(3β,5β,14β)-21,23-Epoxy-24-Norchola-20,22-diene-3,14,17-triol CAS 156722-18-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 156722-18-8 |
| Molecular Formula | C23H34O4 |
| Molecular Weight | 374.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order (3β,5β,14β)-21,23-Epoxy-24-Norchola-20,22-diene-3,14,17-triol (CAS 156722-18-8) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C23H34O4. Molecular weight: 374.51 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C23H34O4 |
| Molecular Weight | 374.51 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2001 |
Related Epoxy Standards
- Epoxy resins (CAS 61788-97-4)
- (3α,9S)-3,9-Epoxy-10,11-dihydro-6'-phenylcinchonan (CAS 1071928-41-0)
- 16α,17-Epoxy-21-hydroxypregna-4,9(11)-diene-3,20-dione Acetate (CAS 115034-45-2)
- (2α,3α,5α,16β)-2,3-Epoxy-16-(1-pyrrolidinyl)androstan-17-one (CAS 159325-45-8)
- 9β,11β-Epoxy-21dehydroxy Betamethasone (CAS 37413-99-3)
- 50394-27-9 9,11alpha-Epoxy-17-hydroxy-3-oxopregna-4-ene-21-carboxylic acid gamma-lactone (CAS 50394-27-9)
- 7,8-Epoxy-vitamin D3 (CAS 89231-90-3)
- (6α,9β,11β)-9,11-Epoxy-6-fluoropregna-1,4,16-triene-3,20-dione (CAS 1027011-64-8)
Recommended Standards
- Digitoxigenin (CAS 143-62-4)
- 3β-Acetoxy-17,17-(ethylenedioxy)androst-5-ene (CAS 17921-59-4)
- Avatrombopag Impurity 9 (CAS 2401867-89-6)
- N-(3-aminophenyl)-2-(trifluoromethyl)benzamide (CAS 926233-78-5)
- 3-Ethynyl-imidazo[1,2-a]pyrazine (CAS 943320-47-6)
- 2-Oxo Reproterol Tribenzyl (CAS 1797133-28-8)
- Holmium, [10-[2-[[2-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)ethyl]amino]-2-(oxo-κO)ethyl]-1,4,7,10-tetraazacyclododecane-1,4,7-triacetato(3-)-κN1,κN4,κN7,κN10]- (CAS 1349103-97-4)
- 2-bromo-1-(3,4-difluorophenyl)-2-methylpropan-1-one (CAS 1310094-20-2)
- Rasagiline impurity 60 (CAS CATO-C4X-191360)
- Biotinyl-Glucagon (1-29) (human, rat, porcine) trifluoroacetate salt (CAS 1802086-28-7)
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