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188686-10-4

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188686-10-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 188686-10-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,8,6,8 and 6 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 188686-10:
(8*1)+(7*8)+(6*8)+(5*6)+(4*8)+(3*6)+(2*1)+(1*0)=194
194 % 10 = 4
So 188686-10-4 is a valid CAS Registry Number.

188686-10-4Relevant articles and documents

Asymmetric induction at two contiguous stereogenic centers by diastereoface differentiating nucleophilic addition reaction

Miyata, Okiko,Shinada, Tetsuro,Ninomiya, Ichiya,Naito, Takeaki

, p. 3519 - 3522 (1991)

Distereoface differentiating nucleophilic of thiophenol to olefins delivers a new concomitant asymmetric construction of two contiguous stereogenic centers and has been successfully applied to the asymmetric synthesis of (+)-diltiazem.

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