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1-bromo-1,2,3,4,5,-penta-p-tolylcyclopenta-2,4-diene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

16664-62-3

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16664-62-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 16664-62-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,6,6 and 4 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 16664-62:
(7*1)+(6*6)+(5*6)+(4*6)+(3*4)+(2*6)+(1*2)=123
123 % 10 = 3
So 16664-62-3 is a valid CAS Registry Number.
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