4,5-Diiodo-2-(tetrahydro-2H-pyran-4-yl)pyridazin-3(2H)-one CAS 1706464-46-1

Purity 97%+In StockPharmaceutical Standards
CAS No.1706464-46-1
Molecular FormulaC9H10I2N2O2
Molecular Weight432.00 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4,5-Diiodo-2-(tetrahydro-2H-pyran-4-yl)pyridazin-3(2H)-one CAS 1706464-46-1 chemical structure

Description

4,5-Diiodo-2-(tetrahydro-2H-pyran-4-yl)pyridazin-3(2H)-one (CAS 1706464-46-1), molecular formula C9H10I2N2O2 and molecular weight 432.00 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 4,5-Diiodo-2-(tetrahydro-2H-pyran-4-yl)pyridazin-3(2H)-one (C9H10I2N2O2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, iodine substitution. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 432.00 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

As a certified reference material (CRM), 4,5-Diiodo-2-(tetrahydro-2H-pyran-4-yl)pyridazin-3(2H)-one 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 FormulaC9H10I2N2O2
Molecular Weight432.00 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility)
Purity97%+
StorageStore in a cool place (≤25°C), protect from light, keep sealed and dry
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)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1994
Halogen ContentI-containing
Nitrogen Atoms2

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