689746-32-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 689746-32-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,9,7,4 and 6 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 689746-32:
(8*6)+(7*8)+(6*9)+(5*7)+(4*4)+(3*6)+(2*3)+(1*2)=235
235 % 10 = 5
So 689746-32-5 is a valid CAS Registry Number.