Drug Intermediate / Pharmaceutical Intermediate

5-Chloro-4-Amino-2,1,3-Benzothiadiazole

Key starting material and intermediate for cardiovascular drug synthesis

CAS Number29270-56-2
Molecular Weight185.6300 g/mol
Purity≥98.0%
AppearanceYellow to orange-brown crystalline powder

Technical / Structural Monograph

5-Chloro-4-amino-2,1,3-benzothiadiazole is a heterocyclic organic compound featuring a benzothiadiazole core structure decorated with ortho chloro and amino substituents. This intermediate is valued for its remarkable versatility in multi-step organic synthesis and acts as a central building block for diverse cardiovascular and anti-spasticity agents. Sourced strictly from validated manufacturers.

Synthesis Role & End-Use Applications

A key clinical-grade pharmaceutical intermediate used in the synthesis of various therapeutic compounds. This benzothiadiazole derivative serves as an important building block in drug development and active API manufacturing, produced under stringent conditions with premium quality control.

Typical Quality Specification

Test ParameterSpecificationMethod
AppearanceYellow to orange-brown crystalline powder—
Purity≥98.0%GC/HPLC
Assay / Purity≥98.0%GC/HPLC
Single Maximum Impurity< 0.1%—
Total Impurities< 0.5%—
Heavy Metals< 10 ppm—
Sulfated Ash< 0.1%—
Typical sourcing specification shown for evaluation. Actual released-lot results are provided in the applicable batch Certificate of Analysis.

Packaging & Storage

Packaging

Double LDPE bags

Storage Conditions

Store at room temperature 15-30°C (59-86°F)

Shelf Life

24 months when stored under recommended, un-opened container parameters

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