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7,9,18,20-Tetrakis-chloromethyl-6,7,9,10,17,18,20,21-octahydro-5,11,16,22-tetraoxa-8,19-dithia-dibenzo[a,j]cyclooctadecene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

98733-94-9

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98733-94-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98733-94-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,7,3 and 3 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 98733-94:
(7*9)+(6*8)+(5*7)+(4*3)+(3*3)+(2*9)+(1*4)=189
189 % 10 = 9
So 98733-94-9 is a valid CAS Registry Number.

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