16807-58-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16807-58-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,8,0 and 7 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 16807-58:
(7*1)+(6*6)+(5*8)+(4*0)+(3*7)+(2*5)+(1*8)=122
122 % 10 = 2
So 16807-58-2 is a valid CAS Registry Number.