H-Trp-Obzl.TosOH CAS 4289-01-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4289-01-4 |
| Molecular Formula | C18H18N2O2 C7H8O3S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies H-Trp-Obzl.TosOH (CAS 4289-01-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C18H18N2O2 C7H8O3S. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C18H18N2O2 C7H8O3S |
| Molecular Weight | 466.55 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Recommended Standards
- 2-(2,4-Dichlorophenyl)propanoic acid (CAS 25173-21-1)
- 2-Hexyloxy-benzamidine; hydrochloride (CAS 57075-85-1)
- (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-(2-(trifluoromethoxy)phenyl)acetic acid (CAS 1260609-20-8)
- 3-((4-Ethyl-2-methyl-6-oxopyrimidin-1(6H)-yl)methyl)benzoic acid (CAS 1710834-00-6)
- 4-Nitro-1-{[2-(trifluoromethyl)phenyl]methyl}-1h-pyrazole (CAS 1006526-27-7)
- β,γ-Methyleneguanosine 5′-triphosphate sodium salt (CAS 10470-57-2)
- Semaglutide impurity 96 (CAS CATO-C4X-222696)
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