32658-81-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 32658-81-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,2,6,5 and 8 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 32658-81:
(7*3)+(6*2)+(5*6)+(4*5)+(3*8)+(2*8)+(1*1)=124
124 % 10 = 4
So 32658-81-4 is a valid CAS Registry Number.