1189481-89-7 3-Hydroxy-4,5-dichloropyridazine-15N2 4,5-Dichloro-2H-pyridazin-3-one-15N2 4,5-Dichloro-3(2H)-pyridazinone-15N2 4,5-Dichloro-3(2H)-pyridazone-15N2 4,5-Dichloro-3-hydroxypyridazine-15N2 4,5-Dichloro-6-oxo-1H-pyridazine-15N2 4,5-Dichloro-6-pyridazone-15N2 CAS 1189481-89-7

Purity 97%+In StockPharmaceutical Standards
CAS No.1189481-89-7
Molecular FormulaC4H2Cl2[15N]2O
Molecular Weight166.96 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1189481-89-7 3-Hydroxy-4,5-dichloropyridazine-15N2 4,5-Dichloro-2H-pyridazin-3-one-15N2 4,5-Dichloro-3(2H)-pyridazinone-15N2 4,5-Dichloro-3(2H)-pyridazone-15N2 4,5-Dichloro-3-hydroxypyridazine-15N2 4,5-Dichloro-6-oxo-1H-pyridazine-15N2 4,5-Dichloro-6-pyridazone-15N2 CAS 1189481-89-7 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 166.96 g/mol gives 1189481-89-7 3-Hydroxy-4,5-dichloropyridazine-15N2 4,5-Dichloro-2H-pyridazin-3-one-15N2 4,5-Dichloro-3(2H)-pyridazinone-15N2 4,5-Dichloro-3(2H)-pyridazone-15N2 4,5-Dichloro-3-hydroxypyridazine-15N2 4,5-Dichloro-6-oxo-1H-pyridazine-15N2 4,5-Dichloro-6-pyridazone-15N2 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

1189481-89-7 3-Hydroxy-4,5-dichloropyridazine-15N2 4,5-Dichloro-2H-pyridazin-3-one-15N2 4,5-Dichloro-3(2H)-pyridazinone-15N2 4,5-Dichloro-3(2H)-pyridazone-15N2 4,5-Dichloro-3-hydroxypyridazine-15N2 4,5-Dichloro-6-oxo-1H-pyridazine-15N2 4,5-Dichloro-6-pyridazone-15N2 (CAS 1189481-89-7), molecular formula C4H2Cl2[15N]2O and molecular weight 166.96 g/mol, is a CATO reference standard with documented purity and traceability.

1189481-89-7 3-Hydroxy-4,5-dichloropyridazine-15N2 4,5-Dichloro-2H-pyridazin-3-one-15N2 4,5-Dichloro-3(2H)-pyridazinone-15N2 4,5-Dichloro-3(2H)-pyridazone-15N2 4,5-Dichloro-3-hydroxypyridazine-15N2 4,5-Dichloro-6-oxo-1H-pyridazine-15N2 4,5-Dichloro-6-pyridazone-15N2 (C4H2Cl2[15N]2O) contains an amide group, a hydroxyl group, an ether linkage, chlorine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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), 1189481-89-7 3-Hydroxy-4,5-dichloropyridazine-15N2 4,5-Dichloro-2H-pyridazin-3-one-15N2 4,5-Dichloro-3(2H)-pyridazinone-15N2 4,5-Dichloro-3(2H)-pyridazone-15N2 4,5-Dichloro-3-hydroxypyridazine-15N2 4,5-Dichloro-6-oxo-1H-pyridazine-15N2 4,5-Dichloro-6-pyridazone-15N2 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 FormulaC4H2Cl2[15N]2O
Molecular Weight166.96 g/mol
AppearanceWhite 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)3.5
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1989
Halogen ContentCl-containing
Nitrogen Atoms1

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