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169900-23-6

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169900-23-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 169900-23-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,9,9,0 and 0 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 169900-23:
(8*1)+(7*6)+(6*9)+(5*9)+(4*0)+(3*0)+(2*2)+(1*3)=156
156 % 10 = 6
So 169900-23-6 is a valid CAS Registry Number.

169900-23-6Upstream product

169900-23-6Relevant articles and documents

Oxidative degradation of eicosapentaenoic acid into polyunsaturated aldehydes

Holmeide, Anne Kristin,Skatteb?l, Lars

, p. 7157 - 7162 (2007/10/03)

Eicosapentaenoic acid is converted in good overall yield to an α,β-ethylenic epoxide derivative. The oxidative cleavage of the epoxide ring with periodic acid in ether proceeded in part with acid-catalyzed rearrangement of the vinyl epoxide moiety prior to cleavage. Among the products were 2E- and 2Z, 5Z, 8Z, 11Z-tetradecatetraenal, 4-hydroxy-2E,6Z,9Z,12Z-pentadecatetraenal and (all-Z)-2-methoxy-3,6,9,12-pentadecatetraenal.

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