Product

L-Aspartic acid 4-tert-butyl ester

CAS No.：3057-74-7

Other grades of this product :

L-Aspartic acid 4-tert-butyl ester Basic information

Product Name:	L-Aspartic acid 4-tert-butyl ester
Synonyms:	L-ASPARTIC ACID 4-TERT-BUTYL ESTER;L-ASPARTIC ACID B-TERT-BUTYL ESTER;L-ASPARTIC ACID BETA-T-BUTYL ESTER MONOHYDRATE;L-ASPARTIC ACID BETA-T-BUTYL ESTER;ASPARTIC ACID BETA T-BUTYL ESTER MONOHYDRATE;ASPARTIC ACID(OTBU);H-ASP(OBUT)-OH;H-ASP(OTBU)-OH
CAS:	3057-74-7
MF:	C8H15NO4
MW:	189.21
EINECS:	221-292-8
Product Categories:	Aspartic acid [Asp, D];Amino Acids and Derivatives;Amino Acids;Amino Acid Derivatives;Aspartic Acid;Peptide Synthesis;Amino Acids Derivatives
Mol File:	3057-74-7.mol

L-Aspartic acid 4-tert-butyl ester Chemical Properties

Melting point	220°C (dec.)
Boiling point	318.7±37.0 °C(Predicted)
density	1.162±0.06 g/cm3(Predicted)
storage temp.	Keep in dark place,Inert atmosphere,Room temperature
solubility	Methanol (Slightly), Water (Slightly, Sonicated)
form	Solid
pka	2.19±0.23(Predicted)
color	White to Off-White
optical activity	[α]20/D 9±2°, c = 2% in methanol: water (4:1)
BRN	4671089
Stability:	Hygroscopic
CAS DataBase Reference	3057-74-7(CAS DataBase Reference)

Safety Information

Risk Statements	36/37/38
Safety Statements	22-24/25-44-35-28-7-4
WGK Germany	3
HS Code	29225090

MSDS Information

Provider	Language
SigmaAldrich	English

L-Aspartic acid 4-tert-butyl ester Usage And Synthesis

Chemical Properties	White powder
Uses	L-Aspartic acid 4-tert-butyl ester is a protected form of L-Aspartic acid (A790024). L-Aspartic acid is a nonessential amino acid that is used to biosynthesize other amino acids within the human body. L-Aspartic acid also increases membrane conductance of mammalian neurons by voltage-dependent means, causing depolarization and nerve impulses that travel to key areas of the central nervous system.

L-Aspartic acid 4-tert-butyl ester Preparation Products And Raw materials

Raw materials	L-Aspartic acid, 4-(1,1-dimethylethyl) 1-(phenylmethyl) ester-->N-Cbz-L-Aspartic acid 4-tert-butyl ester
Preparation Products	L-Aspartic acid

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