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81040-68-8

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81040-68-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81040-68-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,0,4 and 0 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 81040-68:
(7*8)+(6*1)+(5*0)+(4*4)+(3*0)+(2*6)+(1*8)=98
98 % 10 = 8
So 81040-68-8 is a valid CAS Registry Number.
InChI:InChI=1/C11H12N2O5/c12-9(6-1-3-7(15)4-2-6)10(16)13-8(5-14)11(17)18/h1-5,8-9,15H,12H2,(H,13,16)(H,17,18)/t8-,9-/m0/s1

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