Sitagliptin Impurity 126 CAS 1555495-76-5
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 1555495-76-5 |
| Molecular Formula | C4H3F3N2O2 |
| Molecular Weight | 168.07 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Sitagliptin Impurity 126 (CAS 1555495-76-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C4H3F3N2O2. Molecular weight: 168.07 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C4H3F3N2O2 |
| Molecular Weight | 168.07 g/mol |
| Appearance | White to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1992 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Sitagliptin Standards
- Sitagliptin Impurity 80 (CAS 658-93-5)
- Sitagliptin Impurity 79 (CAS 81228-09-3)
- Sitagliptin Impurity 78 (CAS 85068-27-5)
- Sitagliptin Impurity 67 (CAS CATO-C4X-114467)
- Sitagliptin Impurity 163 (CAS 2945884-76-2)
- Sitagliptin Impurity 107 (CAS 89124-06-1)
- Sitagliptin Impurity 62 (CAS 723286-98-4)
- Sitagliptin Impurity 80 (CAS 220199-85-9)
Recommended Standards
- 5-(Trifluoromethyl)imidazolidine-2,4-dione (CAS 859455-61-1)
- 4-Fluoro-1-methyl-3-(trifluoromethyl)-1H-pyrazole (CAS 1159445-42-7)
- (3-(Trifluoromethyl)-1,2,4-oxadiazol-5-yl)methanol (CAS 1338495-26-3)
- Cinepazide Impurity 9 (CAS 1352050-81-7)
- Loxoprofen Impurity 6 (CAS CATO-C4X-14886)
- tert-Butyl 2-(((2-fluoropyridin-3-yl)oxy)methyl)azetidine-1-carboxylate (CAS 887576-27-4)
- Ethyl 4-bromo-3-(ethoxymethyl)benzoate (CAS 948349-66-4)
- Tert-butyl 4-(2-(dimethylamino)-2-oxoethyl)piperidine-1-carboxylate (CAS 1033705-58-6)
- N-[4-(2-Cyclohexylethoxy)phenyl]-N-(4-isopropylbenzyl)amine (CAS 1040679-85-3)
- D-Tyr10-Tirzepatide (CAS CATO-CPTD788922)
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