197571-58-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 197571-58-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,7,5,7 and 1 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 197571-58:
(8*1)+(7*9)+(6*7)+(5*5)+(4*7)+(3*1)+(2*5)+(1*8)=187
187 % 10 = 7
So 197571-58-7 is a valid CAS Registry Number.