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397251-81-9

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397251-81-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 397251-81-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,9,7,2,5 and 1 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 397251-81:
(8*3)+(7*9)+(6*7)+(5*2)+(4*5)+(3*1)+(2*8)+(1*1)=179
179 % 10 = 9
So 397251-81-9 is a valid CAS Registry Number.

397251-81-9Relevant articles and documents

Absolute configuration assignment by asymmetric syntheses of the homalium alkaloids (?)-(R, R, R)-hoprominol and (?)-(4′ S,4″ R,2? R)-Hopromalinol

Davies, Stephen G.,Lee, James A.,Roberts, Paul M.,Stonehouse, Jeffrey P.,Thomson, James E.

, p. 9724 - 9737 (2013/01/15)

The conjugate addition of lithium (R)-N-(3-chloropropyl)-N-(α- methylbenzyl)amide to α,β-unsaturated esters was used as the key step in the syntheses of all possible diastereoisomers of the homalium alkaloids hoprominol and hopromalinol. Comparison of the

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