92720-27-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 92720-27-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,2,7,2 and 0 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 92720-27:
(7*9)+(6*2)+(5*7)+(4*2)+(3*0)+(2*2)+(1*7)=129
129 % 10 = 9
So 92720-27-9 is a valid CAS Registry Number.