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653598-50-6

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653598-50-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 653598-50-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,5,3,5,9 and 8 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 653598-50:
(8*6)+(7*5)+(6*3)+(5*5)+(4*9)+(3*8)+(2*5)+(1*0)=196
196 % 10 = 6
So 653598-50-6 is a valid CAS Registry Number.

653598-50-6Downstream Products

653598-50-6Relevant articles and documents

Synthesis, stereochemistry confirmation and biological activity evaluation of a constituent from Isodon excisus

Xing, Xuechao,Ho, Pei,Bourquin, Geoffroy,Yeh, Li-An,Cuny, Gregory D.

, p. 9961 - 9969 (2007/10/03)

A synthesis and stereochemistry confirmation of a constituent recently isolated from the whole plant Isodon excisus is reported. An enantioselective catalytic boron-mediated reduction of an α-bromoketone was utilized in the key synthetic transformation. The methodology described herein was also used for the synthesis of the natural product's enantiomer and several derivatives. In addition, the compounds were evaluated for inhibitory activity in a caspase induction assay. The natural product was found to be devoid of activity, but several derivatives had moderate inhibitory activity (EC 501 μM).

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