1, 4-PREGNADIEN-9α, 11β-DICHLORO-17, 21-DIOL-3, 20-DIONE 21-ACETATE CAS 79-61-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 79-61-8 |
| Molecular Formula | C23H28Cl2O5 |
| Molecular Weight | 455.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1, 4-PREGNADIEN-9α, 11β-DICHLORO-17, 21-DIOL-3, 20-DIONE 21-ACETATE (CAS 79-61-8) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C23H28Cl2O5. Molecular weight: 455.37 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C23H28Cl2O5 |
| Molecular Weight | 455.37 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
Related PREGNADIEN Standards
- 1,4-Pregnadien-6α-methyl-11β,17α,21-triol-3,20-dione-21,21-d2 (CAS CATO-CCAD302849)
- 5, 16-PREGNADIEN-16-METHYL-3β-OL-20-ONE ACETATE (CAS 982-06-9)
- 1, 4-PREGNADIEN-11, 17, 21-TRIOL-3, 20-DIONE 21-SULPHATE, SODIUM SALT (CAS 3664-95-7)
- 4,6-Pregnadien-6-methyl-17α-ol-3,20-dione Acetate-d3 (CAS CATO-CCAD301782)
Recommended Standards
- (2S,3S,4S,5R,6S)-2-(methoxycarbonyl)-6-(2-nitrophenoxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate (CAS 55274-44-7)
- 2-Bromo-N-(4-(N-(2,6-dimethylpyrimidin-4-yl)sulfamoyl)phenyl)hexanamide (CAS 380467-37-8)
- 4-Nitrophenyl 2-3-4-tri-O-acetyl-β-D-glucuronide methyl ester (CAS 18472-49-6)
- Pyrimidin-5-ylboronic acid hemihydrate (CAS 696602-91-2)
- 4-Methoxy-2-(trifluoromethoxy)phenylboronic acid (CAS 1391918-92-5)
- (S)-5-(2-Aminoethyl)pyrrolidin-2-one (CAS 1909286-52-7)
- α-Hydroxymethyl-D-tyrosine (CAS 134309-86-7)
- m-PEG12-Mal (CAS 2853560-28-6)
- 6-(1H-Pyrazol-3-yl)-4H-1,4-benzoxazin-3-one (CAS 948551-31-3)
- Amyloid Precursor Frameshift Mutant C-Terminal Peptide trifluoroacetate salt (CAS 189125-14-2)
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