689225-44-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 689225-44-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,9,2,2 and 5 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 689225-44:
(8*6)+(7*8)+(6*9)+(5*2)+(4*2)+(3*5)+(2*4)+(1*4)=203
203 % 10 = 3
So 689225-44-3 is a valid CAS Registry Number.