32909-83-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 32909-83-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,2,9,0 and 9 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 32909-83:
(7*3)+(6*2)+(5*9)+(4*0)+(3*9)+(2*8)+(1*3)=124
124 % 10 = 4
So 32909-83-4 is a valid CAS Registry Number.