74839-01-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74839-01-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,8,3 and 9 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 74839-01:
(7*7)+(6*4)+(5*8)+(4*3)+(3*9)+(2*0)+(1*1)=153
153 % 10 = 3
So 74839-01-3 is a valid CAS Registry Number.