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934991-07-8

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934991-07-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 934991-07-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,4,9,9 and 1 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 934991-07:
(8*9)+(7*3)+(6*4)+(5*9)+(4*9)+(3*1)+(2*0)+(1*7)=208
208 % 10 = 8
So 934991-07-8 is a valid CAS Registry Number.

934991-07-8Relevant articles and documents

Concave pyridines for bifunctional acid-base catalysis

Liebig, Timo,Abbass, Michael,Luening, Ulrich

, p. 972 - 980 (2008/02/13)

Two bifunctional concave acid-base catalysts, 1 and 2, have been synthesized starting from 2,6-dibromopyridine (9) and 2,6-bis(ω- alkenyloxy)phenylboronic acids 8 and 10 which end up as bridgeheads in final bimacrocycles 1 and 2. One bridgehead contained

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