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 |
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). |
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 |
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. |