19685-39-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19685-39-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,6,8 and 5 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 19685-39:
(7*1)+(6*9)+(5*6)+(4*8)+(3*5)+(2*3)+(1*9)=153
153 % 10 = 3
So 19685-39-3 is a valid CAS Registry Number.