155551-61-4 3a-Epiburchellin CAS 155551-61-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 155551-61-4 |
| Molecular Formula | C20H20O5 |
| Molecular Weight | 340.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
155551-61-4 3a-Epiburchellin (CAS 155551-61-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H20O5. Molecular weight: 340.37 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C20H20O5 |
| Molecular Weight | 340.37 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2001 |
Recommended Standards
- 4-{[(9R)-9-Hydroxy-2-azatricyclo[9.4.0.0³,⁸]pentadeca-1(11),3,5,7,12,14-hexaene-2-carbonyl]amino}butanoic acid (CAS 1523541-97-0)
- (9H-Fluoren-9-yl)methyl N-{[methoxy(methyl)carbamoyl]methyl}carbamate (CAS 156939-65-0)
- 2-(2-Oxo-2-phenylethyl)-2-phenyl-1H-indene-1,3(2H)-dione (CAS 1483-71-2)
- 2-(Chloromethyl)-6-methylimidazo[1,2-a]pyridine Hydrochloride (CAS 1052552-08-5)
- Omeprazole Impurity 54 (CAS 23165-60-8)
- (2R,3S)-3-amino-2-hydroxy-3-phenylpropanamide (CAS CATO-C4X-111546)
- [(2-{[2-(3-Chlorophenyl)ethyl]amino}-2-oxoethyl)-(4-methoxyphenyl)amino]acetic acid (CAS 1142204-29-2)
- Methyl 5-chloro-2,3-dihydro-1H-indole-2-carboxylate (CAS 113896-03-0)
- 2-(5-Chloropyridin-3-yl)acetic acid (CAS 39891-11-7)
- Semaglutide Impurity 151 xTFA (CAS CATO-C4X-2226151)
Why CATO?
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