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140869-67-6

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140869-67-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 140869-67-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,8,6 and 9 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 140869-67:
(8*1)+(7*4)+(6*0)+(5*8)+(4*6)+(3*9)+(2*6)+(1*7)=146
146 % 10 = 6
So 140869-67-6 is a valid CAS Registry Number.

140869-67-6Downstream Products

140869-67-6Relevant articles and documents

Dithio and Thiono Esters, 56. - Reaction of Thio Esters and Thio Amides with Azodicarboxylic Acid Derivatives

Hartke, Klaus,Brutsche, Andreas,Gerber, H.-D.

, p. 927 - 932 (2007/10/02)

Dithio and thiono esters 1 react with azodicarboxylates 3 to form the addition products 4 or the oxidation products 5 in varying ratios.With malonates, malonamides and dithionomalonates only the addition products 7 were obtained.N,N,N',N'-Tetramethyldithiomalonamide yields with azodicarboxylic acid derivatives 3 either the normal addition product 8, the β-elimination product 9 or N,N,N',N'-tetramethyltrithiomesoxalamide (10A), the first stable vicinal trithiocarbonyl compound.Key Words: Dithio Esters / Thiono Esters / Thioamides / Azodicarboxylates / Azodicarboxamides / Trithiomesoxalamides

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