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5-Hydroxy-isophthalic acid bis-(9,10-dioxo-9,10-dihydro-anthracen-2-ylmethyl) ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

219966-00-4

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219966-00-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 219966-00-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,9,6 and 6 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 219966-00:
(8*2)+(7*1)+(6*9)+(5*9)+(4*6)+(3*6)+(2*0)+(1*0)=164
164 % 10 = 4
So 219966-00-4 is a valid CAS Registry Number.

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