Norethisterone EP Impurity E CAS 79727-03-0
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 79727-03-0 |
| Molecular Formula | C22H26O |
| Molecular Weight | 306.44 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Norethisterone EP Impurity E (CAS 79727-03-0) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C22H26O. Molecular weight: 306.44 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C22H26O |
| Molecular Weight | 306.44 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 | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1979 |
Related Norethisterone Standards
- Norethisterone EP Impurity H (CAS 51724-44-8)
- Norethisterone EP Impurity G (CAS 38673-36-8)
- Norethisterone EP Impurity D (CAS 68-23-5)
- Norethisterone EP Impurity C (CAS 22933-71-7)
- Norethisterone EP Impurity A (CAS 31528-46-8)
- 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
- Lovastatin Impurity 8 (CAS 86827-77-2)
- Menaquinone Impurity 45 (CAS 112162-99-9)
- Exemestane Impurity 30 (CAS 14895-71-7)
- Telmisartan Impurity 13 (CAS 152628-00-7)
- Ilaprazole Impurity 127 (CAS CATO-C4X-1130127)
- 3-{[2-(2,4-dichlorophenyl)-2-oxoethyl]sulfanyl}-5-methyl-1,2-thiazole-4-carbonitrile (CAS 343372-95-2)
- Ethyl (E)-7-(2-(dimethylamino)vinyl)-2-(methoxymethyl)-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate (CAS 1374510-83-4)
- 6-Chloro-N-pyridin-4-ylnicotinamide (CAS 1090481-07-4)
- 2-(Cyclopropylmethoxy)-5-fluoroaniline (CAS 937596-77-5)
- Characteristic MSH-Tetrapeptide (CAS 4289-02-5)
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