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957199-86-9

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957199-86-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 957199-86-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,5,7,1,9 and 9 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 957199-86:
(8*9)+(7*5)+(6*7)+(5*1)+(4*9)+(3*9)+(2*8)+(1*6)=239
239 % 10 = 9
So 957199-86-9 is a valid CAS Registry Number.

957199-86-9Downstream Products

957199-86-9Relevant academic research and scientific papers

N-heterocyclic carbene-catalyzed michael additions of 1,3-dicarbonyl compounds

Boddaert, Thomas,Coquerel, Yoann,Rodriguez, Jean

, p. 2266 - 2271 (2011)

A study of the organocatalytic activity of N-heterocyclic carbenes (NHCs) in the Michael addition of 1,3-dicarbonyl compounds has allowed us to identify 1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene (IPr) as an excellent catalyst for this transformatio

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