Sitagliptin EP Impurity C CAS 945261-48-3
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 945261-48-3 |
| Molecular Formula | C16H16F5N5O |
| Molecular Weight | 389.32 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Sitagliptin EP Impurity C (CAS 945261-48-3) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C16H16F5N5O. Molecular weight: 389.32 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C16H16F5N5O |
| Molecular Weight | 389.32 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 5 |
Related Sitagliptin Standards
- Sitagliptin Impurity 75 (CAS 1334244-24-4)
- Sitagliptin Impurity 151 (CAS 1334244-32-4)
- Sitagliptin Impurity 152 (CAS CATO-C4X-1144152)
- Sitagliptin EP Impurity B (CAS 486460-31-5)
- Sitagliptin Impurity 99 (CAS 486459-88-5)
- Sitagliptin Impurity 86 (CAS 1246961-45-4)
- Sitagliptin Impurity 105 (CAS CATO-C4X-1144105)
- Sitagliptin Impurity 57 (CAS 1803026-58-5)
Recommended Standards
- Heptachlor epoxide Impurity 4 (CAS 76986-14-6)
- trans-Heptachlor Epoxide Isomer A (CAS 28044-83-9)
- 4-(2-Bromo-5-cyclohexyl-3-hydroxypent-1-en-1-yl)hexahydro-2H-cyclopenta[b]furan-2,5-diol (CAS 60057-00-3)
- Olanzapine Impurity 42 (CAS 161696-76-0(free base))
- Methylene blue Impurity 17 (CAS CATO-C4X-189617)
- (S)-1-(2-Fluoro-3-(trifluoromethyl)phenyl)ethan-1-amine (CAS 1228570-38-4)
- Methyl 3-((2,4-dichlorophenoxy)methyl)-6-(trifluoromethyl)thieno[3,2-b]pyridine-2-carboxylate (CAS 1400872-29-8)
- 1-phenyl-2-(pyrrolidin-2-yl)ethan-1-ol (CAS 1354959-11-7)
- 1-(5-Bromo-2-methylphenyl)-2,2,2-trifluoroethan-1-one (CAS 1537447-67-8)
- Angiotensin III Antipeptide (CAS 133605-55-7)
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