169750-78-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 169750-78-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,9,7,5 and 0 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 169750-78:
(8*1)+(7*6)+(6*9)+(5*7)+(4*5)+(3*0)+(2*7)+(1*8)=181
181 % 10 = 1
So 169750-78-1 is a valid CAS Registry Number.