4-Chlorothieno[3,2-d]pyrimidine

Name: 4-Chlorothieno[3,2-d]pyrimidine
Brand: ChemScene
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CAS No. 16269-66-2
Cat. No. CS-W002385
Purity≥97%
MDL No.MFCD00122144

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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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4-Chlorothieno[3,2-d]pyrimidine|CS-W002385

Structure of 16269-66-2

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General Information

CAS No. 16269-66-2
Cat. No. CS-W002385
Purity ≥97%
MDL No. MFCD00122144
Storage -20°C, stored under nitrogen
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₆H₃ClN₂S
Molecular Weight 170.62
Synonym(s) 4-Chlorothieno[3,2-d] pyrimidine
SMILES Clc1ncnc2c1scc2

Description

4-Chlorothieno[3,2-d]pyrimidine serves as a critical heterocyclic scaffold in medicinal chemistry, featuring a fused thienopyrimidine core with a chlorine substituent at the 4-position. This electron-deficient system enables direct incorporation into kinase inhibitors and other bioactive molecules through cross-coupling reactions. The compound exhibits high stability under standard conditions and facilitates efficient derivatization for targeted drug discovery applications.

Application

4-Chlorothieno[3,2-d]pyrimidine serves as a versatile building block for the synthesis of heterocyclic compounds, particularly in medicinal chemistry and agrochemical research. Its chloro substituent enables facile palladium-catalyzed cross-coupling reactions, while the fused thienopyrimidine core provides structural rigidity and enhanced electronic properties. The compound exhibits good bench stability and compatibility with common functional groups, facilitating efficient derivatization in multi-step synthetic sequences.

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

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Computational Chemistry Data

TPSA 25.78
LogP 2.3447
H_Acceptors 3
H_Donors 0
Rotatable_Bonds 0

Other Classifications

Building Blocks Skeleton Aromatic heterocycle compounds Pyrimidine compounds

Building Blocks Skeleton Aromatic heterocycle compounds Thiophene compounds

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4-Chlorothieno[3,2-d]pyrimidine

CAS No. 16269-66-2

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