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Phenol, 2,2'-[1,2-phenylenebis(methylene-1H-pyrazole-1,3-diyl)]bis- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

402498-33-3

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402498-33-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 402498-33-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,2,4,9 and 8 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 402498-33:
(8*4)+(7*0)+(6*2)+(5*4)+(4*9)+(3*8)+(2*3)+(1*3)=133
133 % 10 = 3
So 402498-33-3 is a valid CAS Registry Number.

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