Lot numbers can be found on the outside label of a product:
4-(2-((tert-Butoxycarbonyl)amino)ethyl)benzoic acid
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CAS No. 132690-91-6
- Cat. No. CS-W019934
- Purity≥95%
- MDL No.MFCD07371516
*For research and further manufacturing use only, not for direct human use.
Structure of 132690-91-6
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General Information
- CAS No. 132690-91-6
- Cat. No. CS-W019934
- Purity ≥95%
- MDL No. MFCD07371516
- Storage Store at room temperature
- Shipping Room temperature in continental US; may vary elsewhere.
- Molecular Formula C₁₄H₁₉NO₄
- Molecular Weight 265.31
- Synonym(s) None
- SMILES O=C(O)C1=CC=C(C=C1)CCNC(=O)OC(C)(C)C
Description
4-(2-((tert-Butoxycarbonyl)amino)ethyl)benzoic acid features a para-substituted benzoic acid core linked via an ethyl spacer to a tert-butoxycarbonyl-protected amine. This bifunctional architecture enables straightforward incorporation into peptide conjugation strategies, where the carboxylic acid facilitates coupling reactions and the protected amine allows for subsequent deprotection and functionalization under mild conditions. The tert-butyl group ensures stability during handling and storage.
Application
4-(2-((tert-Butoxycarbonyl)amino)ethyl)benzoic acid serves as a versatile building block for peptide and heterocyclic synthesis, enabling efficient introduction of both carboxylic acid and protected amine functionalities in a single scaffold. The tert-butyl ester group offers excellent bench stability and orthogonal deprotection under mild acidic conditions, while the benzoic acid moiety facilitates coupling reactions via standard amide or ester formation protocols. This compound functions reliably in multi-step syntheses requiring controlled functional group handling and purification compatibility.
Synthesis
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Route1
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In-stock
24424-99-5 -
1199-69-5 - ~16%
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In-stock
132690-91-6
References
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THE WALTER AND ELIZA HALL INSTITUTE OF MEDICAL RESEARCH; LUDWIG INSTITUTE FOR CANCER RESEARCH LIMITED; LESSENE, Guillaume Laurent; BAELL, Jonathan Bayldon; BURGESS, Antony Wilks; MARUTA, Hiroshi Patent: WO2012/3544 A1, 2012 ; Location in patent: Page/Page column 55 ; WO 2012/003544 A1
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Route2
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177736-04-8 - ~89%
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In-stock
132690-91-6
References
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LABORATORIOS MENARINI S.A. Patent: EP775133 B1, 2001 ;
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Route3
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124-38-9
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In-stock
![tert-Butyl N-[2-(4-bromophenyl)ethyl]carbamate|CS-0021342](https://file.chemscene.com/productPIC/CS-0021342.gif)
120157-97-3 - ~%
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In-stock
132690-91-6
References
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US6339087 B1, ; Page column 65 ; US 6339087 B1
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Safety Information
Download SDS|
GHS Pictogram :
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GHS No : GHS07
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Signal Word : Warning
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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 : H302-H315-H319-H335
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Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501
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Quality Control
Computational Chemistry Data
- TPSA 75.63
- LogP 2.452
- H_Acceptors 3
- H_Donors 2
- Rotatable_Bonds 4
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Key Words
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