DihydrotanshinoneI CAS 87205-99-0
Purity >95%In StockPharmaceutical Standards
| CAS No. | 87205-99-0 |
| Molecular Formula | C18H14O3 |
| Molecular Weight | 278.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
DihydrotanshinoneI (CAS 87205-99-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H14O3. Molecular weight: 278.30 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H14O3 |
| Molecular Weight | 278.30 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1981 |
Recommended Standards
- Oxadixyl (CAS 77732-09-3)
- Ulopterol (Peucedanol methyl ether) (CAS 28095-18-3)
- Apalutamide impurity 91 (CAS CATO-C4X-274991)
- Cyclohexylmethylhydrazine, HCl (CAS 3637-58-9)
- 1-(4-Hydroxy-3,5-dimethylphenyl)-2-(phenylsulfonyl)ethan-1-one (CAS 339100-58-2)
- 2-Bromo-5-hydroxynicotinonitrile (CAS 1805597-66-3)
- E-Pyrifenox (CAS 83227-22-9)
- 2-Iodo-N-(pyridin-4-yl)benzamide (CAS 331434-50-5)
- 2-(3-Chlorophenyl)cyclopropylamine Hydrochloride (CAS 90942-38-4)
- D-Ser39-Tirzepatide (CAS CATO-CPTD788679)
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