72716-71-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72716-71-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,7,1 and 6 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 72716-71:
(7*7)+(6*2)+(5*7)+(4*1)+(3*6)+(2*7)+(1*1)=133
133 % 10 = 3
So 72716-71-3 is a valid CAS Registry Number.
InChI:InChI=1/C12H10N4O5/c17-11-8(5-13-12(14-11)15-16(18)19)3-7-1-2-9-10(4-7)21-6-20-9/h1-2,4-5H,3,6H2,(H2,13,14,15,17)