139573-33-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139573-33-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,5,7 and 3 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 139573-33:
(8*1)+(7*3)+(6*9)+(5*5)+(4*7)+(3*3)+(2*3)+(1*3)=154
154 % 10 = 4
So 139573-33-4 is a valid CAS Registry Number.