74169-86-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74169-86-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,1,6 and 9 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 74169-86:
(7*7)+(6*4)+(5*1)+(4*6)+(3*9)+(2*8)+(1*6)=151
151 % 10 = 1
So 74169-86-1 is a valid CAS Registry Number.