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1.4-Bis-<4-carboxy-phenyl>-1.2.3.4-tetrachlor-1.2.3.4-tetrafluor-butan is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

20799-67-1

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20799-67-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20799-67-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,7,9 and 9 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 20799-67:
(7*2)+(6*0)+(5*7)+(4*9)+(3*9)+(2*6)+(1*7)=131
131 % 10 = 1
So 20799-67-1 is a valid CAS Registry Number.
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