58665-17-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 58665-17-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,8,6,6 and 5 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 58665-17:
(7*5)+(6*8)+(5*6)+(4*6)+(3*5)+(2*1)+(1*7)=161
161 % 10 = 1
So 58665-17-1 is a valid CAS Registry Number.