Suzhou Pharmaceutical Technology Co., Ltd. (China) supplies Ursodeoxycholic Acid API CAS 128-13-2 for pharmaceutical B2B procurement — COA, MSDS, and technical documentation available on request.
> Ursodeoxycholic Acid API — Overview
Ursodeoxycholic Acid (CAS: 128-13-2, also known as UDCA, ursodiol, ursodesoxycholic acid, ácido ursodesoxicólico, Actigall active ingredient, and Urso active ingredient) is a bile acid API used in hepatobiliary, gallstone, cholestasis, and research formulation programs where local regulations permit. Suzhou Pharmaceutical Technology Co., Ltd. supplies Ursodeoxycholic Acid API in bulk from Suzhou, China, with export to South America, Australia, New Zealand, Mexico, Canada, and worldwide markets. Export documentation: COA and MSDS standard for all orders.
| Product Name | Ursodeoxycholic Acid |
| Structural Formula |  |
| Alias | UDCA; Ursodiol; Ursodesoxycholic acid; Acido ursodeoxicolico; Actigall active ingredient; Urso active ingredient |
| CAS Number | 128-13-2 |
| Molecular Formula | C24H40O4 |
| Molecular Weight | 392.6 g/mol |
| Purity | Available by agreed HPLC specification |
| Appearance | White to off-white crystalline powder |
| Storage | Store sealed, protected from light and moisture |
> Applications
Ursodeoxycholic Acid is used by pharmaceutical and research organizations developing hepatobiliary and bile-acid products. API supply is intended for qualified buyers who will confirm dosage form, indication language, impurity requirements, pharmacopoeial strategy, and finished-dose registration obligations in their own markets.
Primary biliary cholangitis formulation research
A 2000 journal article reported a randomized, double-blind, placebo-controlled multicenter trial of Ursodeoxycholic Acid in primary biliary cirrhosis patients (Journal of Hepatology, doi:10.1016/S0168-8278(00)80216-0, n=192). This supports UDCA API relevance for hepatobiliary formulation and analytical-development programs.
Gallstone and bile-acid development
Buyers typically evaluate assay, related substances, bile-acid impurity profile, residual solvents, water content, particle properties, and stability data before moving from sample quantities to pilot or commercial batches. We supply API only, not finished capsules, tablets, oral suspensions, or veterinary finished products.
> Sourcing & Supply
Suzhou Pharmaceutical Technology Co., Ltd. is an R&D-driven pharmaceutical company with in-house synthesis and analytical capability for Ursodeoxycholic Acid API. Small batches (up to 10 kg) are produced directly by our technical team in Suzhou. For larger commercial quantities, production is scaled up at qualified manufacturing facilities, with export documentation provided according to the order scope.
- Small-batch orders (≤10 kg): prepared by our technical team in Suzhou. Lead time 10–14 business days from order confirmation.
- Commercial bulk (>10 kg): scaled up at qualified manufacturing facilities. Lead time 14–21 business days depending on batch size and documentation.
We export Ursodeoxycholic Acid API to buyers across South America — including Brazil, Argentina, Colombia, Chile, Peru, Ecuador, Bolivia, Paraguay, and Uruguay — as well as to Australia, New Zealand, Mexico, and Canada. Inquiries from European, Middle Eastern, and Asian markets are also welcome.
> Quality & Export Documentation
All Ursodeoxycholic Acid shipments are accompanied by a Certificate of Analysis (COA) confirming identity, appearance, assay, and related substances against batch specification. Purity is tested by HPLC against an authenticated reference standard. MSDS is provided for all orders, and Certificate of Origin (COO) is available for commercial bulk shipments.
| Order size | Documentation included |
| ≤10 kg (small-batch / research) | COA + MSDS |
| >10 kg (commercial bulk) | COA + MSDS + COO |
> Packaging & Logistics
- 100 g, 500 g: double-layered aluminium foil bag, heat-sealed, nitrogen-purged
- 1 kg: aluminium foil bag inside kraft paper box
- 5 kg, 10 kg: aluminium foil bag inside fibre drum
- >10 kg: packaging agreed according to commercial order requirements
Ursodeoxycholic Acid API is shipped with light- and moisture-protective packaging and batch labels matched to the COA. Shipping options include express courier for samples, air freight for kilogram orders, and sea freight for larger commercial shipments where timing allows.
> Pricing & Supply
Ursodeoxycholic Acid pricing is provided on request. We do not publish list prices because the final quote depends on order quantity, purity requirement, documentation needs, shipping destination, and current raw material costs.
- MOQ: 100 g for qualified buyers
- Sample policy: 10–50 g samples available for analytical confirmation
- Bulk discount tiers apply at 500 g, 1 kg, 5 kg, and 10 kg
- Payment: T/T (bank transfer). 100% in advance for standard orders. Terms for larger repeat orders by arrangement.
> Frequently Asked Questions
What is the minimum order quantity for Ursodeoxycholic Acid API?
The minimum order quantity for Ursodeoxycholic Acid API is 100 grams. Sample quantities of 10–50 g are available for qualified buyers.
What documents are included with a Ursodeoxycholic Acid bulk order?
All Ursodeoxycholic Acid orders include a COA and MSDS in English. For commercial bulk orders above 10 kg, COO is available as standard export documentation.
Can I request a Ursodeoxycholic Acid sample before placing a bulk order?
Yes. Sample quantities of 10–50 g are available for qualified buyers before pilot or commercial orders.
Do you export Ursodeoxycholic Acid API to South America?
Yes. We support inquiries from Brazil, Argentina, Colombia, Chile, Peru, Ecuador, Bolivia, Paraguay, and Uruguay.
Can buyers in Australia, New Zealand, Mexico, or Canada order UDCA?
Yes. We supply Ursodeoxycholic Acid API to buyers in Australia, New Zealand, Mexico, and Canada. COA and MSDS are included with all orders.
What is Ursodeoxycholic Acid used for?
Ursodeoxycholic Acid is a bile acid API used in hepatobiliary, gallstone, cholestasis, and research formulation programs where local regulations allow.
Is ursodiol the same as Ursodeoxycholic Acid?
Yes. Ursodiol is another name for Ursodeoxycholic Acid, commonly abbreviated as UDCA.
What specification is available for Ursodeoxycholic Acid CAS 128-13-2?
Ursodeoxycholic Acid is supplied by agreed HPLC specification, including assay, related substances, bile-acid impurities, and water-content controls.
How is Ursodeoxycholic Acid packaged and shipped internationally?
Ursodeoxycholic Acid API is shipped in foil bags or foil-lined fibre drums with protection from light and moisture during international transit.
Do you supply finished ursodiol capsules or tablets?
No. We supply Ursodeoxycholic Acid API, not finished capsules, tablets, oral suspensions, or branded products.
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> Request a Quote or Sample
To request a quote or sample for Ursodeoxycholic Acid API (CAS 128-13-2), please contact us directly at Info@fmyykj.com.
Include in your inquiry: required quantity (grams or kg), destination country, documentation requirements (COA + MSDS standard; COO for bulk), and intended use (formulation / analytical development / research / other). We respond to all inquiries within 1 business day.
Last reviewed: June 2026