69885-51-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 69885-51-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,8,8 and 5 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 69885-51:
(7*6)+(6*9)+(5*8)+(4*8)+(3*5)+(2*5)+(1*1)=194
194 % 10 = 4
So 69885-51-4 is a valid CAS Registry Number.