Lemborexant Impurity 91 CAS 3070371-40-0
Purity ≥95%In StockPharmacopoeial Impurity Standards
| CAS No. | 3070371-40-0 |
| Molecular Formula | C17H19FN2O2 |
| Molecular Weight | 302.34 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Lemborexant Impurity 91 (CAS 3070371-40-0) pharmacopoeial impurity standards reference standard. Molecular formula: C17H19FN2O2. Molecular weight: 302.34 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C17H19FN2O2 |
| Molecular Weight | 302.34 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | ≥95% |
| Storage | Store at 2-8°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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2005 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Lemborexant Standards
- Lemborexant Impurity N1 (CAS 1369767-24-7)
- Lemborexant Impurity 23 (CAS 3037659-15-4)
- Lemborexant Impurity 56 (CAS CATO-C4X-304256)
- Lemborexant Impurity 71 (CAS CATO-C4X-304271)
- Lemborexant Impurity 83 (CAS CATO-C4X-304283)
- Lemborexant Impurity 44 (CAS CATO-C4X-304244)
- Lemborexant Impurity 37 (CAS 1369767-26-9)
- Lemborexant Impurity 70 (CAS CATO-C4X-304270)
Recommended Standards
- 1-(1,3-Dimethyl-1H-pyrazol-4-yl)-2-mercapto-4-((1-methyl-1H-pyrazol-4-yl)methylene)-1H-imidazol-5(4H)-one (CAS 1005626-64-1)
- N-(4-Methoxybenzo[d]thiazol-2-yl)-1,5-dimethyl-1H-pyrazole-3-carboxamide (CAS 1013756-86-9)
- N-(4-Methoxybenzo[d]thiazol-2-yl)-1,3-dimethyl-1H-pyrazole-5-carboxamide (CAS 1013798-29-2)
- Docetaxel Impurity 84 (CAS CATO-C4X-161984)
- Posaconazole Impurity 87 (CAS CATO-C4X-120887)
- N-(4-methoxyphenyl)-2-((3-(trifluoromethyl)phenyl)sulfonyl)acetamide (CAS 339097-47-1)
- 6-Bromo-3H-imidazo[4,5-β]pyridine-7-carboxylic Acid (CAS 117888-98-9)
- Prusogliptin Impurity 17 (CAS CATO-C4X-328417)
- Ethyl 7-oxo-7-(3,4,5-trichlorophenyl)heptanoate (CAS 951887-59-5)
- [β-Asp]9-Semaglutide (CAS CATO-CPTD788605)
Why CATO?
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- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com