Letrozole Impurity 38 CAS 874-86-2
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 874-86-2 |
| Molecular Formula | C8H6ClN |
| Molecular Weight | 151.59 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Letrozole Impurity 38 (CAS 874-86-2) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C8H6ClN. Molecular weight: 151.59 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C8H6ClN |
| Molecular Weight | 151.59 g/mol |
| Appearance | Off-white to pale 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 methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Letrozole Standards
- Letrozole Impurity 29 (CAS 612-13-5)
- Letrozole Impurity 30 (CAS 64407-07-4)
- Letrozole Impurity N2 (CAS 84545-14-2)
- Letrozole Impurity 17 (CAS 112809-27-5)
- Letrozole Impurity 22 (CAS 876728-37-9)
- Letrozole Impurity 23 (CAS 876316-41-5)
- Letrozole Impurity 4 (CAS 112809-25-3)
- Letrozole Impurity 15 (CAS 74231-65-5)
Recommended Standards
- Pyrimethamine EP Impurity C (CAS 140-53-4)
- Pyrimethamine Impurity 6 (CAS 2856-63-5)
- Loratadine Impurity 69 (CAS 1529-41-5)
- Piribedil Impurity 17 (CAS CATO-C4X-281317)
- Dasatinib Impurity 6 (CAS CATO-C4X-16076)
- 4-(2,2,2-Trifluoroethoxy)phenol (CAS 129560-99-2)
- 4-amino-5,6-dimethyl thieno(2,3-d)pyrimidin-2(1H)-one hydrochloride (CAS 1033366-59-4)
- 6-methoxy-1-methyl-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole (CAS 1210-56-6)
- (17β)-3,17-Bis[(1-oxopentyl)oxy]-estra-1,3,5(10)-trien-6-one (CAS 1350468-78-8)
- Liraglutide(13-31)TFA Salt (CAS CATO-C4X-19929)
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