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1505-98-2

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1505-98-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1505-98-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,5,0 and 5 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1505-98:
(6*1)+(5*5)+(4*0)+(3*5)+(2*9)+(1*8)=72
72 % 10 = 2
So 1505-98-2 is a valid CAS Registry Number.
InChI:InChI=1/C20H26N2O/c1-20(19(21)23,12-15-22-13-5-2-6-14-22)18-11-7-9-16-8-3-4-10-17(16)18/h3-4,7-11H,2,5-6,12-15H2,1H3,(H2,21,23)

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