99397-58-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99397-58-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,3,9 and 7 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 99397-58:
(7*9)+(6*9)+(5*3)+(4*9)+(3*7)+(2*5)+(1*8)=207
207 % 10 = 7
So 99397-58-7 is a valid CAS Registry Number.