
Corticosteroids
Budesonide
Budesonide active pharmaceutical ingredient (USP / EP grade) for pharmaceutical manufacturers, with batch COA and documentation.
- CAS51333-22-3
- PurityUSP / EP grade, ≥98% (HPLC)
- FormCrystalline powder
- Pack sizes100 g, 1 kg, 10 kg
Expedited shipping & tier pricing are for buyer-account holders. Request an account or sign in.
- Cold-chain shipping worldwide
- COA & export documents included
- Dedicated B2B account manager

Molecular structure
Structural formula of Budesonide
- Molecular formula
- C25H34O6
- Molecular weight
- 430.53 g/mol
- CAS number
- 51333-22-3
- Sequence / class
- Glucocorticoid (16,17-acetal)
Identity is confirmed by HPLC and mass spectrometry on every batch COA.
Specifications
| CAS number | 51333-22-3 |
|---|---|
| Molecular formula | C25H34O6 |
| Molecular weight (free base) | 430.53 g/mol |
| Sequence / structure | Glucocorticoid (16,17-acetal) |
| Purity | USP / EP grade, ≥98% (HPLC) |
| Form | Crystalline powder |
| Storage | Room temperature (20–25 °C), protected from light |
| Pack sizes | 100 g, 1 kg, 10 kg |
| Therapeutic area | Corticosteroids |
Applications & use
For use by authorised pharmaceutical manufacturers and licensed compounding facilities in accordance with applicable regulations.
Quality assurance
- Batch-specific COA with HPLC purity and MS identity
- Peptide content, water and counter-ion data reported
- GMP / ISO manufacturing documentation for verified buyers
- Cold-chain packaging with stability-appropriate storage
Procurement
Minimum order quantities are product-specific and quoted per RFQ. Typical lead time 2–4 weeks from PO for catalog APIs; custom synthesis quoted per project. See the buyer guide for shipping, payment terms and export documents.
Documents
Batch COA, HPLC / MS report and regulatory documents are provided with your quotation.
Procurement FAQ
Who can order Budesonide?
Verified business buyers only: pharmaceutical manufacturers, CROs, research institutions and licensed compounding pharmacies.
Which documents come with each batch?
Batch COA (HPLC / MS), MSDS, certificate of origin and commercial invoice as standard; GMP / ISO documents for verified buyers.
What pack sizes and lead times apply?
100 g, 1 kg, 10 kg. Typical lead time 2–4 weeks from PO for catalog APIs; custom synthesis quoted per project.




