Cryptotanshinone CAS 35825-57-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 35825-57-1 |
| Molecular Formula | C19H20O3 |
| Molecular Weight | 296.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order Cryptotanshinone (CAS 35825-57-1) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C19H20O3. Molecular weight: 296.36 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C19H20O3 |
| Molecular Weight | 296.36 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
Recommended Standards
- 1,2-Dibenzoyl-1-tert-butylhydrazine (CAS 112225-87-3)
- Tri(thiophen-2-yl)phosphine oxide (CAS 1021-21-2)
- 2-(Cyclohexylamino)-5-(phenylamino)-2,5-cyclohexadiene-1,4-dione (CAS 68054-78-4)
- tert-Butyl(6-oxo-5,6-dihydro-1H-[1,2]diazepino[4,5,6-cd]indol-8-yl)carbamate (CAS 731810-58-5)
- (2S,4S)-1-(tert-Butoxycarbonyl)-4-(4-methyl-phenoxy)-2-pyrrolidinecarboxylic acid (CAS 1217791-36-0)
- Indocyanine Green Impurity 15 (2,4-Dinitroaniline) (CAS 97-02-9)
- N-Nitroso Ambroxol impurity 114 (CAS CATO-C4X-1085114)
- N-(3-cyano-4,5,6,7-tetrahydrobenzo[b]thiophen-2-yl)furan-2-carboxamide (CAS 61600-70-2)
- Ethyl 2-chloro-4,6-dimethylpyrimidine-5-carboxylate (CAS 108381-23-3)
- Semaglutide impurity 203 (CAS CATO-C4X-2226203)
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