911689-65-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 911689-65-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,1,6,8 and 9 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 911689-65:
(8*9)+(7*1)+(6*1)+(5*6)+(4*8)+(3*9)+(2*6)+(1*5)=191
191 % 10 = 1
So 911689-65-1 is a valid CAS Registry Number.