58248-20-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 58248-20-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,8,2,4 and 8 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 58248-20:
(7*5)+(6*8)+(5*2)+(4*4)+(3*8)+(2*2)+(1*0)=137
137 % 10 = 7
So 58248-20-7 is a valid CAS Registry Number.