Budesonide Impurity 22(Mixture of Diastereomers) CAS CATO-C4X-138922
| CAS No. | CATO-C4X-138922 |
| Molecular Formula | C25H32O7 |
| Molecular Weight | 444.52 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.
CATO supplies Budesonide Impurity 22(Mixture of Diastereomers) (CAS CATO-C4X-138922), a pharmacopoeial impurity reference standard (molecular formula C25H32O7, MW 444.52 g/mol) used for the identification and quantification of trace impurities in APIs.
Structurally, Budesonide Impurity 22(Mixture of Diastereomers) (C25H32O7) contains a flavonoid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 444.52 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures Budesonide Impurity 22(Mixture of Diastereomers) under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C25H32O7 |
| Molecular Weight | 444.52 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 |
Related Budesonide Standards
- Budesonide 17,21-Diacetyloxy Impurity (CAS 17652-24-3)
- Budesonide impurity 45 (CAS 3517-49-5)
- Budesonide Impurity 76 (CAS CATO-C4X-138976)
- Budesonide EP Impurity I (CAS 113930-13-5)
- Budesonide Impurity 37 (CAS 95943-95-6)
- Budesonide-d8 (Mixture of Diastereomers) (CAS 1105542-94-6)
- Budesonide d6 (CAS 1134189-63-1)
- Budesonide Impurity 66 (CAS CATO-C4X-138966)
Recommended Standards
- Canagliflozin Impurity 86 (CAS CATO-C4X-112386)
- Canagliflozin Impurity 78 (CAS 842133-17-9)
- Hydrocortisone Impurity 72 (CAS CATO-C4X-140172)
- Canagliflozin Impurity 29 (CAS CATO-C4X-112329)
- Fluocinolone Acetonide Impurity 43 (CAS 3802-45-7)
- Cefixime Impurity 76 (CAS CATO-C4X-113976)
- Tegoprazan Impurity 135 (CAS CATO-C4X-2297135)
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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 18665070610 / Nicole.chen@cato-chem.com