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65640-71-3

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65640-71-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 65640-71-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,6,4 and 0 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 65640-71:
(7*6)+(6*5)+(5*6)+(4*4)+(3*0)+(2*7)+(1*1)=133
133 % 10 = 3
So 65640-71-3 is a valid CAS Registry Number.

65640-71-3Downstream Products

65640-71-3Relevant articles and documents

The effect of catechin derivatives on the enantioselectivity of lipase-catalyzed hydrolyses of alkynol benzoate esters

Nakamura, Kaoru,Takenaka, Keishi

, p. 415 - 422 (2007/10/03)

Polyphenols, such as (+)-catechin and pyrogallol could be used to enhance stereochemical control in the lipase-catalyzed hydrolysis of alkynol benzoate esters, leading to increased enantioselectivities in the kinetic resolution of alkynols with lipase Amano AH.

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