169771-22-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 169771-22-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,9,7,7 and 1 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 169771-22:
(8*1)+(7*6)+(6*9)+(5*7)+(4*7)+(3*1)+(2*2)+(1*2)=176
176 % 10 = 6
So 169771-22-6 is a valid CAS Registry Number.