Stigmastadienone CAS 20817-72-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 20817-72-5 |
| Molecular Formula | C29H46O |
| Molecular Weight | 410.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Stigmastadienone (CAS 20817-72-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C29H46O. Molecular weight: 410.67 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C29H46O |
| Molecular Weight | 410.67 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | 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.) | 1962 |
Recommended Standards
- FF-MAS (CAS 64284-64-6)
- Rimegepant Impurity 100 (CAS CATO-C4X-2487100)
- 28-demethyl -β-amyrone (CAS 73493-60-4)
- 2,3-Dichlorophenyl-4'-nitrophenyl ether (CAS 82239-20-1)
- Glycolic acid-<SUP>13</SUP>C<SUB>2</SUB> (CAS 111389-68-5)
- 1-Ethylcyclohexyl but-2-enoate (CAS 307002-56-8)
- Boc-C1-PEG3-C4-OH (CAS 2376724-97-7)
- 2,5-Dichloro-3-iodophenol (CAS 1803809-27-9)
- 2-Ethyl-5-methylphenol (CAS 1687-61-2)
- Semaglutide Impurity 162 (x TFA Salt) (CAS CATO-C4X-2226162)
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