6-Chloro-1,2,4-triazolo[4,3-b]-pyridazine-3-carboxylic acid CAS 330440-43-2

Purity 97%+In StockPharmaceutical Standards
CAS No.330440-43-2
Molecular FormulaC6H3ClN4O2
Molecular Weight198.57 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

6-Chloro-1,2,4-triazolo[4,3-b]-pyridazine-3-carboxylic acid CAS 330440-43-2 chemical structure

Description

CATO supplies 6-Chloro-1,2,4-triazolo[4,3-b]-pyridazine-3-carboxylic acid (CAS 330440-43-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C6H3ClN4O2. Molecular weight: 198.57 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC6H3ClN4O2
Molecular Weight198.57 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentCl-containing
Nitrogen Atoms4

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