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128155-61-3

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128155-61-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128155-61-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,1,5 and 5 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 128155-61:
(8*1)+(7*2)+(6*8)+(5*1)+(4*5)+(3*5)+(2*6)+(1*1)=123
123 % 10 = 3
So 128155-61-3 is a valid CAS Registry Number.

128155-61-3Relevant articles and documents

Trithioorthoesters and Tetrathioorthocarbonates as RC(3+) and C(4+) Synthons. Nickel-Catalyzed Alkylative Olefination of Trithioorthoesters and Tetrathioorthocarbonates

Tzeng, Yih-Ling,Cheng, Wen-Lung,Luh, Tien-Yau

, p. 385 - 393 (2007/10/02)

NiCl2(PPh3)2-catalyzed alkylative olefinations of trithioorthoesters and tetrathioorthocarbonates give the corresponding substituted alkenes.Aliphatic C-S bonds in these substrates can be activated in the nickel-catalyzed cross coupling reaction leading to carbon-carbon bond formation.This reaction can be considered as using trithiorthoesters and tetrathioorthocarbonate as R3C(3+) and C(4+) synthons. - Keywords: Trithioorthoesters, Tetrathioorthocarbonate, Nickel-Catalyzed Alkylative Olefination, Synthons of RC(3+) and C(4+)

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