4,5-Methanochrysene CAS 202-98-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 202-98-2 |
| Molecular Formula | C19H12 |
| Molecular Weight | 240.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 4,5-Methanochrysene (CAS 202-98-2) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C19H12. Molecular weight: 240.30 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C19H12 |
| Molecular Weight | 240.30 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Recommended Standards
- 4,4-Dimethoxystilbene (CAS 4705-34-4)
- 4-(Benzyloxy)propiophenone (CAS 4495-66-3)
- 4,4,10,10-Tetramethyl-1,3,7,9-tetraazaspiro[5.5]Undecane-2,8-dione (CAS 4115-66-6)
- 2-(3-Aminoazetidin-1-yl)-N-cyclopentylacetamide (CAS 1343813-91-1)
- n-(Pyrimidin-2-ylmethyl)ethanamine (CAS 1199780-89-6)
- 2-Amino-5-bromo-4-pyridinecarboxylic acid ethyl ester (CAS 1214374-01-2)
- 1-Amino-3-(4-chlorophenyl)propan-2-one hydrochloride (CAS 93102-99-9)
- MRS 2693 Trisodium Salt (CAS 1448858-83-0)
- 3-Chloro-N,N-diphenylaniline (CAS 106336-13-4)
- Insulin Degludec Impurity 12 (CAS CATO-C4X-215712)
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