920751-19-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 920751-19-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,2,0,7,5 and 1 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 920751-19:
(8*9)+(7*2)+(6*0)+(5*7)+(4*5)+(3*1)+(2*1)+(1*9)=155
155 % 10 = 5
So 920751-19-5 is a valid CAS Registry Number.