693286-72-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 693286-72-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,3,2,8 and 6 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 693286-72:
(8*6)+(7*9)+(6*3)+(5*2)+(4*8)+(3*6)+(2*7)+(1*2)=205
205 % 10 = 5
So 693286-72-5 is a valid CAS Registry Number.