2-Amino-3,4-dichlorobenzoic acid

Name: 2-Amino-3,4-dichlorobenzoic acid
Brand: ChemScene
Availability: InStock
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CAS No. 20776-62-9
Cat. No. CS-0157197
Purity≥97%
MDL No.MFCD00078315

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Type	HazMat Fee
Excepted Quantity	$0.00
FedEx Limited Quantities Ground	$0.00
Hazmat Ground shipping	$50.00+
Inaccessible (Haz class 6.1 or 9), Domestic	$68.00+
Accessible (Haz class 3, 4, 5 or 8), Domestic	$158.00+
Inaccessible (Haz class 6.1 or 9), International	$108.00+
Accessible (Haz class 3, 4, 5 or 8), International	$238.00+

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2-Amino-3,4-dichlorobenzoic acid|CS-0157197

Structure of 20776-62-9

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General Information

CAS No. 20776-62-9
Cat. No. CS-0157197
Purity ≥97%
MDL No. MFCD00078315
Storage 4°C, protect from light
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₇H₅Cl₂NO₂
Molecular Weight 206.03
Synonym(s) 2-Amino-3,4-dichlorobenzoicacid
SMILES C1=CC(=C(C(=C1C(=O)O)N)Cl)Cl

Application

2-Amino-3,4-dichlorobenzoic acid serves as a versatile building block in medicinal chemistry and agrochemical synthesis, enabling the construction of bioactive heterocycles via standard coupling and cyclization protocols. Its dual functionality—amino and carboxylic acid groups—supports diverse derivatization, including amide formation and metal-catalyzed cross-couplings. The molecule exhibits good bench stability and facilitates straightforward purification, making it well-suited for iterative synthesis campaigns in industrial R&D settings.

Synthesis

Route1
- 18711-12-1
- ~%
- In-stock
  
  20776-62-9
References
- Rewcastle, Gordon W.; Atwell, Graham J.; Zhuang, Li; Baguley, Bruce C.; Denny, William A. Journal of Medicinal Chemistry, 1991 , vol. 34, # 1 p. 217 - 222
Route2
- 18711-08-5
- ~%
- In-stock
  
  20776-62-9
References
- Sadler; Warren Journal of the American Chemical Society, 1956 , vol. 78, p. 1251,1254
Route3
- 608-27-5
- ~%
- In-stock
  
  20776-62-9
References
- Sadler; Warren Journal of the American Chemical Society, 1956 , vol. 78, p. 1251,1254

Safety Information

Download SDS

GHS Pictogram :	GHS No : GHS07
Signal Word : Warning	UN#: N/A
Class : N/A	Packing Group : N/A
Hazard Statements : H302
Precautionary Statements : P264-P270-P330-P501

Quality Control

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Computational Chemistry Data

TPSA 63.32
LogP 2.2738
H_Acceptors 2
H_Donors 2
Rotatable_Bonds 1

Other Classifications

Building Blocks Functional Group Chloride

Building Blocks Functional Group Carboxylic Acid

Building Blocks Skeleton Aromatic ring compounds Benzene compounds

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2-Amino-3,4-dichlorobenzoic acid

CAS No. 20776-62-9

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