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218941-41-4

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218941-41-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 218941-41-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,8,9,4 and 1 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 218941-41:
(8*2)+(7*1)+(6*8)+(5*9)+(4*4)+(3*1)+(2*4)+(1*1)=144
144 % 10 = 4
So 218941-41-4 is a valid CAS Registry Number.

218941-41-4Downstream Products

218941-41-4Relevant academic research and scientific papers

Aerobic, Cu-catalyzed desulfitative C-C bond-forming reaction of ketene dithioacetals/vinylogous thioesters and arylboronic acids

Dong, Ying,Wang, Mang,Liu, Jun,Ma, Wei,Liu, Qun

, p. 7380 - 7382 (2011)

A new Cu-catalyzed thioorganic-boronic acid desulfitative C-C bond-forming reaction involving ketene dithioacetals/ vinylogous thioesters is reported to proceed without the assistance of ligating S-pendant. Vinylogous thiolesters and tetrasubstituted olefins were prepared by this reaction in which Cu catalyst plays a dual role under aerobic conditions.

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