1-Chloro-4-hydrazinyl-5,6,7,8-tetrahydrophthalazine CAS 66597-78-2

Purity 97%+In StockPharmaceutical Standards
CAS No.66597-78-2
Molecular FormulaC8H11ClN4
Molecular Weight198.65 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-Chloro-4-hydrazinyl-5,6,7,8-tetrahydrophthalazine CAS 66597-78-2 chemical structure

Description

The occurrence of 1-Chloro-4-hydrazinyl-5,6,7,8-tetrahydrophthalazine is closely related to a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

1-Chloro-4-hydrazinyl-5,6,7,8-tetrahydrophthalazine (CAS 66597-78-2) is a high-purity analytical reference standard with the molecular formula C8H11ClN4 and a molecular weight of 198.65 g/mol.

Based on its molecular formula C8H11ClN4, 1-Chloro-4-hydrazinyl-5,6,7,8-tetrahydrophthalazine contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 198.65 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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.

CATO manufactures 1-Chloro-4-hydrazinyl-5,6,7,8-tetrahydrophthalazine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC8H11ClN4
Molecular Weight198.65 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 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
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1976
Halogen ContentCl-containing
Nitrogen Atoms4

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