58999-84-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 58999-84-1 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 9 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 58999-84:
(7*5)+(6*8)+(5*9)+(4*9)+(3*9)+(2*8)+(1*4)=211
211 % 10 = 1
So 58999-84-1 is a valid CAS Registry Number.