5-Bromo-1,2,4-thiadiazole

Name: 5-Bromo-1,2,4-thiadiazole
Brand: ChemScene
Availability: InStock
Rating: 5 (1 reviews)

CAS No. 43201-13-4
Cat. No. CS-W006082
Purity≥96%
MDL No.MFCD19687255

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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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Structure of 43201-13-4

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General Information

CAS No. 43201-13-4
Cat. No. CS-W006082
Purity ≥96%
MDL No. MFCD19687255
Storage -20°C
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₂HBrN₂S
Molecular Weight 165.01
Synonym(s) None
SMILES BrC1=NC=NS1

Description

5-Bromo-1,2,4-thiadiazole features a bromine-substituted heterocyclic core that imparts enhanced reactivity and electron-withdrawing character. This bench-stable compound integrates readily into synthetic sequences, serving as a key building block for bioactive molecules and functional materials. Its robustness under standard conditions enables reliable use in cross-coupling and derivatization workflows.

Application

5-Bromo-1,2,4-thiadiazole serves as a versatile heterocyclic building block in medicinal chemistry and materials science. Its bromine substituent enables facile palladium-catalyzed cross-coupling reactions, facilitating the construction of biaryl and heteroaryl architectures. The molecule exhibits excellent bench stability, tolerates a range of functional groups, and simplifies purification due to its crystalline nature. It functions as a key scaffold for diversification in API development and advanced organic synthesis.

Synthesis

Route1
- In-stock
  
  7552-07-0
- ~%
- In-stock
  
  43201-13-4
References
- SKW STICKSTOFFWERKE PIESTERITZ GMBH Patent: WO2005/7636 A1, 2005 ; Location in patent: Page/Page column 16 ;

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 1.3006
H_Acceptors 3
H_Donors 0
Rotatable_Bonds 0

Other Classifications

Building Blocks Skeleton Aromatic heterocycle compounds Other aromatic heterocycles compounds

Key Words

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5-Bromo-1,2,4-thiadiazole

CAS No. 43201-13-4

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