Mometasone Impurity 29 CAS 83880-63-1
| CAS No. | 83880-63-1 |
| Molecular Formula | C28H32O8S |
| Molecular Weight | 528.61 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Mometasone Impurity 29 (CAS 83880-63-1), a pharmacopoeial impurity reference standard (molecular formula C28H32O8S, MW 528.61 g/mol) used for the identification and quantification of trace impurities in APIs.
The molecular framework of Mometasone Impurity 29 (C28H32O8S) is characterized by a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.
CATO manufactures Mometasone Impurity 29 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 | C28H32O8S |
| Molecular Weight | 528.61 g/mol |
| 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |
| Sulfur Atoms | 1 |
Related Mometasone Standards
- Mometasone Impurity 27 (CAS 201601-32-3)
- Mometasone Furoate-d3 (CAS CATO-C4X-170422)
- Mometasone furoate-d3 (CAS CATO-CCAD303855)
- Mometasone Furoate EP Impurity F (CAS 1305334-30-8)
- Mometasone Impurity 35 (CAS CATO-C4X-170435)
- Mometasone Furoate EP Impurity J (CAS CATO-C4X-17049)
- Mometasone Furoate EP Impurity S (CAS 2231764-75-1)
- Mometasone Furoate Impurity 26 (CAS CATO-C4X-170426)
Recommended Standards
- Propargyl-PEG4-Sulfone-PEG4-acid (CAS 2055024-41-2)
- Osimertinib Impurity 24 (CAS CATO-C4X-204524)
- Belleaus Reagent (CAS 88816-02-8)
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- Fenoterol EP Impurity B (Enantiomer Mixture) (CAS 699525-61-6)
- Palbociclib Impurity 99 (CAS 2144748-14-9)
- Acalabrutinib Impurity 26 (CAS 1794737-26-0)
- 2-Bromo-2-methylheptane (CAS 77055-93-7)
- Methyl 1-benzyl-5,5-difluoropiperidine-3-carboxylate (CAS 1356338-67-4)
- Isonicotinaldehyde hydrate (CAS 857363-16-7)
- tert-butyl (2S)-2-formylpiperidine-1-carboxylate (CAS 150521-32-7)
- Undecanehydrazide (CAS 45135-30-6)
- 4-Amino-2-methylpyrrolidine-1-carbonitrile (CAS 2141784-25-8)
- Atrial Natriuretic Peptide (ANP)(1-28) Alpha (Human, Ovine, Canine) (CAS 91917-63-4)
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