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6,7,8,9-Tetrahydro-7-methyl-1,4-diphenylpyrido<3,4-g>phthalazine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

135033-34-0

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135033-34-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 135033-34-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,0,3 and 3 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 135033-34:
(8*1)+(7*3)+(6*5)+(5*0)+(4*3)+(3*3)+(2*3)+(1*4)=90
90 % 10 = 0
So 135033-34-0 is a valid CAS Registry Number.

135033-34-0Downstream Products

135033-34-0Relevant articles and documents

Inverse-electron-demand Diels-Alder reactions of condensed pyridazines, part 1. Synthesis of phthalazine derivatives from pyridazino[4,5-d]pyridazines

Haider

, p. 3959 - 3968 (1991)

The 1,4-diarylpyridazino[4,5-d]pyridazine derivatives 1a,b were found to undergo [4+2] cycloaddition reactions with a variety of electron-rich dienophiles like enamines and ketene acetals to afford phthalazine derivatives in good to high yields.

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