L-Aspartic acid 4-benzyl ester, 98%

Catalog No. AAL0895614

Supplier: Thermo Scientific Chemicals L0895614

Description

CAS: 2177-63-1 | C11H13NO4 | 223.228 g/mol

L-Aspartic acid β-benzyl ester is used in the synthesis of peptides with a 1,4-diazepine-2,5-dione ring structure and in development of block copolymers.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
L-Aspartic acid β-benzyl ester is used in the synthesis of peptides with a 1,4-diazepine-2,5-dione ring structure and in development of block copolymers.

Solubility
Insoluble in water.

Notes
Store in cool. Keep container tightly closed in a dry and well-ventilated place. Store away from oxidizing agent.

Specifications

Chemical Identifiers

• CAS: 2177-63-1
• Molecular Formula: C11H13NO4
• Molecular Weight (g/mol): 223.228
• MDL Number: MFCD00037208
• InChI Key: VGALFAWDSNRXJK-VIFPVBQESA-N
• Synonym: h-asp obzl-oh, l-aspartic acid 4-benzyl ester, l-aspartic acid beta-benzyl ester, beta-benzyl l-aspartate, 2s-2-amino-4-benzyloxy-4-oxobutanoic acid, 4-benzyl l-aspartate, benzyl hydrogen beta-l-aspartate, s-2-amino-4-benzyloxy-4-oxobutanoic acid, 2s-2-amino-4-oxo-4-phenylmethoxybutanoic acid, asp obzl
• PubChem CID: 101186
• IUPAC Name: (2S)-2-amino-4-oxo-4-phenylmethoxybutanoic acid
• SMILES: C1=CC=C(C=C1)COC(=O)CC(C(=O)O)N

• Melting Point: ∽220°C (decomposition)
• Beilstein: 1983183
• Solubility Information: Insoluble in water.
• Quantity: 25 g
• Formula Weight: 223.23
• Optical Rotation: +27.5° (c=1 in 1N HCl)
• Percent Purity: 98%
• Chemical Name or Material: L-Aspartic acid 4-benzyl ester

Safety and Handling

EINECSNumber	218-541-8
TSCA	No
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only