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70026-33-4

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70026-33-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 70026-33-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,0,2 and 6 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 70026-33:
(7*7)+(6*0)+(5*0)+(4*2)+(3*6)+(2*3)+(1*3)=84
84 % 10 = 4
So 70026-33-4 is a valid CAS Registry Number.

70026-33-4Relevant articles and documents

Synthesis of three putative kairomones of the beech leaf-mining weevil Orchestes fagi (L.)

Mayo,Silk,Abeysekera,MaGee

, p. 1124 - 1132 (2016)

The beech leaf-mining weevil, Orchestes fagi (L.), also known as the beech flea weevil, is a common and widespread pest of beech, Fagus sylvatica L., in its native Europe. It now appears to be well established in Nova Scotia, Canada. We report a novel synthesis of 9-geranyl-p-cymene and syntheses of 9-geranyl-α-terpinene and 1,1-dimethyl-3-methylene-2-vinylcyclohexane, making partial use of known methods. All three of these compounds are found in beech leaf volatiles and/or wood and are putative kairomones of the beech leaf-mining weevil.

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