17-Hydroxy-pregn-5-ene-3,20-dione Cyclic Bis(1,2-ethanediyl Acetal) 17|A-Hydroxypregn-5-ene-3,20-dione-3,20-bis(ethyleneketal) 3386-00-3 CAS 3386-00-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 3386-00-3 |
| Molecular Formula | C25H38O5 |
| Molecular Weight | 418.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 17-Hydroxy-pregn-5-ene-3,20-dione Cyclic Bis(1,2-ethanediyl Acetal) 17|A-Hydroxypregn-5-ene-3,20-dione-3,20-bis(ethyleneketal) 3386-00-3 (CAS 3386-00-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C25H38O5. Molecular weight: 418.57 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C25H38O5 |
| Molecular Weight | 418.57 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Hydroxy Standards
- Hydroxy-PEG3-SS-PEG3-alcohol (CAS 5662-81-7)
- (2-Hydroxy-4-(3-(triethoxysilyl)propoxy)phenyl)(phenyl)methanone (CAS 79876-59-8)
- n-Hydroxy Succinate (CAS 8005-40-1)
- 6α-Hydroxy Prednisolone Acetate (CAS 134526-05-9)
- 5-Hydroxy-3-(4-methoxyphenyl)-8,8-dimethyl-10-(3-methylbut-2-en-1-yl)pyrano[3,2-g]chromen-4(8H)-one (CAS 4225-28-9)
- Ethyl 4-hydroxy-2-(((5-(morpholinomethyl)-2-oxooxazolidin-3-yl)imino)methyl)furo[2,3-b]pyridine-5-carboxylate (CAS 6599-84-4)
- 8-Hydroxy-3,5,7,3,4,5-hexamethoxyflavone (CAS 202846-95-5)
- 3α-Hydroxy-3-deoxocyproterone 17-acetate (CAS 167356-55-0)
Recommended Standards
- Oxazole, 2,2′-methylenebis[4-[4-(1,1-dimethylethyl)phenyl]-4,5-dihydro-, (4R,4′R)- (CAS 866540-34-3)
- Cholic Acid Impurity 72 (CAS 25480-14-2)
- Cinnarizine EP Impurity E (CAS 216581-01-0)
- Melengestrol Acetate-d3 (CAS CATO-CCAD300861)
- H-γ-Abu-OBzl · p-tosylate (CAS 26727-22-0)
- Trimethyl(2-(phenylsulfonyl)ethyl)silane (CAS 73476-18-3)
- N-(2-Furylmethyl)-N-(2-methoxyethyl)-propane-1,3-diamine (CAS 1170289-81-2)
- 1-(4-Bromophenyl)-3-phenyl-1H-pyrazol-5(4H)-one (CAS 87277-69-8)
- Methyl 3-(2-morpholinoacetamido)thiophene-2-carboxylate (CAS 477887-71-1)
- Semaglutide impurity 196 (CAS CATO-C4X-2226196)
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