652972-11-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 652972-11-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,5,2,9,7 and 2 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 652972-11:
(8*6)+(7*5)+(6*2)+(5*9)+(4*7)+(3*2)+(2*1)+(1*1)=177
177 % 10 = 7
So 652972-11-7 is a valid CAS Registry Number.