193966-39-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 193966-39-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,3,9,6 and 6 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 193966-39:
(8*1)+(7*9)+(6*3)+(5*9)+(4*6)+(3*6)+(2*3)+(1*9)=191
191 % 10 = 1
So 193966-39-1 is a valid CAS Registry Number.