2-Bromo-N-[N-[(1,1-dimethylethoxy)carbonyl]-L-alanyl]-N-methyl-D-tryptophan Methyl Ester CAS 134781-89-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 134781-89-8 |
| Molecular Formula | C21H28BrN3O5 |
| Molecular Weight | 482.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 2-Bromo-N-[N-[(1,1-dimethylethoxy)carbonyl]-L-alanyl]-N-methyl-D-tryptophan Methyl Ester (CAS 134781-89-8) pharmaceutical standards reference standard. Molecular formula: C21H28BrN3O5. Molecular weight: 482.37 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C21H28BrN3O5 |
| Molecular Weight | 482.37 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |
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Recommended Standards
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- 1-(3-Bromo-2-methylpropyl)piperidine (CAS 1478896-47-7)
- 2-Amino-2-(3-chloro-4,5-dimethoxyphenyl)acetic acid hydrochloride (CAS 1137087-15-0)
- [3-(4-ethoxyphenyl)-5-mercapto-4H-1,2,4-triazol-4-yl]acetic acid (CAS 847783-65-7)
- Funapide (CAS 1259933-16-8)
- 2,6-Dichloro-3-methoxyaniline (CAS 55285-43-3)
- 2-chloro-N-methyl-N-(propan-2-yl)propanamide (CAS 953749-54-7)
- Tirzepatide Impurity 24 X TFA Salt (CAS CATO-C4X-324024)
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