2,6-Dichloropyridine-4-carbonyl chloride 2,6-dichloro-isonicotinoyl chloride 2,6-dichloroisonicotinoyl chloride 2,6-dichloropyridine-4-carbonylchloride 2,6-dichloropyridine-4-carboxylic chloride 42521-08-4 CAS 42521-08-4

Purity 97%+In StockPharmaceutical Standards
CAS No.42521-08-4
Molecular FormulaC6H2Cl3NO
Molecular Weight210.45 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2,6-Dichloropyridine-4-carbonyl chloride 2,6-dichloro-isonicotinoyl chloride 2,6-dichloroisonicotinoyl chloride 2,6-dichloropyridine-4-carbonylchloride 2,6-dichloropyridine-4-carboxylic chloride 42521-08-4 CAS 42521-08-4 chemical structure

Description

The occurrence of 2,6-Dichloropyridine-4-carbonyl chloride 2,6-dichloro-isonicotinoyl chloride 2,6-dichloroisonicotinoyl chloride 2,6-dichloropyridine-4-carbonylchloride 2,6-dichloropyridine-4-carboxylic chloride 42521-08-4 is closely related to an amide group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

CATO supplies 2,6-Dichloropyridine-4-carbonyl chloride 2,6-dichloro-isonicotinoyl chloride 2,6-dichloroisonicotinoyl chloride 2,6-dichloropyridine-4-carbonylchloride 2,6-dichloropyridine-4-carboxylic chloride 42521-08-4 (CAS 42521-08-4), a certified reference material (molecular formula C6H2Cl3NO, MW 210.45 g/mol) for analytical method development and quality control.

Owing to an amide group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system, 2,6-Dichloropyridine-4-carbonyl chloride 2,6-dichloro-isonicotinoyl chloride 2,6-dichloroisonicotinoyl chloride 2,6-dichloropyridine-4-carbonylchloride 2,6-dichloropyridine-4-carboxylic chloride 42521-08-4 is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 210.45 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

As a certified reference material (CRM), 2,6-Dichloropyridine-4-carbonyl chloride 2,6-dichloro-isonicotinoyl chloride 2,6-dichloroisonicotinoyl chloride 2,6-dichloropyridine-4-carbonylchloride 2,6-dichloropyridine-4-carboxylic chloride 42521-08-4 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC6H2Cl3NO
Molecular Weight210.45 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility)
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1969
Halogen ContentCl-containing
Nitrogen Atoms1

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