2-Amino-5-chlorobenzothiazole

Name: 2-Amino-5-chlorobenzothiazole
Brand: ChemScene
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CAS No. 20358-00-3
Cat. No. CS-W019017
Purity≥95%
MDL No.MFCD00205355

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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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2-Amino-5-chlorobenzothiazole|CS-W019017

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General Information

CAS No. 20358-00-3
Cat. No. CS-W019017
Purity ≥95%
MDL No. MFCD00205355
Storage 4°C, protect from light
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₇H₅ClN₂S
Molecular Weight 184.65
Synonym(s) 5-chlrobenzo[d]thiazol-2-amine
SMILES C1=CC(=CC2=C1SC(=N2)N)Cl

Description

2-Amino-5-chlorobenzothiazole features a fused heterocyclic core with complementary electron-donating and electron-withdrawing substituents, enabling robust participation in transition-metal-catalyzed cross-coupling reactions. This bench-stable compound integrates efficiently into complex molecular architectures under standard conditions.

Application

2-Amino-5-chlorobenzothiazole serves as a versatile building block for the synthesis of biologically active heterocycles and pharmaceutical intermediates. Its amino and chloro substituents enable diverse functionalization via palladium-catalyzed cross-coupling, nucleophilic substitution, and electrophilic aromatic substitution reactions. The compound exhibits good bench stability and facilitates efficient purification, making it well-suited for iterative synthetic workflows in medicinal chemistry and process development.

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-H312-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 38.91
LogP 2.5319
H_Acceptors 3
H_Donors 1
Rotatable_Bonds 0

Other Classifications

Building Blocks Functional Group Chloride

Building Blocks Skeleton Aromatic heterocycle compounds Benzothiazole compounds

Key Words

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2-Amino-5-chlorobenzothiazole

CAS No. 20358-00-3

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