Mometasone Impurity 33 CAS CATO-C4X-170433
| CAS No. | CATO-C4X-170433 |
| Molecular Formula | - |
| Molecular Weight | 451.49 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 451.49 g/mol gives Mometasone Impurity 33 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies Mometasone Impurity 33 (CAS CATO-C4X-170433), a pharmacopoeial impurity reference standard (molecular formula N/A, MW 451.49 g/mol) used for the identification and quantification of trace impurities in APIs.
Mometasone Impurity 33 is supplied as a fully characterized reference material; its structural identity, assigned purity, and stability data are documented in the batch-specific Certificate of Analysis (COA).
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 manufactures Mometasone Impurity 33 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 | C26H27AO7 |
| Molecular Weight | 451.49 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| 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) | 13.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
Related Mometasone Standards
- Mometasone Furoate EP Impurity O (CAS 24916-91-4)
- Mometasone Impurity 47 (CAS 223776-47-4)
- Mometasone Impurity C84 (CAS 722495-06-9)
- Mometasone Impurity 50 (CAS 23776-75-2)
- Mometasone Furoate EP Impurity A (CAS 83880-65-3)
- Mometasone Impurity 28 (CAS CATO-C4X-170428)
- Mometasone Furoate EP Impurity G (CAS 105102-22-5)
- Mometasone Impurity 49 (CAS CATO-C4X-170449)
Recommended Standards
- Afatinib Impurity 50 (CAS 2413212-25-4)
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- 7-ACCA Impurity 10 (CAS CATO-C4X-231310)
- Nintedanib Impurity 31 (CAS 2514952-69-1)
- Naloxone impurity 14 (CAS CATO-C4X-149314)
- Glipizide Impurity 33 (CAS CATO-C4X-140733)
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- (3-Boc-amino-pyrrolidin-1-yl)-furan-2-yl-acetic acid (CAS 885276-37-9)
- C-Peptide (Proinsulin) (CAS 59112-80-0)
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