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3-mercapto-4-methyl-6-phenylpyridazine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

21635-49-4

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21635-49-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21635-49-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,6,3 and 5 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 21635-49:
(7*2)+(6*1)+(5*6)+(4*3)+(3*5)+(2*4)+(1*9)=94
94 % 10 = 4
So 21635-49-4 is a valid CAS Registry Number.

21635-49-4Relevant academic research and scientific papers

Action of Grignard Reagents on 6-Arylpyridazin-3(2H)-thiones

Ismail, M. Fekry,Kaddah, A. M.,Elkafrawy, A. F.,Sayed, Fekria S.,El-Sawy, O. M.

, p. 415 - 420 (2007/10/02)

6-Arylpyridazin-3(2H)-thiones (1a-c) react with Grignard reagents by 1,4-addition to give either 4-substituted 6-aryl-4,5-dihydropyridazin-3(2H)-thiones (2a-c) or their dehydrogenated products, namely 4-substituted 6-arylpyridazin-3(2H)-thiones (3d-k).The

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