Norethisterone EP Impurity C CAS 22933-71-7
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 22933-71-7 |
| Molecular Formula | C20H26O2 |
| Molecular Weight | 298.42 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Norethisterone EP Impurity C (CAS 22933-71-7) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C20H26O2. Molecular weight: 298.42 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C20H26O2 |
| Molecular Weight | 298.42 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| 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.) | 1963 |
Related Norethisterone Standards
- Norethisterone EP Impurity G (CAS 38673-36-8)
- Norethisterone EP Impurity D (CAS 68-23-5)
- Norethisterone EP Impurity A (CAS 31528-46-8)
- Norethisterone EP Impurity E (CAS 79727-03-0)
- Norethisterone EP Impurity H (CAS 51724-44-8)
- Norethisterone EP Impurity F (CAS 96487-85-3)
- Norethisterone Acetate (CAS 51-98-9)
- Norethisterone Acetate EP Impurity C (CAS 1175129-26-6)
Recommended Standards
- all-trans-3,4-Didehydro Retinoic Acid (CAS 4159-20-0)
- Norethindrone (CAS 68-22-4)
- Exemestane EP Impurity H (CAS 122370-91-6)
- Eltrombopag impurity 142 (CAS CATO-C4X-1198142)
- Cefdinir USP Impurity A (CAS 178949-03-6)
- 2-(2,4-Dichlorophenyl)imidazo[1,2-a]pyridine (CAS 63111-80-8)
- (Z)-5-((5-(4-Bromophenyl)furan-2-yl)methylene)-2-thioxothiazolidin-4-one (CAS 1383845-75-7)
- Daunorubicin Impurity 1 (CAS 51996-45-3)
- Brexpiprazole impurity 114 (CAS 131540-81-3)
- MCH-Gene-Overprinted-Polypeptide-14 (rat) (H-4746.0500) (CAS 182917-44-8)
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