9057-91-4
KL 3
Poly(oxy(methyl-1,2-ethanediyl)), alpha-hydro-omega-hydroxy-, polymer with 1,3-diisocyanatomethylbenzene
Poly(oxy(methyl-2-ethane)), toluene diisocyanate polymer
Poly(oxy(methyl-1,2-ethanediyl)), alpha-hydro-omega-hydroxy-, 1,3-diisocyanatomethylbenzene polymer
Polypropylene glycol, toluene diisocyanate polymer
Polypropylene glycol, toluenediisocyanate polymer
Polypropyleneoxydiols, toluenediisocyanate polymer
Toluene diisocyanate, polypropylene glycol polymer
Toluene diisocyanate, polypropylene glycol resin CAS 9057-91-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 9057-91-4 |
| Molecular Formula | C9H12N2O2 C3H8O2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
High-purity 9057-91-4
KL 3
Poly(oxy(methyl-1,2-ethanediyl)), alpha-hydro-omega-hydroxy-, polymer with 1,3-diisocyanatomethylbenzene
Poly(oxy(methyl-2-ethane)), toluene diisocyanate polymer
Poly(oxy(methyl-1,2-ethanediyl)), alpha-hydro-omega-hydroxy-, 1,3-diisocyanatomethylbenzene polymer
Polypropylene glycol, toluene diisocyanate polymer
Polypropylene glycol, toluenediisocyanate polymer
Polypropyleneoxydiols, toluenediisocyanate polymer
Toluene diisocyanate, polypropylene glycol polymer
Toluene diisocyanate, polypropylene glycol resin (CAS 9057-91-4) pharmaceutical standards reference standard. Molecular formula: C9H12N2O2 C3H8O2. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C9H12N2O2 C3H8O2 |
| Molecular Weight | 256.30 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1959 |
| Nitrogen Atoms | 2 |
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