4-Chloro-6-iodothieno[2,3-d]pyrimidine

Name: 4-Chloro-6-iodothieno[2,3-d]pyrimidine
Brand: ChemScene
Availability: InStock
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CAS No. 552295-08-6
Cat. No. CS-W000109
Purity≥98%
MDL No.MFCD09746333

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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-Chloro-6-iodothieno[2,3-d]pyrimidine|CS-W000109

Structure of 552295-08-6

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General Information

CAS No. 552295-08-6
Cat. No. CS-W000109
Purity ≥98%
MDL No. MFCD09746333
Storage -20°C, sealed storage, away from moisture and light
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₆H₂ClIN₂S
Molecular Weight 296.52
Synonym(s) 4-CHLORO-6-IODO-THIENO[2,3-D]PYRIMIDINE
SMILES ClC1=C(C2=NC=N1)C=C(S2)I

Description

4-Chloro-6-iodothieno[2,3-d]pyrimidine features a fused thienopyrimidine core with orthogonal halogen substituents enabling selective cross-coupling. The chlorine and iodine positions facilitate sequential functionalization in transition-metal-catalyzed reactions, offering precise control over molecular architecture. This scaffold delivers high reactivity under standard conditions while maintaining bench stability.

Application

4-Chloro-6-iodothieno[2,3-d]pyrimidine serves as a versatile building block for constructing bioactive heterocycles, enabling palladium-catalyzed cross-coupling reactions with high efficiency. The molecule’s complementary halogen functionality—chlorine at C4 and iodine at C6—facilitates sequential functionalization, while its thienopyrimidine core provides structural rigidity and favorable electronic properties for medicinal chemistry applications. Bench-stable and readily purified by crystallization, it is well-suited for scalable synthesis of kinase inhibitors and other pharmaceutical scaffolds.

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 25.78
LogP 2.9493
H_Acceptors 3
H_Donors 0
Rotatable_Bonds 0

Other Classifications

Building Blocks Functional Group Chloride

Building Blocks Skeleton Aromatic heterocycle compounds Pyrimidine compounds

Key Words

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4-Chloro-6-iodothieno[2,3-d]pyrimidine

CAS No. 552295-08-6

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