Anastrozole EP Impurity I CAS 120511-91-3
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 120511-91-3 |
| Molecular Formula | C15H17ClN2 |
| Molecular Weight | 260.76 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Anastrozole EP Impurity I (CAS 120511-91-3) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C15H17ClN2. Molecular weight: 260.76 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C15H17ClN2 |
| Molecular Weight | 260.76 g/mol |
| Purity | 97%+ |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Anastrozole Standards
- Anastrozole Impurity 2 (CAS 120512-36-9)
- Anastrozole Impurity 38 (CAS CATO-C4X-123938)
- Anastrozole Impurity 12 (CAS 19294-04-3)
- Anastrozole EP Impurity E (CAS 120511-88-8)
- Anastrozole EP Impurity A (CAS 1215780-15-6)
- Anastrozole Impurity 32 (CAS CATO-C4X-123932)
- Anastrozole Impurity 18 (CAS 120511-89-9)
- Anastrozole Impurity 31 (CAS CATO-C4X-123931)
Recommended Standards
- Hexachlorobutadiene (CAS 87-68-3)
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- Bedaquiline Impurity 19 (CAS CATO-C4X-116719)
- Loratadine Impurity 25 (CAS CATO-C4X-142625)
- 2-Amino-6-bromo-4-methoxy-benzoic Acid (CAS 1378873-30-3)
- (2E)-2-(5-Acetylthiophen-2-yl)-3-(2,5-difluorophenyl)prop-2-enenitrile (CAS 478260-99-0)
- 7-Bromo-2-methyl-2H-pyrido[3,2-b][1,4]oxazin-3(4H)-one (CAS 1203681-44-0)
- 1-(2-Methylpropyl)cyclobutane-1-carboxylic acid (CAS 1261269-34-4)
- Liraglutide(5-31)TFA Salt (CAS CATO-C4X-19924)
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