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1,2-Pyridazinedicarboxylic acid, 3,6-dihydro-3-phenyl-5-[(trimethylsilyl)oxy]-, dimethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

137726-65-9

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137726-65-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137726-65-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,7,2 and 6 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 137726-65:
(8*1)+(7*3)+(6*7)+(5*7)+(4*2)+(3*6)+(2*6)+(1*5)=149
149 % 10 = 9
So 137726-65-9 is a valid CAS Registry Number.

137726-65-9Relevant academic research and scientific papers

HEXAHYDROPYRIDAZINE DERIVATIVES. 3. SYNTHESIS OF HEXAHYDRO-4-PYRIDAZINONES

Vartanyan, R. S.,Gyul'budagyan, A. L.,Khanamiryan, A. Kh.,Mkrtumyan, E. N.,Kazaryan, Zh. V.

, p. 613 - 616 (2007/10/02)

The reaction of azodicarboxylic acid esters with 2-methoxy- or 2-trimethylsilyloxy-1,3-butadienes gave a number of 1,2-bis(alkoxycarbonyl)-4-methoxy(trimethylsilyloxy)-1,2,3,6-tetrahydropyridazines, which were hydrolyzed to the corresponding hexahydro-4-p

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