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128912-47-0

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128912-47-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128912-47-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,9,1 and 2 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 128912-47:
(8*1)+(7*2)+(6*8)+(5*9)+(4*1)+(3*2)+(2*4)+(1*7)=140
140 % 10 = 0
So 128912-47-0 is a valid CAS Registry Number.

128912-47-0Relevant articles and documents

Routes to some 3,6-disubstituted phthalonitriles and examples of phthalocyanines derived therefrom. An overview

Heeney, Martin J.,Al-Raqa, Shaya A.,Auger, Aurélien,Burnham, Paul M.,Cammidge, Andrew N.,Chambrier, Isabelle,Cook, Michael J.

, p. 649 - 664 (2013/09/24)

The paper reviews a selection of synthetic pathways that provide access to 3,6-disubstituted phthalonitriles, precursors for the synthesis of 1,4,8,11,15,18,22,25-octasubstituted phthalocyanine derivatives. Early routes using Diels-Alder reactions for the

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