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99948-80-8

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99948-80-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99948-80-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,9,4 and 8 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 99948-80:
(7*9)+(6*9)+(5*9)+(4*4)+(3*8)+(2*8)+(1*0)=218
218 % 10 = 8
So 99948-80-8 is a valid CAS Registry Number.
InChI:InChI=1/C20H23NO4.H3O4P/c1-22-17-6-5-13(10-18(17)23-2)9-16-15-12-20(25-4)19(24-3)11-14(15)7-8-21-16;1-5(2,3)4/h5-6,10-12H,7-9H2,1-4H3;(H3,1,2,3,4)/p-2

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