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86838-55-3

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86838-55-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 86838-55-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,6,8,3 and 8 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 86838-55:
(7*8)+(6*6)+(5*8)+(4*3)+(3*8)+(2*5)+(1*5)=183
183 % 10 = 3
So 86838-55-3 is a valid CAS Registry Number.

86838-55-3Relevant articles and documents

SYNTHESE DE L'ACIDE CIS CHRYSANTHEMIQUE

d'Angelo, Jean,Revial, Gilbert

, p. 2103 - 2106 (1983)

A simple, efficient approach of racemic cis chrysanthemic acid 2, an intermediate in the synthesis of the exceptionally potent insecticide Deltamethrine 1, is described.The key-intermediate of this approach was the 2,2,5,5-tetramethylcyclohexane 1,4-dione 5 which has been related to the lactone 3, a precursor of 2, in four steps (70 percent overall yield).

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