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128456-04-2

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128456-04-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128456-04-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,4,5 and 6 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 128456-04:
(8*1)+(7*2)+(6*8)+(5*4)+(4*5)+(3*6)+(2*0)+(1*4)=132
132 % 10 = 2
So 128456-04-2 is a valid CAS Registry Number.

128456-04-2Downstream Products

128456-04-2Relevant articles and documents

Cyclofunctionalization of 2-Allyl-phenols with Sulfur Chlorides. III. 2-Arylthiomethyl-2,3-dihydrofuroquinolins from 7-Allyl- and 7-Methallyl-8-hydroxyquinoline, respectively, and Arylsulfenyl Chlorides

Meinhold, H.,Muehlstaedt, M.,Muslih, R. M.

, p. 136 - 140 (2007/10/02)

Reactions of 7-allyl- (3) and 7-methallyl-8-hydroxyquinoline (4) with selected arylsulfenyl chlorides (5a-d) yield the products of cyclofunctionalization corresponding 2-arylthiomethyl-2,3-dihydrofuroquinolins (6 and 7).The products are identified by 1H-n.m.r.-spectroscopy, mass spectrometry and microanalysis.

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