ursodeoxycholic acid?
The chemical formula is **C₂₄H₄₀O₄** with a molecular weight of **392.57 g/mol**.
How should ursodeoxycholic acid be stored?
Store at **ambient temperature** in a dry, well-ventilated area, away from direct sunlight and moisture.
What grades or purities of ursodeoxycholic acid does Molekula supply?
Molekula supplies **pharmaceutical-grade (USP/EP/BP)** ursodeoxycholic acid for regulated applications.
Can Molekula supply ursodeoxycholic acid in bulk quantities?
Yes, bulk quantities are available upon request—contact our sales team for pricing and lead times.
What documentation comes with an order of ursodeoxycholic acid?
Each order includes a **Certificate of Analysis (CoA)**, Safety Data Sheet (SDS), and batch-specific documentation for traceability.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.