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7,8-dihydro-7-phenylpyrimido<4,5-c>pyridazin-5(6H)-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

137609-41-7

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137609-41-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137609-41-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,6,0 and 9 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 137609-41:
(8*1)+(7*3)+(6*7)+(5*6)+(4*0)+(3*9)+(2*4)+(1*1)=137
137 % 10 = 7
So 137609-41-7 is a valid CAS Registry Number.

137609-41-7Downstream Products

137609-41-7Relevant academic research and scientific papers

Pyridazines. LIX. Synthesis of c-Annelated Pyridazines from 3-Amino-4-pyridazinecarbonitrile

Haider, Norbert,Heinisch, Gottfried,Wanko, Richard

, p. 1441 - 1444 (2007/10/02)

The utility of the aminonitrile 1 as an educt for the preparation of several new examples of heterocycle-fused pyridazines (the triazolopyrimidopyridazine 7, the pyrimidopyridazines 8, 10a,b, and the pyridopyridazine 11) is demonstrated.

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