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1308659-43-9

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1308659-43-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1308659-43-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,8,6,5 and 9 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1308659-43:
(9*1)+(8*3)+(7*0)+(6*8)+(5*6)+(4*5)+(3*9)+(2*4)+(1*3)=169
169 % 10 = 9
So 1308659-43-9 is a valid CAS Registry Number.

1308659-43-9Downstream Products

1308659-43-9Relevant articles and documents

Atom economy in the metathesis cross-coupling of alkenes and alkynes

Clark, Joseph R.,Diver, Steven T.

supporting information; experimental part, p. 2896 - 2899 (2011/07/29)

A cross ene-yne metathesis has been achieved at a nearly 1:1 stoichiometry of the unsaturated reactants. This allowed the use of more complex alkene reactants without sacrificing excess alkene reactant. In the alkene, different allylic oxygen protecting groups were explored. Interestingly, alkenes containing the allylic hydroxyl group proved to be the most reactive.

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