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N-[(tert-Butoxy)carbonyl]-L-tryptophan Structure

N-[(tert-Butoxy)carbonyl]-L-tryptophan

Chemical Properties

Melting point 136 °C (dec.)(lit.)
alpha  -20 º (c=1, methanol)
Boiling point 445.17°C (rough estimate)
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.
form  Powder
pka 4.00±0.10(Predicted)
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)

Safety

Hazard Codes  Xn
Risk Statements  20/21/22-36/37/38
Safety Statements  22-24/25-36-26
WGK Germany  3
TSCA  Yes
HazardClass  IRRITANT
HS Code  29339900
NFPA 704:
0
0 0

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