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128864-40-4

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128864-40-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128864-40-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,8,6 and 4 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 128864-40:
(8*1)+(7*2)+(6*8)+(5*8)+(4*6)+(3*4)+(2*4)+(1*0)=154
154 % 10 = 4
So 128864-40-4 is a valid CAS Registry Number.

128864-40-4Downstream Products

128864-40-4Relevant articles and documents

Regioselective synthesis of [1,2,3]-triazoles catalyzed by Cu(I) generated in situ from Cu(0) nanosize activated powder and amine hydrochloride salts

Orgueira, Hernán A.,Fokas, Demosthenes,Isome, Yuko,Chan, Philip C.-M.,Baldino, Carmen M.

, p. 2911 - 2914 (2005)

A straightforward and efficient method for the regioselective synthesis of functionalized 1,4-disubstituted [1,2,3]-triazoles, from terminal alkynes and azides, has been established utilizing Cu(0) as the source of the catalytic species. The presumed cata

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