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86652-97-3

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86652-97-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 86652-97-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,6,6,5 and 2 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 86652-97:
(7*8)+(6*6)+(5*6)+(4*5)+(3*2)+(2*9)+(1*7)=173
173 % 10 = 3
So 86652-97-3 is a valid CAS Registry Number.

86652-97-3Relevant articles and documents

SYNTHESES A L'AIDE DE SULFONES (XXXVII). SYNTHESE DE TROIS PHEROMONES A UNE DOUBLE LIAISON Z : Z, 8-DDA; Z, 9-DDA; Z, 9-TDA.

Julia, Marc,Stacino, Jean-Pierre

, p. 2469 - 2474 (1986)

The title compounds Z,8-dodecen-1yl acetate, Z,9-dodecen-1yl acetate and Z,9-tetradecen-1yl-acetate have been synthesized in three efficient steps: the reaction mixture from metalated ω-hydroxy sulfones and appropriate aldehydes was quenched with acetic anhydride yielding a diastereoisomeric mixture of β-acetoxy sulfones.Convergent elimination with powdered sodium hydroxide led to the E vinylic sulfone.Stereospecific hydrogenolysis of the sulfonyl group was carried out with sodium dithionite leading to the unsaturated alcohol (> 99percent Z).

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