58993-56-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 58993-56-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,8,9,9 and 3 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 58993-56:
(7*5)+(6*8)+(5*9)+(4*9)+(3*3)+(2*5)+(1*6)=189
189 % 10 = 9
So 58993-56-9 is a valid CAS Registry Number.