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3,6,9,12,15-Pentakis-(toluene-4-sulfonyl)-3,6,9,12,15-pentaaza-bicyclo[15.3.1]henicosa-1(20),17(21),18-triene-21-carboxylic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

124199-97-9

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124199-97-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 124199-97-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,4,1,9 and 9 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 124199-97:
(8*1)+(7*2)+(6*4)+(5*1)+(4*9)+(3*9)+(2*9)+(1*7)=139
139 % 10 = 9
So 124199-97-9 is a valid CAS Registry Number.

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