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4a-((E)-2-Bromo-2-phenyl-vinyl)-1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8a-heptadecafluoro-decahydro-naphthalene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

128454-99-9

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128454-99-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128454-99-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,4,5 and 4 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 128454-99:
(8*1)+(7*2)+(6*8)+(5*4)+(4*5)+(3*4)+(2*9)+(1*9)=149
149 % 10 = 9
So 128454-99-9 is a valid CAS Registry Number.

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