![N-[(tert-Butoxy)carbonyl]-L-tryptophan Structure](https://www.chemicalbook.com/CAS/GIF/13139-14-5.gif)
N-[(tert-Butoxy)carbonyl]-L-tryptophan
- Product NameN-[(tert-Butoxy)carbonyl]-L-tryptophan
- CAS13139-14-5
- CBNumberCB2237686
- MFC16H20N2O4
- MW304.34
- EINECS236-072-7
- MDL NumberMFCD00065595
- MOL File13139-14-5.mol
- MSDS FileSDS
Chemical Properties
| Melting point | 136 °C (dec.)(lit.) |
| Boiling point | 445.17°C (rough estimate) |
| alpha | -20 º (c=1, methanol) |
| Density | 1.1328 (rough estimate) |
| refractive index | -17.5 ° (C=2, DMF) |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| solubility | Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc. |
| pka | 4.00±0.10(Predicted) |
| form | Powder |
| color | White to off-white |
| optical activity | [α]20/D 20±1°, c = 1% in DMF |
| BRN | 39677 |
| CAS DataBase Reference | 13139-14-5(CAS DataBase Reference) |
| EPA Substance Registry System | L-Tryptophan, N-[(1,1-dimethylethoxy)carbonyl]- (13139-14-5) |
| UNSPSC Code | 12352209 |
| NACRES | NA.22 |
Safety
| Symbol(GHS) |
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| Signal word | Warning | |||||||||
| Hazard statements | H302-H315-H319-H335 | |||||||||
| Precautionary statements | P261-P301+P312-P302+P352-P304+P340-P305+P351+P338 | |||||||||
| Hazard Codes | Xn | |||||||||
| Risk Statements | 20/21/22-36/37/38 | |||||||||
| Safety Statements | 22-24/25-36-26 | |||||||||
| WGK Germany | 3 | |||||||||
| TSCA | TSCA listed | |||||||||
| HazardClass | IRRITANT | |||||||||
| HS Code | 29339900 | |||||||||
| NFPA 704: |
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