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189170-16-9

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189170-16-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 189170-16-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,1,7 and 0 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 189170-16:
(8*1)+(7*8)+(6*9)+(5*1)+(4*7)+(3*0)+(2*1)+(1*6)=159
159 % 10 = 9
So 189170-16-9 is a valid CAS Registry Number.

189170-16-9Downstream Products

189170-16-9Relevant articles and documents

Sequenced Reactions with Samarium(II) Iodide. Domino Epoxide Ring-Opening/Ketyl Olefin Coupling Reactions

Molander, Gary A.,Losada, Carlos Del Pozo

, p. 2935 - 2943 (2007/10/03)

A new sequential reductive coupling process promoted by samarium(II) iodide is described. Cascade epoxide ring opening and ketyl radical olefin cyclization leads to a variety of cis-1,3-cyclopentanediols and cis-1,3-cyclohexanediols in good yields and with high diastereoselectivity.

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