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1415636-59-7

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1415636-59-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1415636-59-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,1,5,6,3 and 6 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1415636-59:
(9*1)+(8*4)+(7*1)+(6*5)+(5*6)+(4*3)+(3*6)+(2*5)+(1*9)=157
157 % 10 = 7
So 1415636-59-7 is a valid CAS Registry Number.

1415636-59-7Relevant articles and documents

Iridium-catalyzed asymmetric hydrogenation of α-substituted α,β-unsaturated acyclic ketones: Enantioselective total synthesis of (-)-mesembrine

Zhang, Qian-Qian,Xie, Jian-Hua,Yang, Xiao-Hui,Xie, Jian-Bo,Zhou, Qi-Lin

supporting information, p. 6158 - 6161 (2013/02/23)

A highly efficient asymmetric hydrogenation of α-substituted α,β-unsaturated acyclic ketones catalyzed by chiral spiro iridium complexes for the preparation of chiral 2-substituted allylic alcohols has been developed (ee up to 99.7%). This method provides a concise route to (-)-mesembrine (34% yield, 12 steps).

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