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28512-55-2

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28512-55-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 28512-55-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,5,1 and 2 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 28512-55:
(7*2)+(6*8)+(5*5)+(4*1)+(3*2)+(2*5)+(1*5)=112
112 % 10 = 2
So 28512-55-2 is a valid CAS Registry Number.
InChI:InChI=1/C28H16/c1-2-7-18-15-25-20(14-17(18)6-1)12-13-23-26-16-19-8-3-4-9-21(19)22-10-5-11-24(27(23)25)28(22)26/h1-16H

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