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1,1'-dibenzoyl-1,2,1',2'-tetrahydro-[6,6']biquinolyl-2,2'-dicarbonitrile is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

855253-33-7

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855253-33-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 855253-33-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,5,2,5 and 3 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 855253-33:
(8*8)+(7*5)+(6*5)+(5*2)+(4*5)+(3*3)+(2*3)+(1*3)=177
177 % 10 = 7
So 855253-33-7 is a valid CAS Registry Number.

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