180961-65-3 C20H26O4 Spiramilactone B W1329 CAS 180961-65-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 180961-65-3 |
| Molecular Formula | C20H26O4 |
| Molecular Weight | 330.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 180961-65-3 C20H26O4 Spiramilactone B W1329 (CAS 180961-65-3) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C20H26O4. Molecular weight: 330.42 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C20H26O4 |
| Molecular Weight | 330.42 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2008 |
Recommended Standards
- (2E)-2-(Benzenesulfonyl)-3-(methylsulfanyl)-3-(phenylamino)prop-2-enenitrile (CAS 1799604-87-7)
- Exemestane Diol Impurity (CAS 184972-11-0)
- N-Methyl-2-((1-(thiophene-3-carbonyl)piperidin-4-yl)sulfonyl)acetamide (CAS 1797630-34-2)
- 2-(3,5-Bis(trifluoromethyl)benzoyl)benzoic acid (CAS 175278-06-5)
- 2-((Benzofuran-2-ylthio)methyl)benzoic acid (CAS 62688-15-7)
- 4-Chloro-N-[2-(4-hydroxyphenyl)ethyl]benzamide-d4 (CAS 1189464-84-3)
- (4-Benzylpiperidin-1-yl)(4-fluorophenyl)methanone (CAS 260428-69-1)
- 5-(2-Chlorophenyl)-3-(3-nitrophenyl)-1,2,4-oxadiazole (CAS 425412-27-7)
- (1-(5-Fluoropyridin-2-yl)cyclopropyl)methanamine hydrochloride (CAS 2490704-89-5)
- Semaglutide impurity 38 (CAS CATO-C4X-222638)
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