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Fmoc-L-Aspartic Acid Β-Tert-Butyl Ester

Fmoc-L-Aspartic Acid β-Tert-Butyl Ester / CAS : 71989-14-5

Appearance White to pale yellow crystalline powder UN 0
HS 29242100 DG Class 0
Synonyms Fmoc-L-Asparticacidbeta-Tert-Butylester; Fmoc-L-Aspartic Acid 4-Tert-Butyl Ester; Fmoc-Asp(Otbu)-Oh; 9-Fluorenyl-Methoxycarbonyl-L-Asp-Tert-Butyl Ester; Fmoc-(Tbu)Asp-Oh
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Properties

Summary

Formula
C23H25NO6
Molecular Mass
411.44800
Exact Mass
411.16800
PSA
101.93000
Logp
4.10100
IUPAC
(2S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-4-[(2-methylpropan-2-yl)oxy]-4-oxobutanoic acid
SMILES
CC(C)(C)OC(=O)CC(C(=O)O)NC(=O)OCC1C2=CC=CC=C2C3=CC=CC=C13

Attribute classification

Matter Classification
organic
Category
Food(Feed) Additives > Feed Additive
Auxiliary > Other Auxiliary Agent

Chemical and Physical Properties

Melting Point
148-150 °C (dec.)
Density
1.251 g/cm3
Boiling Point
620.8ºC at 760 mmHg
Flash Point
329.3ºC
Appearance
White to pale yellow crystalline powder

Export information

HS Code
29242100
Export Rebate
13%
UN No.
0
DG-Class
0
Risk Code
R36/37/38
Safety Label
Xi

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