972-32-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 972-32-7 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,7 and 2 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 972-32:
(5*9)+(4*7)+(3*2)+(2*3)+(1*2)=87
87 % 10 = 7
So 972-32-7 is a valid CAS Registry Number.