58921-68-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 58921-68-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,8,9,2 and 1 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 58921-68:
(7*5)+(6*8)+(5*9)+(4*2)+(3*1)+(2*6)+(1*8)=159
159 % 10 = 9
So 58921-68-9 is a valid CAS Registry Number.