Sitagliptin Impurity 118 CAS 1261633-32-2
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 1261633-32-2 |
| Molecular Formula | C9H7ClF2O2 |
| Molecular Weight | 220.60 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Sitagliptin Impurity 118 (CAS 1261633-32-2), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C9H7ClF2O2. Molecular weight: 220.60 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C9H7ClF2O2 |
| Molecular Weight | 220.60 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | >95% |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F/Cl-containing |
Related Sitagliptin Standards
- Sitagliptin Impurity 147 (CAS 1481965-39-2)
- Sitagliptin Impurity 78 (Nitroso-STG-19) (NTTP) (CAS 2892260-32-9)
- Sitagliptin Impurity 58 (CAS 667-35-6)
- Sitagliptin Impurity 166 (CAS 2226094-64-8)
- Sitagliptin Impurity 167 (CAS 1840966-95-1)
- Sitagliptin Impurity 78-d4 (CAS 2892260-32-9 (unlabelled))
- Sitagliptin Impurity 109 (CAS 936630-56-7)
- Sitagliptin Impurity 127 (CAS CATO-C4X-1144127)
Recommended Standards
- Ethyl 4-chloro-2,6-difluorobenzoate (CAS 773139-38-1)
- Tegoprazan Impurity 10 (CAS CATO-C4X-229710)
- Ethyl 3-chloro-2,6-difluorobenzoate (CAS 773135-47-0)
- Trazodone impurity 76 (CAS CATO-C4X-177276)
- Rupatadine Impurity 36 (CAS 169253-15-0)
- Methyl N-(((9H-fluoren-9-yl)methoxy)carbonyl)-O-methyl-L-serinate (CAS 159610-95-4)
- Empagliflozin Impurity 110 (CAS CATO-C4X-1065110)
- 2-[bromo(phenyl)methyl]pyridine (CAS 1073477-82-3)
- 1,4-Dioxaspiro[4.5]decane-2-carbaldehyde (CAS 92822-62-3)
- Peptide Impurity 40 (CAS CATO-CPTD788840)
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