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189569-52-6

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189569-52-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 189569-52-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,5,6 and 9 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 189569-52:
(8*1)+(7*8)+(6*9)+(5*5)+(4*6)+(3*9)+(2*5)+(1*2)=206
206 % 10 = 6
So 189569-52-6 is a valid CAS Registry Number.

189569-52-6Downstream Products

189569-52-6Relevant articles and documents

Highly regioselective palladium-Catalyzed oxidative coupling of indolizines and vinylarenes via C-H bond cleavage

Yang, Yuzhu,Cheng, Kal,Zhang, Yuhong

supporting information; experimental part, p. 5606 - 5609 (2010/03/02)

[Chemical Equation Presented] A highly regloselective oxidative coupling reaction between indolizines and vinylarenes has been accomplished In the presence of palladium catalysts to give only the branched α-product In high efficiency. The regioselectivity Is promoted significantly by bidentate nitrogen Uganda.

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