D-Ascorbic Acid Impurity 19 CAS 67776-07-2
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 67776-07-2 |
| Molecular Formula | C7H12O7 |
| Molecular Weight | 208.17 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies D-Ascorbic Acid Impurity 19 (CAS 67776-07-2), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C7H12O7. Molecular weight: 208.17 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C7H12O7 |
| Molecular Weight | 208.17 g/mol |
| Purity | >95% |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1976 |
Related D Standards
- Ascorbic Acid EP Impurity D (CAS 3031-98-9)
- Ascorbic Acid EP Impurity H (CAS 122046-79-1)
- Ascorbic Acid Impurity 43 (CAS 20229-76-9)
- Ascorbic Acid EP Impurity C (CAS 526-98-7)
- Ascorbic Acid EP Impurity G (CAS 66757-69-5)
- Ascorbic acid 13C6 (CAS 1354064-87-1)
- L-Ascorbic Acid-13C6 (CAS 1331939-77-5)
- L-Ascorbic acid-6- (CAS 149153-08-2)
Recommended Standards
- N-Nitroso Nafamostat impurity 93 (CAS CATO-C4X-133293)
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- Osimertinib Impurity 3 (AZD9291 Impurity 3) (CAS CATO-C4X-20453)
- Clofazimine Impurity 15 (CAS CATO-C4X-207115)
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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 13829788188 / jacky.chen@cato-chem.com