Anastrozole Impurity 19 CAS 918312-71-7
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 918312-71-7 |
| Molecular Formula | C26H29N3 |
| Molecular Weight | 383.53 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Anastrozole Impurity 19 (CAS 918312-71-7) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C26H29N3. Molecular weight: 383.53 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C26H29N3 |
| Molecular Weight | 383.53 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
Related Anastrozole Standards
- Anastrozole EP Impurity D (CAS 1027160-12-8)
- Anastrozole Impurity 21 (CAS CATO-C4X-123921)
- Anastrozole Impurity N2 (CAS 1186102-55-5)
- Anastrozole Impurity 37 (CAS CATO-C4X-123937)
- Anastrozole Impurity 27 (CAS CATO-C4X-123927)
- Anastrozole Diacid (CAS 1338800-81-9)
- Anastrozole Impurity 15 (CAS 2469244-33-3)
- Anastrozole Impurity 16 (CAS 120512-04-1)
Recommended Standards
- N-Dodecyl-2-(1H-imidazole-2-carbonyl)benzamide (CAS 62366-80-7)
- 2-(Difluoromethyl)-5-iodo-6-methoxypyridine-3-sulfonyl chloride (CAS 1805090-10-1)
- N-(3,4-dimethylphenyl)-2-((5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4-yl)thio)acetamide (CAS 332161-97-4)
- Dapagliflozin Impurity 51 (CAS CATO-C4X-113851)
- Doxofylline Impurity 43 (CAS CATO-C4X-151343)
- N,N-Dimethyl-3-nitrobenzenesulfonamide (CAS 26199-83-7)
- 5,6-O-Isopropylidene-1,4-bis-O-(phenylmethyl)-DL-myo-Inositol (CAS 173828-64-3)
- Acetaminophen Impurity 44 (CAS 102019-96-5)
- 2-(5-Cyclobutyl-1,2,4-oxadiazol-3-yl)piperidine hydrochloride (CAS 1380300-78-6)
- Des-Gly29,30-Tirzepatide (CAS CATO-CPTD788944)
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