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909023-11-6

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909023-11-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 909023-11-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,9,0,2 and 3 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 909023-11:
(8*9)+(7*0)+(6*9)+(5*0)+(4*2)+(3*3)+(2*1)+(1*1)=146
146 % 10 = 6
So 909023-11-6 is a valid CAS Registry Number.

909023-11-6Relevant articles and documents

Diastereoselective and enantioselective Henry (nitroaldol) reaction utilizing a guanidine-thiourea bifunctional organocatalyst

Sohtome, Yoshihiro,Hashimoto, Yuichi,Nagasawa, Kazuo

, p. 2894 - 2897 (2006)

A highly enantio- and diastereoselective Henry reaction of various aldehydes with nitroethane was developed using the guanidine-thiourea bifunctional catalyst 1 (syn selectivity of 86:14 to 99:1 with 84-99% ee). A variety of nitroalkanes was treated with

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