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243984-68-1

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243984-68-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 243984-68-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,3,9,8 and 4 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 243984-68:
(8*2)+(7*4)+(6*3)+(5*9)+(4*8)+(3*4)+(2*6)+(1*8)=171
171 % 10 = 1
So 243984-68-1 is a valid CAS Registry Number.

243984-68-1Downstream Products

243984-68-1Relevant articles and documents

Synthesis of methyl 3-amino-4-aryl(or methyl)sulfonyl-2- thiophenecarboxylates from 3-alkoxy-2-aryl(or methyl)-sulfonylacrylonitriles

Stephens, Chad E.,Price, Matthew B.,Sowell Sr., J. Walter

, p. 659 - 665 (2007/10/03)

The synthesis of a series of methyl 3-amino-4-aryl(or methyl)sulfonylthiophene-2-carboxylates by reaction of 3-alkoxy-2-aryl(or methyl)sulfonylacrylonitriles with methyl thioglycolate in the presence of triethylamine is described. Hydrolysis/decarboxylati

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