Cas 1004307-38-3,C18H17NO6S

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Check Digit Verification of cas no

The CAS Registry Mumber 1004307-38-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,4,3,0 and 7 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1004307-38:
(9*1)+(8*0)+(7*0)+(6*4)+(5*3)+(4*0)+(3*7)+(2*3)+(1*8)=83
83 % 10 = 3
So 1004307-38-3 is a valid CAS Registry Number.

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1004307-38-3Relevant articles and documents

Asymmetric Mannich reaction of dicarbonyl compounds with α-amido sulfones catalyzed by cinchona alkaloids and synthesis of chiral dihydropyrimidones

Lou, Sha,Dai, Peng,Schaus, Scott E.

, p. 9998 - 10008 (2008/04/05)

(Chemical Equation Presented) The highly enantioselective cinchona alkaloid-catalyzed Mannich reaction of dicarbonyl compounds with α-amido sulfones as acyl imine precursors is described. The reaction requires 10 mol % of the cinchona alkaloid catalyst, w

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1004307-38-3