19752-33-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19752-33-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,7,5 and 2 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 19752-33:
(7*1)+(6*9)+(5*7)+(4*5)+(3*2)+(2*3)+(1*3)=131
131 % 10 = 1
So 19752-33-1 is a valid CAS Registry Number.