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137460-88-9

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137460-88-9 Usage

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Check Digit Verification of cas no

The CAS Registry Mumber 137460-88-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,4,6 and 0 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 137460-88:
(8*1)+(7*3)+(6*7)+(5*4)+(4*6)+(3*0)+(2*8)+(1*8)=139
139 % 10 = 9
So 137460-88-9 is a valid CAS Registry Number.
InChI:InChI=1/C20H20N2O2/c1-15(20(23)24-2)17-9-6-10-18(13-17)19(22-12-11-21-14-22)16-7-4-3-5-8-16/h3-15,19H,1-2H3

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