Betamethasone Impurity N82 CAS 123013-29-6
| CAS No. | 123013-29-6 |
| Molecular Formula | C27H37FO6 |
| Molecular Weight | 476.58 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C27H37FO6, Betamethasone Impurity N82 contains a steroid core, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 476.58 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Betamethasone Impurity N82 (CAS 123013-29-6) is a certified pharmaceutical impurity reference standard with the molecular formula C27H37FO6 and a molecular weight of 476.58 g/mol.
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 Betamethasone Impurity N82 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 | C27H37FO6 |
| Molecular Weight | 476.58 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Halogen Content | F-containing |
Related Betamethasone Standards
- Betamethasone Cyclic 17,21-(Ethyl Orthopropionate) (CAS 1062-09-5)
- Betamethasone Valerate EP Impurity E (Betamethasone 21-Valerate) (CAS 2240-28-0)
- Betamethasone Valerate EP Impurity C (CAS 33755-46-3)
- Betamethasone 17A-Valerate (CAS 2152-44-5)
- Betamethasone Acetate EP Impurity C (CAS 330157-05-6)
- Betamethasone Impurity 21 (CAS 154713-07-2)
- Betamethasone impurity 103 (CAS CATO-C4X-1437103)
- Betamethasone Impurity 132 (CAS CATO-C4X-1437132)
Recommended Standards
- (R)-1-[5-Amino-2-(2-benzyloxy-1,1-dimethyl-ethyl)-6-fluoro-indol-1-yl]-3-benzyloxy-propan-2-ol (CAS 1294504-67-8)
- 2-Phenylamino-3-Methyl-6-Diethylaminofluoran (CAS 29512-49-0)
- Octyl 2-3-4-6-tetra-O-acetyl-β-D-thioglucopyranoside (CAS 85618-26-4)
- Linagliptin-d4 (CAS 2140263-92-7)
- Nemonoxacin Impurity 9 (CAS CATO-C4X-31289)
- Sepiapterin Impurity 7 (CAS CATO-C4X-31027)
- Bempedoic Acid Impurity 40 (CAS CATO-C4X-218940)
- 3-Nitro-4-propyl-1H-pyrrole-2-carboxylic acid (CAS 866043-56-3)
- 1-(Tert-butyl) 2-methyl (2R,4R)-4-(methylamino)pyrrolidine-1,2-dicarboxylate (CAS 2165540-04-3)
- (3-((1,4-Dioxa-8-azaspiro[4.5]Decan-8-yl)methyl)phenyl)(m-tolyl)methanone (CAS 898761-32-5)
- 2-Bromohexanamide (CAS 13161-97-2)
- Tert-butyl 3-amino-4-(2-(trifluoromethyl)phenyl)piperidine-1-carboxylate (CAS 916421-16-4)
- N-[2-(4-Chlorophenoxy)ethanimidoyl]benzenesulfonohydrazide (CAS 321430-74-4)
- D-[Ser]8-Semaglutide (CAS CATO-CPTD788632)
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