4,5-Methylenephenanthrene CAS 203-64-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 203-64-5 |
| Molecular Formula | C15H10 |
| Molecular Weight | 190.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,5-Methylenephenanthrene (CAS 203-64-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C15H10. Molecular weight: 190.24 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C15H10 |
| Molecular Weight | 190.24 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | 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.) | 1957 |
Recommended Standards
- 4,5,7-Trimethyl-2,3-dihydrobenzofuran-6-carbaldehyde (CAS 89240-18-6)
- 4,6,7-Trimethyl-2,3-dihydrobenzofuran-5-carbaldehyde (CAS 89240-22-2)
- 4,5,6-Trimethyl-2,3-dihydrobenzofuran-7-carbaldehyde (CAS 89240-13-1)
- 7-Chloro-8-(trimethylsilyl)-2,3-dihydro-[1,4]dioxino[2,3-b]pyridine (CAS 1305324-58-6)
- DAPI, dilactate, 90% (CAS 28718-91-4)
- MOPS half sodium salt (CAS 117961-20-3)
- Tert-butyl 3-(2,3-difluorophenyl)piperazine-1-carboxylate (CAS 886768-49-6)
- Imatinib Mesilate EP Impurity H (CAS 350-03-8)
- 1-(2-Chloro-4-hydroxy-7,8-dimethylquinolin-3-yl)ethanone (CAS 79074-98-9)
- Semaglutide impurity 104(Fmoc-D-His-Aib) (CAS 2171211-18-8)
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