329972-28-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 329972-28-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,9,9,7 and 2 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 329972-28:
(8*3)+(7*2)+(6*9)+(5*9)+(4*7)+(3*2)+(2*2)+(1*8)=183
183 % 10 = 3
So 329972-28-3 is a valid CAS Registry Number.