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4,4',4''-Trimethyl-trityl is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

22206-55-9

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22206-55-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 22206-55-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,2,0 and 6 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 22206-55:
(7*2)+(6*2)+(5*2)+(4*0)+(3*6)+(2*5)+(1*5)=69
69 % 10 = 9
So 22206-55-9 is a valid CAS Registry Number.

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