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1H-Pyrazole-3,4-dicarboxylic acid, 1-methyl-, dimethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

22050-80-2

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22050-80-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 22050-80-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,0,5 and 0 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 22050-80:
(7*2)+(6*2)+(5*0)+(4*5)+(3*0)+(2*8)+(1*0)=62
62 % 10 = 2
So 22050-80-2 is a valid CAS Registry Number.

22050-80-2Relevant academic research and scientific papers

Novel generation of azomethine imines from α-silylnitrosamines by 1,4- silatropic shift and their cycloaddition

Washizuka, Ken-Ichi,Nagai, Keiko,Minakata, Satoshi,Ryu, Ilhyong,Komatsu, Mitsuo

, p. 8849 - 8853 (1999)

Novel and facile generation of azomethine imines from α- silylnitrosamines and subsequent cycloaddition with dipolarophiles leading to a variety of pyrazole derivatives have been developed. The key to the reaction is a 1,4-silatropic shift caused by stron

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