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39274-34-5

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39274-34-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 39274-34-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,2,7 and 4 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 39274-34:
(7*3)+(6*9)+(5*2)+(4*7)+(3*4)+(2*3)+(1*4)=135
135 % 10 = 5
So 39274-34-5 is a valid CAS Registry Number.

39274-34-5Downstream Products

39274-34-5Relevant articles and documents

Aromatic Substitution. 46. Methyl (Ethyl) Thio(Dithio)carboxylation of Aromatics with S-Methyl (S-Ethyl) Thiocarboxonium and Dithiocarboxonium Fluoroantimonates

Olah, George A.,Bruce, Mark R.,Clouet, Francoise L.

, p. 438 - 442 (2007/10/02)

S-Methyl(S-ethyl)thio(dithio)carboxinium ions were prepared by reacting methyl(ethyl) fluoride-antimony pentafluoride with carbonyl sulfide (carbon disulfide) and studied with 1H and 13C NMR spectroscopy.The ions were subsequently used in the novel carboxylation reaction of arenes to S-methyl (S-ethyl) thio(dithio)benzoates.The method was also found to be adaptable to the carboxylation of polystyrene to poly(styrenecarboxylic acid) without degradation of the polymer backbone.

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