32809-69-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 32809-69-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,2,8,0 and 9 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 32809-69:
(7*3)+(6*2)+(5*8)+(4*0)+(3*9)+(2*6)+(1*9)=121
121 % 10 = 1
So 32809-69-1 is a valid CAS Registry Number.