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1,2,3,4,7,7-Hexachlor-5-<2,4,6-trichlor-phenoxy>-bicyclo-<2,2,1>hepten-(2) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

91693-16-2

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91693-16-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91693-16-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,6,9 and 3 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 91693-16:
(7*9)+(6*1)+(5*6)+(4*9)+(3*3)+(2*1)+(1*6)=152
152 % 10 = 2
So 91693-16-2 is a valid CAS Registry Number.

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