Budesonide Impurity N19 CAS 3949-79-9
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 3949-79-9 |
| Molecular Formula | C23H28O7 |
| Molecular Weight | 416.46 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Budesonide Impurity N19 (CAS 3949-79-9) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C23H28O7. Molecular weight: 416.46 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C23H28O7 |
| Molecular Weight | 416.46 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
Related Budesonide Standards
- Budesonide Impurity 60 (CAS CATO-C4X-138960)
- Budesonide 1,4,14-Triene Triol Impurity (CAS 131918-72-4)
- Budesonide Impurity 19 (Mixture of Epimer) (CAS 192057-49-1)
- Budesonide EP Impurity F(Desonide) (CAS 638-94-8)
- Budesonide Impurity 17 (CAS CATO-C4X-138917)
- Budesonide Impurity 65 (CAS 2451560-12-4)
- Budesonide EP Impurity H (Mixture of Epimer) (CAS 313474-58-7)
- Budesonide Impurity 33 (CAS 23825-05-0)
Recommended Standards
- 5-hydroxy-4'-methoxy-4-(1,2,3,4-tetrahydroisoquinolin-1-yl)-6-(1H-1,2,4-triazol-1-yl)-1,6-dihydro-[1,1'-biphenyl]-3(2H)-one (CAS 1005273-39-1)
- Epimagnolin B (CAS 1134188-26-3)
- 3-Amino-5-((2-carboxy-5-isobutoxyphenyl)amino)-4-isobutoxybenzoic acid (CAS 1096806-43-7)
- Folic Acid Impurity 34 (CAS 71963-69-4)
- Fluorescein Impurity 15 (CAS 869811-23-4)
- (R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)oct-7-enoic acid (CAS 1208226-88-3)
- Proxalutamide (CAS 1398046-21-3)
- 4-Vinylbenzoyl chloride (CAS 1565-41-9)
- N-benzyl-2,2-dimethyltetrahydro-2H-pyran-4-amine (CAS 112337-58-3)
- Liraglutide Impurity 31 (CAS CATO-C4X-199231)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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