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216689-47-3

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216689-47-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 216689-47-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,6,6,8 and 9 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 216689-47:
(8*2)+(7*1)+(6*6)+(5*6)+(4*8)+(3*9)+(2*4)+(1*7)=163
163 % 10 = 3
So 216689-47-3 is a valid CAS Registry Number.

216689-47-3Relevant articles and documents

Stereoselective synthesis of (E)-chloroenynes or (E,E)-chlorodienes starting from a stereoisomeric mixture of 1,2-dichloroethylenes

Alami, Mouad,Peyrat, Jean-Fran?ois,Brion, Jean-Daniel

, p. 3007 - 3009 (2002)

Under palladium or nickel catalysis, a stereomeric mixture 1:1 of (Z) and (E)-1,2-dichloroethylene readily reacts with 1-alkynes, vinyl alanes or vinyl boranes to afford selectively the corresponding (E)-coupling product in good to excellent isolated yiel

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