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438216-68-3

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438216-68-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 438216-68-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,8,2,1 and 6 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 438216-68:
(8*4)+(7*3)+(6*8)+(5*2)+(4*1)+(3*6)+(2*6)+(1*8)=153
153 % 10 = 3
So 438216-68-3 is a valid CAS Registry Number.
InChI:InChI=1/C18H15NO2/c1-11-4-3-5-13(8-11)17-10-15(18(20)21)14-9-12(2)6-7-16(14)19-17/h3-10H,1-2H3,(H,20,21)

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