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(6aR,6bR,12bR,12cR)-6a,6b,12b,12c-Tetrahydro-5,8-dioxa-dibenzo[a,i]biphenylene-6,7-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

89615-28-1

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89615-28-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89615-28-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,6,1 and 5 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 89615-28:
(7*8)+(6*9)+(5*6)+(4*1)+(3*5)+(2*2)+(1*8)=171
171 % 10 = 1
So 89615-28-1 is a valid CAS Registry Number.

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