52161-55-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52161-55-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,1,6 and 1 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 52161-55:
(7*5)+(6*2)+(5*1)+(4*6)+(3*1)+(2*5)+(1*5)=94
94 % 10 = 4
So 52161-55-4 is a valid CAS Registry Number.
52161-55-4Relevant academic research and scientific papers
PROCESS FOR THE PREPARATION OF BETA-GAMMA ENE CARBONYL DERIVATIVES
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Page/Page column 8; 9, (2008/06/13)
The present invention relates to a preparation of β-γ ene carboxylic or ketone derivatives, which may also have particular requirement on the configuration of the carbon-carbon double bond. The method requires a thermal treatment of α-β unsaturated malona
