5-Chloropyrazolo[1,5-a]pyrimidine

Name: 5-Chloropyrazolo[1,5-a]pyrimidine
Brand: ChemScene
Availability: InStock
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CAS No. 29274-24-6
Cat. No. CS-D1734
Purity≥97%
MDL No.MFCD04035683

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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+

An item is classified as a dangerous good if our website displays Hazardous Material (HazMat) information for it.

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5-Chloropyrazolo[1,5-a]pyrimidine|CS-D1734

Structure of 29274-24-6

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General Information

CAS No. 29274-24-6
Cat. No. CS-D1734
Purity ≥97%
MDL No. MFCD04035683
Storage -20°C, stored under nitrogen
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₆H₄ClN₃
Molecular Weight 153.57
Synonym(s) None
SMILES ClC1=NC2=CC=NN2C=C1

Description

5-Chloropyrazolo[1,5-a]pyrimidine serves as a key heterocyclic scaffold in medicinal chemistry, offering a rigid, electron-deficient core that facilitates targeted interactions in kinase inhibition and DNA-binding applications. This bench-stable compound integrates readily into diverse synthetic routes, enabling efficient access to bioactive analogs through cross-coupling and nucleophilic substitution processes.

Application

5-Chloropyrazolo[1,5-a]pyrimidine serves as a versatile building block in medicinal chemistry, enabling efficient construction of bioactive heterocycles through nucleophilic substitution and cross-coupling reactions. Its chlorine atom at the 5-position offers high reactivity and functional group tolerance, facilitating rapid diversification for drug discovery applications. The scaffold exhibits excellent bench stability and ease of purification, making it well-suited for scalable synthesis and iterative compound library generation.

Safety Information

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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

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Computational Chemistry Data

TPSA 30.19
LogP 1.3827
H_Acceptors 3
H_Donors 0
Rotatable_Bonds 0

Other Classifications

Building Blocks Skeleton Aromatic heterocycle compounds Pyrazole compounds

Building Blocks Skeleton Aromatic heterocycle compounds Pyrimidine compounds

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5-Chloropyrazolo[1,5-a]pyrimidine

CAS No. 29274-24-6

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