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143769-80-6

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143769-80-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 143769-80-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,7,6 and 9 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 143769-80:
(8*1)+(7*4)+(6*3)+(5*7)+(4*6)+(3*9)+(2*8)+(1*0)=156
156 % 10 = 6
So 143769-80-6 is a valid CAS Registry Number.

143769-80-6Downstream Products

143769-80-6Relevant articles and documents

Synthesis of 1,2,4,5-tetrahydro-3,2-benzothiazepine 3,3-dioxides using Amberlyst-15

Sasiambarrena, Leandro D.,Canepa, Alicia S.,Bravo, Rodolfo D.

experimental part, p. 200 - 205 (2011/03/18)

A convenient method for the synthesis of 1,2,4,5-tetrahydro-3,2- benzothiazepine 3,3-dioxides from 2-phenylethanesulfonamides and formaldehyde using Amberlyst resin as catalyst is described. Copyright Taylor & Francis Group, LLC.

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