Norethisterone Acetate CAS 51-98-9
Purity >95%In StockPharmaceutical Standards
| CAS No. | 51-98-9 |
| Molecular Formula | C22H28O3 |
| Molecular Weight | 340.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order Norethisterone Acetate (CAS 51-98-9) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C22H28O3. Molecular weight: 340.46 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C22H28O3 |
| Molecular Weight | 340.46 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Norethisterone Standards
- Norethisterone Acetate EP Impurity C (CAS 1175129-26-6)
- Norethisterone Acetate EP Impurity B (CAS 19637-28-6)
- Norethisterone Acetate EP Impurity G (CAS 438244-27-0)
- Norethisterone EP Impurity F (CAS 96487-85-3)
- Norethisterone Acetate EP Impurity F (CAS 6856-27-5)
- Norethisterone Acetate EP Impurity E (CAS 66964-58-7)
- Norethisterone EP Impurity H (CAS 51724-44-8)
- Norethisterone EP Impurity E (CAS 79727-03-0)
Recommended Standards
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- L-Stepholidine (CAS 16562-13-3)
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- 2-(6-Oxo-4-(m-tolyl)pyrimidin-1(6H)-yl)acetic acid (CAS 1710293-17-6)
- Methyl 5-(2-fluorophenyl)-1H-pyrrole-3-carboxylate (CAS 1240949-59-0)
- Methyl 5,6,7,8-Tetrahydropyrido[4,3-b]pyrazine-7-carboxylate Hydrochloride (CAS 264624-28-4)
- Tirzepatide Impurity 21 X TFA Salt (CAS CATO-C4X-324021)
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