Estradiol Impurity N1 CAS 4011-48-7
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 4011-48-7 |
| Molecular Formula | C19H24O2 |
| Molecular Weight | 284.39 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Estradiol Impurity N1 (CAS 4011-48-7) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C19H24O2. Molecular weight: 284.39 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C19H24O2 |
| Molecular Weight | 284.39 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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.) | 1958 |
Related Estradiol Standards
- Estradiol Impurity 26 (CAS CATO-C4X-163626)
- Estradiol Impurity 27 (CAS CATO-C4X-163627)
- Estradiol Impurity 30 (CAS 4954-08-9)
- Estradiol Impurity 44 (CAS CATO-C4X-163644)
- Estradiol Impurity 51 (CAS 165609-57-4)
- Estradiol Impurity 5 (CAS 1476-34-2)
- Estradiol USP Related Compound C (CAS 571-92-6)
- Estradiol Impurity 4 (CAS 566-75-6)
Recommended Standards
- 1,1-[(2-Ethyl-1,3-propanediyl)bis(oxymethylene)]bisbenzene (CAS 33498-90-7)
- 1,3-di-tert-butyl cyclohexane-1,3-dicarboxylate (CAS 220179-70-4)
- (S)-2-(1-((2-Amino-3,3-dimethylbutanamido)methyl)cyclohexyl)acetic acid (CAS 478185-94-3)
- Difelikefalin Impurity 72 (CAS CATO-C4X-304172)
- Olopatadine Impurity 50 TFA salt (CAS CATO-C4X-171850)
- (R)-3-(Methoxycarbonyl)-4-methylpentanoic acid (CAS 220498-08-8)
- 2-(5-Amino-3-(3-bromophenyl)-4-nitro-1H-pyrazol-1-yl)ethanol (CAS 1713476-62-0)
- 2-Ethoxy-N-(5-methylthiazol-2-yl)acetamide (CAS 1252144-19-6)
- 2-(Pyridin-3-ylmethyl)octahydropyrrolo[3,4-c]pyrrole (CAS 1422068-06-1)
- Semaglutide Impurity 146 (CAS 2645421-68-5)
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