Chlormadinone Acetate EP Impurity L CAS 2658-74-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2658-74-4 |
| Molecular Formula | C23H31ClO4 |
| Molecular Weight | 406.94 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Chlormadinone Acetate EP Impurity L (CAS 2658-74-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C23H31ClO4. Molecular weight: 406.94 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C23H31ClO4 |
| Molecular Weight | 406.94 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at room temperature, 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
Related Chlormadinone Standards
- Chlormadinone Acetate (CAS 302-22-7)
- Chlormadinone Acetate EP Impurity H (CAS 1054-64-4)
- Chlormadinone Acetate EP Impurity F (CAS 1172-82-3)
- Chlormadinone Acetate EP Impurity I (CAS 4809-88-5)
- Chlormadinone Acetate EP Impurity I (CAS 4203-01-4)
- Chlormadinone Acetate EP Impurity K (CAS 425-51-4)
- Chlormadinone Acetate EP Impurity E (CAS 15251-04-4)
- Chlormadinone (CAS 1961-77-9)
Recommended Standards
- 6alpha-Chloro-17-acetoxy Progesterone (CAS 2477-73-8)
- Hydromadinone Acetate (CAS 33125-90-5)
- (3S,8R,9S,10R,13S,14S,17R)-17-Acetyl-6-chloro-3-hydroxy-10,13-dimethyl-2,3,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl acetate (CAS 3114-44-1)
- Ethyl 2-(2-oxo-3-(3-(thiophen-3-yl)-1,2,4-oxadiazol-5-yl)pyridin-1(2H)-yl)acetate (CAS 1396759-60-6)
- 1-Methyl-1-phenylthiourea (CAS 4104-75-0)
- Tert-butyl (R)-2-methyl-3-oxo-1,4-diazepane-1-carboxylate (CAS 685858-98-4)
- 2-Bromo-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridine (CAS 365996-07-2)
- 6-(Benzylthio)hexan-2-one (CAS 189103-47-7)
- (2,3-Dichlorophenyl)(6-methoxypyridin-2-yl)methanone (CAS 1187171-11-4)
- Peptide Impurity 82 (CAS 10491-78-8)
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