Lot numbers can be found on the outside label of a product:
Pratraxa impurity 4
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CAS No. 34956-29-1
- Cat. No. CS-W021392
- Purity≥97%
- MDL No.MFCD20638515
*For research and further manufacturing use only, not for direct human use.
Structure of 34956-29-1
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General Information
- CAS No. 34956-29-1
- Cat. No. CS-W021392
- Purity ≥97%
- MDL No. MFCD20638515
- Storage 4°C, stored under nitrogen
- Shipping Room temperature in continental US; may vary elsewhere.
- Molecular Formula C₉H₈O₃
- Molecular Weight 164.16
- Synonym(s) None
- SMILES O=C(O)CC1=CC=CC(C=O)=C1
Description
This 2-(3-formylphenyl)acetic acid features a benzene ring bearing both aldehyde and carboxylic acid functionalities in a meta relationship, enabling dual reactivity for conjugation or cyclization. The ortho-acid group enhances electrophilicity at the formyl carbon, facilitating nucleophilic addition under mild conditions. Bench-stable and moisture-tolerant, this compound serves as a key building block for bioconjugates, heterocyclic synthesis, and functionalized materials.
Application
2-(3-Formylphenyl)acetic acid serves as a versatile bifunctional building block for the synthesis of heterocyclic scaffolds and bioactive molecules. The ortho-formyl and acetic acid groups enable sequential transformations, including condensation reactions, cyclizations, and derivatization under mild conditions. Its bench-stable nature and compatibility with common functional group manipulations make it well-suited for medicinal chemistry and process development workflows.
Synthesis
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Route1
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In-stock
621-36-3 -
96042-30-7 - ~63%
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In-stock
34956-29-1
References
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CHIESI FARMACEUTICI S.p.A; ARMANI, Elisabetta; Amari, Gabriele; Riccaboni, Mauro; Baker-Glenn, Charles Patent: US2014/155428 A1, 2014 ; Location in patent: Page/Page column ;
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Route2
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In-stock
142327-44-4 - ~%
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In-stock
34956-29-1
References
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CHEMOCENTRYX, INC. Patent: WO2007/51062 A2, 2007 ; Location in patent: Page/Page column 143-144 ; WO 2007/051062 A2
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Route3
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In-stock
1878-69-9 - ~%
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In-stock
34956-29-1
References
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Smith, Keith; Morris, Ian K.; Bass, Robert J. Heterocycles, 1994 , vol. 37, # 3 p. 1865 - 1872
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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 54.37
- LogP 1.1262
- H_Acceptors 2
- H_Donors 1
- Rotatable_Bonds 3
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