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223429-35-4

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223429-35-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 223429-35-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,3,4,2 and 9 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 223429-35:
(8*2)+(7*2)+(6*3)+(5*4)+(4*2)+(3*9)+(2*3)+(1*5)=114
114 % 10 = 4
So 223429-35-4 is a valid CAS Registry Number.

223429-35-4Downstream Products

223429-35-4Relevant articles and documents

Synthesis of chiral calix[n]arenes. Part 2: Synthesis of new chiral calix[n]arenes based on (p-hydroxy-phenyl)-menthone

Soi, Antonio,Pfeiffer, Jens,Jauch, Johann,Schurig, Volker

, p. 177 - 182 (1999)

The synthesis of new chiral calix[n]arenes, related to Corey's phenyl- menthol, is described. Starting from enantiomerically pure (R)-(+)-pulegone, calix[n]arenes with different ring sizes could be obtained in reasonable yield.

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