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Benzoic acid, 3-fluoro-4-[(5,5,6,6,7,7,8,8,8-nonafluorooctyl)oxy]- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

668989-45-5

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668989-45-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 668989-45-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,8,9,8 and 9 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 668989-45:
(8*6)+(7*6)+(6*8)+(5*9)+(4*8)+(3*9)+(2*4)+(1*5)=255
255 % 10 = 5
So 668989-45-5 is a valid CAS Registry Number.

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