69199-65-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 69199-65-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,1,9 and 9 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 69199-65:
(7*6)+(6*9)+(5*1)+(4*9)+(3*9)+(2*6)+(1*5)=181
181 % 10 = 1
So 69199-65-1 is a valid CAS Registry Number.