Aprepitant Impurity 72 CAS 502537-07-7
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 502537-07-7 |
| Molecular Formula | C13H12F3NO4 |
| Molecular Weight | 303.23 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Aprepitant Impurity 72 (CAS 502537-07-7) pharmacopoeial impurity standards reference standard. Molecular formula: C13H12F3NO4. Molecular weight: 303.23 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C13H12F3NO4 |
| Molecular Weight | 303.23 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Aprepitant Standards
- Aprepitant Impurity 39 (CAS 176306-78-8)
- Aprepitant Impurity 32 (CAS 225920-05-8)
- Aprepitant Impurity 33 (CAS 1265177-56-7)
- Aprepitant Impurity 38 (CAS 127852-28-2)
- Aprepitant Impurity 45 (CAS 364-47-6)
- Aprepitant Impurity 76 (CAS CATO-C4X-114176)
- Aprepitant impurity 28 (CAS 479679-98-6)
- Aprepitant Impurity 34 (CAS 30071-93-3)
Recommended Standards
- Tetraethyl (Aminomethylene)bis(phosphonate) (CAS 80474-99-3)
- Pomalidomide Impurity 11 (CAS 19171-18-7)
- N-(3,5-bis(trifluoromethyl)phenyl)hydrazinecarbothioamide (CAS 38901-31-4)
- Sitagliptin Tablets EP Impurity FP-B (CAS 2805078-75-3)
- Crisaborole impurity 109 (CAS CATO-C4X-2021109)
- N-(3-(dimethoxymethyl)pyridin-4-yl)pivalamide (CAS 824429-52-9)
- 1,4-Bis(tris(4-bromophenyl)methyl)benzene (CAS 1449226-24-7)
- 1-(5-Fluoro-3-methylpyridin-2-yl)ethan-1-ol (CAS 2833706-85-5)
- 3-(2-Hydroxyethyl)-1,3-diazaspiro[4.5]decane-2,4-dione (CAS 882-67-7)
- Insulin Degludec Impurity 18 (CAS CATO-C4X-215718)
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