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103979-82-4

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103979-82-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 103979-82-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,9,7 and 9 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 103979-82:
(8*1)+(7*0)+(6*3)+(5*9)+(4*7)+(3*9)+(2*8)+(1*2)=144
144 % 10 = 4
So 103979-82-4 is a valid CAS Registry Number.

103979-82-4Relevant articles and documents

NEW CHIRAL RECOGNITION OF CHIRAL TIN(II) ENOLATES TOWARD CYCLIC ACYL IMINIUM SPECIES. ASYMMETRIC TOTAL SYNTHESIS OF (-)-SUPINIDINE

Nagao, Yoshimitsu,Dai, Wei-Min,Ochiai, Masahito

, p. 6133 - 6136 (2007/10/02)

Diastereoselective alkylation of chiral tin(II) enolates 1 onto cyclic acyl iminium ion 7 proceeded in a different chiral recognition mode from the case of 1 onto cyclic acyl imines 3.This new diastereoselective alkylation was efficiently utilized for an asymmetric total synthesis of (-)-supinidine (20).

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