Cas 862897-54-9,(R)-diethyl 2-(1-(furan-2-yl)-3-oxo-3-phenylpropyl)malonate

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Check Digit Verification of cas no

The CAS Registry Mumber 862897-54-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,2,8,9 and 7 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 862897-54:
(8*8)+(7*6)+(6*2)+(5*8)+(4*9)+(3*7)+(2*5)+(1*4)=229
229 % 10 = 9
So 862897-54-9 is a valid CAS Registry Number.

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862897-54-9Relevant academic research and scientific papers

Highly enantioselective Michael addition of diethyl malonate to chalcones catalyzed by cinchona alkaloids-derivatived bifunctional tertiary amine-thioureas bearing multiple hydrogen-bonding donors

Liu, Yulong,Wang, Xie,Wang, Xiaoyun,He, Wei

supporting information, p. 3163 - 3166 (2014/05/06)

Chalcones are still challenge substrates in Michael reactions, and only limited success has been achieved. This work describes a highly enantioselective Michael addition of diethyl malonate with chalcones catalyzed by cinchona alkaloids-derivatived bifunctional tertiary amine-thioureas bearing multiple hydrogen-bonding donors.

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