72553-50-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72553-50-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,5,5 and 3 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 72553-50:
(7*7)+(6*2)+(5*5)+(4*5)+(3*3)+(2*5)+(1*0)=125
125 % 10 = 5
So 72553-50-5 is a valid CAS Registry Number.