Letrozole Impurity 14 CAS 2451658-74-3
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 2451658-74-3 |
| Molecular Formula | C10H7ClN4 |
| Molecular Weight | 218.64 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Letrozole Impurity 14 (CAS 2451658-74-3) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C10H7ClN4. Molecular weight: 218.64 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C10H7ClN4 |
| Molecular Weight | 218.64 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, 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 |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2000 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related Letrozole Standards
- Letrozole impurity 01 (CAS 10466-37-2)
- Letrozole Impurity 26 (CAS 870766-45-3)
- Letrozole Impurity 27 (CAS 160388-64-7)
- Letrozole Impurity 5 (CAS 32446-66-5)
- Letrozole Impurity 25 (CAS 1250126-45-4)
- Letrozole Impurity 6 (CAS 134521-16-7)
- Letrozole Impurity 24 (CAS CATO-C4X-182924)
- Letrozole Impurity 33 (CAS 1461654-89-6)
Recommended Standards
- 928713-84-2 2-(4-Chlorophenyl)pyrimidine-5-carbaldehyde DTXSID10589775 (CAS 928713-84-2)
- Diazoxide impurity 8 (CAS CATO-C4X-19528)
- N-(2-chloroacetyl)-2-(2-oxopyrrolidin-1-yl)acetamide (CAS 561002-06-0)
- Daclatasvir Impurity 26 (CAS 2226541-13-3)
- Trazodone Impurity 85 (CAS CATO-C4X-177285)
- N-[2-(Dimethylamino)-2-oxoethyl]-1-hydrazinecarboxamide hydrochloride (CAS 1610964-87-8)
- Lemborexant Impurity 39 (CAS CATO-C4X-304239)
- 2,6-Dichloro-N-(1-(3,4-dimethylphenyl)-3-(4-(trifluoromethoxy)phenyl)-1H-pyrazol-5-yl)isonicotinamide (CAS 849066-57-5)
- Methyl 2-(piperidin-2-yl)benzoate hydrochloride (CAS 1203685-41-9)
- Semaglutide Main Chain P29 (CAS 1169630-82-3)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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