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70200-32-7

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70200-32-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 70200-32-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,2,0 and 0 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 70200-32:
(7*7)+(6*0)+(5*2)+(4*0)+(3*0)+(2*3)+(1*2)=67
67 % 10 = 7
So 70200-32-7 is a valid CAS Registry Number.

70200-32-7Relevant articles and documents

SYNTHESIS AND BIOLOGICAL ACTIVITY OF BOTH (E)- AND (Z)-ISOMERS OF OPTICALLY PURE (S)-14-METHYL-8-HEXADECENAL (TROGODERMAL), THE ANTIPODES OF THE PHEROMONE OF THE KHAPRA BEETLE

Mori, K.,Kuwahara, S.,Levinson, H. Z.,Levinson, A. R.

, p. 2291 - 2297 (1982)

Both (E)- and (Z)-isomers of (S)-14-methyl-8-hexadecenal (trogodermal) were synthesized from 100percent optically pure (R)-(+)-citronellic acid.These antipodes of the khapra beetle pheromone were 1/500 to 1/1000 times as active as the natural (R)-pheromone.Determination of the optical purities of citronellic acid and related compounds was achieved by hplc method.Warning was made not to forget the measurement of density in expressing the optical rotation of a neat liquid as D (neat).

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