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136591-52-1

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136591-52-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 136591-52-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,5,9 and 1 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 136591-52:
(8*1)+(7*3)+(6*6)+(5*5)+(4*9)+(3*1)+(2*5)+(1*2)=141
141 % 10 = 1
So 136591-52-1 is a valid CAS Registry Number.

136591-52-1Relevant articles and documents

Enantioselective Synthesis of Indoloquinolizidines. Key words: Chiral 1,4-dihydropyridines - chiral symmetrical diamines - chiral indoloquinolizidines.

Mangeney, Pierre,Gosmini, Romain,Alexakis, Alexandre

, p. 3981 - 3984 (1991)

Asymmetric synthesis of indoloquinolizidine has been accomplished by using acyl pyridinium salt bearing in 3 position a chiral aminal.

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