5-Chloropyrazolo[1,5-a]pyrimidine-3-carboxylic acid

Name: 5-Chloropyrazolo[1,5-a]pyrimidine-3-carboxylic acid
Brand: ChemScene
Availability: InStock
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CAS No. 1315364-91-0
Cat. No. CS-0050511
Purity≥98%
MDL No.None

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Type	HazMat Fee
Excepted Quantity	$0.00
FedEx Limited Quantities Ground	$0.00
Hazmat Ground shipping	$50.00+
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Accessible (Haz class 3, 4, 5 or 8), Domestic	$158.00+
Inaccessible (Haz class 6.1 or 9), International	$108.00+
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5-Chloropyrazolo[1,5-a]pyrimidine-3-carboxylic acid|CS-0050511

Structure of 1315364-91-0

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General Information

CAS No. 1315364-91-0
Cat. No. CS-0050511
Purity ≥98%
MDL No. None
Storage 4°C, stored under nitrogen
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₇H₄ClN₃O₂
Molecular Weight 197.58
Synonym(s) None
SMILES OC(=O)C1=C2N=C(Cl)C=CN2N=C1

Description

5-Chloropyrazolo[1,5-a]pyrimidine-3-carboxylic acid delivers a rigid, electron-deficient heterocyclic scaffold ideal for medicinal chemistry applications. This compound integrates a chlorinated pyrazolopyrimidine core with a carboxylic acid handle, enabling direct conjugation or derivatization in target-oriented synthesis. The structure supports hydrogen bonding and π-stacking interactions, enhancing binding affinity in kinase inhibitor design.

Application

5-Chloropyrazolo[1,5-a]pyrimidine-3-carboxylic acid serves as a versatile heterocyclic building block for medicinal chemistry and materials science. Its ortho-chloro and carboxylic acid functionalities enable direct derivatization via amide coupling, Suzuki-Miyaura cross-coupling, or nucleophilic substitution. The scaffold exhibits bench stability and facilitates purification by recrystallization, making it well-suited for high-throughput synthesis of kinase inhibitors and other bioactive compounds.

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-H315-H319-H335
Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501

Quality Control

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Computational Chemistry Data

TPSA 67.49
LogP 1.0809
H_Acceptors 4
H_Donors 1
Rotatable_Bonds 1

Other Classifications

Building Blocks Functional Group Carboxylic Acid

Building Blocks Skeleton Aromatic heterocycle compounds Pyrazole compounds

Building Blocks Skeleton Aromatic heterocycle compounds Pyrimidine compounds

Key Words

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5-Chloropyrazolo[1,5-a]pyrimidine-3-carboxylic acid

CAS No. 1315364-91-0

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