Nα-Boc-L-tryptophan
N-[(tert-butoxy)carbonyl]-L-tryptophan
CAS: 13139-14-5
Molecular Formula: C16H20N2O4
Nα-Boc-L-tryptophan - Names and Identifiers
| Name | N-[(tert-butoxy)carbonyl]-L-tryptophan |
| Synonyms | Boc-Trp-OH Boc-L-tryptophan Nα-Boc-L-tryptophan tert-butyloxycarbonyltryptophan N-(tert-butoxycarbonyl)tryptophan N-(tert-butoxycarbonyl)-D-tryptophan Nα-(tert-Butoxycarbonyl)-L-tryptophan n(à)-tert-butoxycarbonyl-l-tryptophan N-[(tert-butoxy)carbonyl]-L-tryptophan N-ALPHA-T-BUTYLOXYCARBONYL-L-TRYPTOPHANE N-alpha-Tert-butoxycarbonyl-L-tryptophane n-[(1,1-dimethylethoxy)carbonyl]-l-tryptopha (2S)-2-[(tert-butoxycarbonyl)amino]-3-(1H-indol-3-yl)propanoate |
| CAS | 13139-14-5 |
| EINECS | 236-072-7 |
| InChI | InChI=1/C16H20N2O4/c1-16(2,3)22-15(21)18-13(14(19)20)8-10-9-17-12-7-5-4-6-11(10)12/h4-7,9,13,17H,8H2,1-3H3,(H,18,21)(H,19,20)/p-1/t13-/m0/s1 |
Nα-Boc-L-tryptophan - Physico-chemical Properties
| Molecular Formula | C16H20N2O4 |
| Molar Mass | 304.34 |
| Density | 1.1328 (rough estimate) |
| Melting Point | 136°C (dec.)(lit.) |
| Boling Point | 445.17°C (rough estimate) |
| Specific Rotation(α) | -20 º (c=1, methanol) |
| Flash Point | 277.8°C |
| Vapor Presure | 2.63E-12mmHg at 25°C |
| Appearance | White crystal |
| Color | White to off-white |
| BRN | 39677 |
| pKa | 4.00±0.10(Predicted) |
| Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
| Refractive Index | -17.5 ° (C=2, DMF) |
| MDL | MFCD00065595 |
| Physical and Chemical Properties | White Flake crystal; Soluble in ethyl acetate and ether, insoluble in petroleum ether; mp is 135-137 ° C.; Specific optical rotation [α]20D-18.3 °(0.5-2.0 mg/ml,DMF). |
Nα-Boc-L-tryptophan - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. S36 - Wear suitable protective clothing. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 29339900 |
| Hazard Class | IRRITANT |
Nα-Boc-L-tryptophan - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| Use | Used for polypeptide synthesis and as an amino acid protective monomer. Used for biochemical reagents and peptide synthesis. |
| production method | L-tryptophan and tert-butoxycarbonyl azide are used as raw materials for acylation reaction, and then the product is obtained by ether extraction, 5% sodium chloride washing and petroleum ether recrystallization. |
Last Update：2024-04-09 21:04:16
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