N-Carbobenzoxy-L-tryptophanamide CAS 20696-64-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 20696-64-4 |
| Molecular Formula | C19H19N3O3 |
| Molecular Weight | 337.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies N-Carbobenzoxy-L-tryptophanamide (CAS 20696-64-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C19H19N3O3. Molecular weight: 337.37 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C19H19N3O3 |
| Molecular Weight | 337.37 g/mol |
| Appearance | Pale yellow to 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 3 |
Related N Standards
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- N-Carbobenzoxy-L-glutamine (CAS 2650-64-8)
- N-Carbobenzoxy-DL-norleucine (CAS 15027-13-1)
Recommended Standards
- N-Benzyl-N-(2-hydroxyethyl)-2-(4-oxo-3,4-dihydrophthalazin-1-yl)acetamide (CAS 919720-65-3)
- tert-Butyl 4-(2-(hydroxymethyl)-4-nitrophenyl)piperazine-1-carboxylate (CAS 955369-05-8)
- N-(7-oxo-6,7-dihydro-5H-indeno[5,6-d][1,3]dioxol-5-yl)thiophene-2-sulfonamide (CAS 861209-48-5)
- ((Dibutylstannanediyl)bis(sulfanediyl))bis(ethane-2,1-diyl) bis(3,5,5-trimethylhexanoate) (CAS 67859-59-0)
- 1-ethyl-4-pyrrolidin-2-yl-1H-pyrazole (CAS 1171607-85-4)
- 2-Hydroxy-6-methoxyquinoline-3-carbaldehyde (CAS 123990-78-3)
- 4-(2-Methoxyacetyl)-1,4-oxazepane-6-carboxylic acid (CAS 1316227-18-5)
- 6-(5,5-Dimethyl-1,3,2-dioxaborinan-2-yl)naphthalen-2-ol (CAS 2096994-99-7)
- Dimethyl Bromofumarate (CAS 2509-16-2)
- (Des-Bromo)-Neuropeptide B (1-23) (human) (CAS 434897-64-0)
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