32121-58-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 32121-58-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,2,1,2 and 1 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 32121-58:
(7*3)+(6*2)+(5*1)+(4*2)+(3*1)+(2*5)+(1*8)=67
67 % 10 = 7
So 32121-58-7 is a valid CAS Registry Number.