Budesonide Impurity 29 CAS 51372-28-2
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 51372-28-2 |
| Molecular Formula | C25H34O6 |
| Molecular Weight | 430.53 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Budesonide Impurity 29 (CAS 51372-28-2) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C25H34O6. Molecular weight: 430.53 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C25H34O6 |
| Molecular Weight | 430.53 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1971 |
Related Budesonide Standards
- Budesonide EP Impurity C (CAS 1040085-99-1)
- Budesonide Impurity 48 (CAS 84197-04-7)
- Budesonide Impurity 73 (CAS CATO-C4X-138973)
- Budesonide Impurity 75 (CAS CATO-C4X-138975)
- Budesonide (CAS 51333-22-3)
- (22R)-Budesonide (CAS 51372-29-3)
- Budesonide impurity 42 (CAS CATO-C4X-138942)
- Budesonide Δ-6 Impurity (CAS 109458-75-5)
Recommended Standards
- Spironolactone Impurity 20 (CAS CATO-C4X-134520)
- N-Nitroso Mirabegron d5 (CAS CATO-C4X-1032131)
- 11-alpha-Hydroxy-4-pregnene-3,20-dione 11-hemisuccinate 4-((8S,9S,10R,11R,13S,14S,17S)-17-acetyl-10,13-dimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-11-yloxy)-4-oxobutanoic acid 41238-98-6 (CAS 41238-98-6)
- Celecoxib Impurity 55 (CAS 64704-17-2)
- Dorzolamide Impurity 5 (CAS CATO-C4X-12285)
- 2-(3-(Pyridin-4-yl)-1H-1,2,4-triazol-5-yl)aniline (CAS 1216198-26-3)
- 73688-69-4 1H-Benzimidazol-5-amine, 1-ethyl-2-methyl-, dihydrochloride (9CI) Benzimidazole, 5-amino-1-ethyl-2-methyl-, dihydrochloride 1-Ethyl-2-methyl-1H-benzimidazol-5-amine dihydrochloride 5-Amino-1-ethyl-2-methylbenzimidazole dihydrochloride EINECS 277-568-3 NSC 93773 (CAS 73688-69-4)
- Methyl 3-isobutyl-2-mercapto-4-oxo-3,4-dihydroquinazoline-7-carboxylate (CAS 855715-37-6)
- Ethyl 2-(4,5-dicyano-1H-imidazol-1-yl)acetate (CAS 939901-65-2)
- Semaglutide Impurity 129 (CAS 2490269-79-7)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com