Sitagliptin Impurity 4 CAS 764667-65-4
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 764667-65-4 |
| Molecular Formula | C16H12F6N4O2 |
| Molecular Weight | 406.28 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Sitagliptin Impurity 4 (CAS 764667-65-4) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C16H12F6N4O2. Molecular weight: 406.28 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C16H12F6N4O2 |
| Molecular Weight | 406.28 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | >95% |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 4 |
Related Sitagliptin Standards
- Sitagliptin Impurity 108 (CAS CATO-C4X-1144108)
- Sitagliptin Impurity 109 (CAS CATO-C4X-1144109)
- Sitagliptin Impurity 137 (CAS CATO-C4X-1144137)
- Sitagliptin Impurity 23 (CAS CATO-C4X-114423)
- Sitagliptin Impurity 24 (CAS CATO-C4X-114424)
- Sitagliptin Impurity 9 (CAS 767340-03-4)
- Sitagliptin EP Impurity A (CAS 823817-55-6)
- Sitagliptin Impurity 116 (CAS 945261-50-7)
Recommended Standards
- Ruxolitinib Impurity 94 (CAS CATO-C4X-205894)
- 4-(2,4-Dichlorophenyl)-2-morpholino-5-(4H-1,2,4-triazol-3-yl)thiophene-3-carbonitrile (CAS 1202041-71-1)
- 3-(2-((3,4-Dichlorophenyl)amino)thiazol-5-yl)-3-oxo-N-phenylpropanamide (CAS 241132-49-0)
- Barloxavir impurity 78 (CAS 3047099-98-6)
- Alectinib Impurity 49 (CAS CATO-C4X-283649)
- Tofacitinib Impurity 36 (CAS CATO-C4X-107936)
- 2-(3-Methoxypropyl)-3-oxoisoindoline-4-carboxylic acid (CAS 881041-34-5)
- 4-{[(2,5-dichlorophenyl)sulfanyl]methyl}benzoic acid (CAS 413582-76-0)
- 2-Chloro-5-(1-pyrrolidinylcarbonyl)benzenesulfonyl chloride (CAS 91193-66-7)
- D-[His]1-Semaglutide X TFA salt (CAS CATO-CPTD788634)
Why CATO?
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