5-Bromo-4-chlorothieno[2,3-d]pyrimidine

Name: 5-Bromo-4-chlorothieno[2,3-d]pyrimidine
Brand: ChemScene
Availability: InStock
Rating: 5 (1 reviews)

CAS No. 814918-95-1
Cat. No. CS-0006619
Purity≥97%
MDL No.MFCD11042739

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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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5-Bromo-4-chlorothieno[2,3-d]pyrimidine|CS-0006619

Structure of 814918-95-1

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Description

5-Bromo-4-chlorothieno[2,3-d]pyrimidine features a fused thienopyrimidine core with complementary halogenation at the 5-bromo and 4-chloro positions, enabling selective cross-coupling reactions. This electron-deficient heterocycle integrates readily into pharmaceutical scaffolds and serves as a key intermediate in medicinal chemistry.

Application

5-Bromo-4-chlorothieno[2,3-d]pyrimidine serves as a versatile building block in heterocyclic synthesis, enabling efficient construction of advanced pharmaceutical scaffolds. Its complementary halogenation pattern facilitates palladium-catalyzed cross-coupling reactions with broad functional group tolerance. The molecule exhibits excellent bench stability and simplifies purification due to its crystalline nature, making it well-suited for iterative synthetic sequences in medicinal chemistry and process development.

General Information

CAS No. 814918-95-1
Cat. No. CS-0006619
Purity ≥97%
MDL No. MFCD11042739
Storage -20°C, sealed storage, away from moisture
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₆H₂BrClN₂S
Molecular Weight 249.52
Synonym(s) 5-bromo-4-chloro-thieno[2,3-d]pyrimidine
SMILES BrC1=CSC2=C1C(Cl)=NC=N2

Computational Chemistry Data

TPSA 25.78
LogP 3.1072
H_Acceptors 3
H_Donors 0
Rotatable_Bonds 0

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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Other Classifications

Building Blocks Functional Group Bromide

Building Blocks Skeleton Aromatic heterocycle compounds Pyrimidine compounds

Building Blocks Skeleton Aromatic heterocycle compounds Thiophene compounds

Key Words

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5-Bromo-4-chlorothieno[2,3-d]pyrimidine

CAS No. 814918-95-1

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