Lot numbers can be found on the outside label of a product:
7-Chloro-1H-indole-2-carboxylic acid
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CAS No. 28899-75-4
- Cat. No. CS-0119394
- Purity≥97%
- MDL No.None
*For research and further manufacturing use only, not for direct human use.
Structure of 28899-75-4
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General Information
- CAS No. 28899-75-4
- Cat. No. CS-0119394
- Purity ≥97%
- MDL No. None
- Storage Store at room temperature
- Shipping Room temperature in continental US; may vary elsewhere.
- Molecular Formula C₉H₆ClNO₂
- Molecular Weight 195.60
- Synonym(s) carboxylic acid, 7-
- SMILES O=C(C(N1)=CC2=C1C(Cl)=CC=C2)O
Description
7-Chloro-1H-indole-2-carboxylic acid is a bench-stable, electron-deficient heterocyclic building block featuring a chlorine substituent at the 7-position and a carboxylic acid group at C2. This combination enables direct incorporation into pharmaceutical intermediates, enabling efficient access to bioactive indole derivatives through coupling and cyclization reactions.
Application
7-Chloro-1H-indole-2-carboxylic acid serves as a versatile building block in medicinal chemistry, enabling direct incorporation into biologically active indole scaffolds. Its carboxylic acid functionality facilitates amide bond formation, esterification, and coupling reactions with amines or alcohols under standard conditions. The 7-chloro substituent enhances electrophilic reactivity and provides a handle for further functionalization via cross-coupling or nucleophilic substitution. Bench-stable and readily purified by recrystallization, it functions reliably in multi-step syntheses of heterocyclic compounds and API intermediates.
Synthesis
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Route1
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In-stock
43142-64-9 - ~99%
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In-stock
28899-75-4
References
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Jablonowski, Jill A.; Grice, Cheryl A.; Chai, Wenying; Dvorak, Curt A.; Venable, Jennifer D.; Kwok, Annette K.; Ly, Kiev S.; Wei, Jianmei; Baker, Sherry M.; Desai, Pragnya J.; Jiang, Wen; Wilson, Sandy J.; Thurmond, Robin L.; Karlsson, Lars; Edwards, James P.; Lovenberg, Timothy W.; Carruthers, Nicholas I. Journal of Medicinal Chemistry, 2003 , vol. 46, # 19 p. 3957 - 3960
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Route2
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77158-85-1 - ~%
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In-stock
28899-75-4
References
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Singer; Shive Journal of the American Chemical Society, 1955 , vol. 77, p. 5700
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Route3
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43142-70-7
- ~%
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In-stock
28899-75-4
References
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Rydon; Tweddle Journal of the Chemical Society, 1955 , p. 3499,3502
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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 53.09
- LogP 2.5195
- H_Acceptors 1
- H_Donors 2
- Rotatable_Bonds 1
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Key Words
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