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139269-62-8

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139269-62-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139269-62-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,2,6 and 9 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 139269-62:
(8*1)+(7*3)+(6*9)+(5*2)+(4*6)+(3*9)+(2*6)+(1*2)=158
158 % 10 = 8
So 139269-62-8 is a valid CAS Registry Number.

139269-62-8Relevant articles and documents

EFFICIENT SYNTHESIS OF 3E,13Z-OCTADECADIENOL, ITS ACETATE, 4E,6E,11Z-HECADECATRIENAL, AND 4E,6E,11Z-HEXADECATRIENYL ACETATE, SEX PHEROMONES OF SOME LEPIDOPTERAN SPECIES

Ivanova, N. M.,Cheskis, B. A.,Moiseenkov, A. M.,Nefedov, O. M.

, p. 2196 - 2204 (1991)

The title linear acetogenins have been synthesized by a strategy of joining acetylcyclopropane to 8Z-tridecenol or 5Z-decenol prepared after Julia, leading to the corresponding secondary cyclopropylcarbinols.The ZnBr2/Me3SiBr-initiated homoallylic rearrangement of the latter assures at a key step the stereospecific construction of transoid fragments of the target molecules.

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