Lot numbers can be found on the outside label of a product:
L-Asparagine
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CAS No. 70-47-3
- Cat. No. CS-0009702
- Purity≥98%
- MDL No.MFCD00064401
*For research and further manufacturing use only, not for direct human use.
Structure of 70-47-3
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General Information
- CAS No. 70-47-3
- Cat. No. CS-0009702
- Purity ≥98%
- MDL No. MFCD00064401
- Storage 4°C
- Shipping Room temperature in continental US; may vary elsewhere.
- Molecular Formula C₄H₈N₂O₃
- Molecular Weight 132.12
- Synonym(s) (-)-Asparagine; Asn; Asparamide
- SMILES N[C@H](C(O)=O)CC(N)=O
Description
L-Asparagine is a polar, neutral amino acid featuring a carboxamide side chain that enhances solubility and hydrogen-bonding capacity. This structural motif supports its role in protein folding stability and serves as a key nitrogen donor in biosynthetic pathways. The molecule exhibits bench-stable behavior under standard conditions, enabling reliable use in cell culture media and peptide synthesis workflows.
Application
L-Asparagine serves as a key building block in peptide synthesis and protein engineering, offering reliable side-chain amide functionality for site-specific conjugation and structural stabilization. Its bench-stable nature and compatibility with standard coupling protocols facilitate efficient incorporation into synthetic peptides and bioconjugates. Functions as a critical residue in the construction of biologically active scaffolds and glycoprotein analogs.
Synthesis
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Route1
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In-stock
71989-16-7 - ~90%
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In-stock
70-47-3
References
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Chen, Chun-Chi; Rajagopal, Basker; Liu, Xuan Yu; Chen, Kuan Lin; Tyan, Yu-Chang; Lin, Fui; Lin, Po-Chiao Amino Acids, 2014 , vol. 46, # 2 p. 367 - 374
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Route2
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In-stock
16856-13-6 - ~77%
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In-stock
70-47-3
References
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Gani, David; Young, Douglas W.; Carr, David M.; Poyser, J. Philip; Sadler, Ian H. Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1983 , # 11 p. 2811 - 2814
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Route3
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97347-33-6 - ~75%
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In-stock
70-47-3
References
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Yoshifuji, Shigeyuki; Tanaka, Ken-ichi; Nitta, Yoshihiro Chemical & Pharmaceutical Bulletin, 1987 , vol. 35, # 7 p. 2994 - 3001
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Safety Information
Download SDS|
GHS Pictogram :
N/A
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GHS No : N/A
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Signal Word : N/A
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UN#: N/A
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Class : N/A
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Packing Group : N/A
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Hazard Statements : N/A
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Precautionary Statements : N/A
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Quality Control
Computational Chemistry Data
- TPSA 106.41
- LogP -1.7263
- H_Acceptors 3
- H_Donors 3
- Rotatable_Bonds 3
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