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trans-2-Fluor-2-chlor-1-(4-fluor-phenyl)-ethylen is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

16630-04-9

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16630-04-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 16630-04-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,6,3 and 0 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 16630-04:
(7*1)+(6*6)+(5*6)+(4*3)+(3*0)+(2*0)+(1*4)=89
89 % 10 = 9
So 16630-04-9 is a valid CAS Registry Number.

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