58996-81-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 58996-81-9 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 6 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 58996-81:
(7*5)+(6*8)+(5*9)+(4*9)+(3*6)+(2*8)+(1*1)=199
199 % 10 = 9
So 58996-81-9 is a valid CAS Registry Number.