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Impurity of Azelastine
Azelastine Inhouse Impurity 11 / Phthalazone
Impurity
GS.103.AZL.41.png
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Product Name Azelastine Inhouse Impurity 11 / Phthalazone
Product Category Impurities
Sub-Category Aromatics
CAS No 119-39-1
Catalog Number GS.103.AZL.41
Chemical Name/Synonyms Benzo[d]pyridazin-1(2H)one ; 1(2H)-Phthalazinone
Molecular Weight 146.15
Molecular Formula C8H6N2O
Purity NLT 95%
Appearance Off-white to pale yellow Powder
Solubility Methanol, DMSO, Chloroform
Applications 1-Hydroxyphthalazine is an Associate in Nursing adulteration of antihypertensive. antihypertensive is that the 1-hydrazino by-product of phthalazine; a direct-acting vasodilative that's used as an Associate in Nursing medication agent.
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