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109802-94-0

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109802-94-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109802-94-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,8,0 and 2 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 109802-94:
(8*1)+(7*0)+(6*9)+(5*8)+(4*0)+(3*2)+(2*9)+(1*4)=130
130 % 10 = 0
So 109802-94-0 is a valid CAS Registry Number.

109802-94-0Downstream Products

109802-94-0Relevant articles and documents

The use of metal reagents in stereo- and regioselective functionalizations of conjugated dienes

Baeckval, Jan-E

, p. 665 - 670 (2007/10/02)

Conjugated dienes have been selectively functionalized via 1-acetoxy-4-chloro-2-alkenes and via 2-(phenylsulfonyl)-1,3-dienes.In both these approaches nucleophiles can be added to the 1- and 4-positions.It was shown that also non-stabilized carbon nucleophiles (from cuprates or copper(I)-catalyzed Grignard reactions) can be used.The utility of the functionalizations was demonstrated by the syntheses of a marine natural product and a butterfly pheromone.Finally, the 2-(phenyl-sulfonyl)-1,3-dienes show a dual electron demand in Diels-Alder reactions and give cycloadducts with both electron-rich and electron-deficient olefins.

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