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6b,12-Diphenyl-6bH-benzo[k]fluoranthen-7-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

13238-74-9

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13238-74-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13238-74-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,2,3 and 8 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 13238-74:
(7*1)+(6*3)+(5*2)+(4*3)+(3*8)+(2*7)+(1*4)=89
89 % 10 = 9
So 13238-74-9 is a valid CAS Registry Number.

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