Acarbose EP Impurity A CAS 1013621-79-8
| CAS No. | 1013621-79-8 |
| Molecular Formula | C25H43NO18 |
| Molecular Weight | 645.60 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Acarbose EP Impurity A (CAS 1013621-79-8), a pharmacopoeial impurity reference standard (molecular formula C25H43NO18, MW 645.60 g/mol) used for the identification and quantification of trace impurities in APIs.
Acarbose EP Impurity A (C25H43NO18) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C25H43NO18 |
| Molecular Weight | 645.60 g/mol |
| Purity | >90% |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 1 |
Related Acarbose Standards
- Acarbose (CAS 56180-94-0)
- Acarbose EP Impurity C (CAS 610271-07-3)
- Acarbose EP Impurity B (CAS 1220983-54-9)
- Acarbose-d4 (CAS 1260619-60-0)
- Acarbose EP Impurity H (CAS 196944-81-7)
- Acarbose Impurity 11 (Mixture of Diastereomers) (CAS CATO-C4X-117311)
- Acarbose EP Impurity D (CAS 68128-53-0)
- Acarbose EP Impurity E (CAS CATO-C4X-11735)
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- 2-Chloro-6-cyanopyridine-4-sulfonyl chloride (CAS 1393550-71-4)
- 4-(3-Bromophenyl)tetrahydro-2h-pyran (CAS 1353855-35-2)
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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