920979-25-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 920979-25-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,2,0,9,7 and 9 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 920979-25:
(8*9)+(7*2)+(6*0)+(5*9)+(4*7)+(3*9)+(2*2)+(1*5)=195
195 % 10 = 5
So 920979-25-5 is a valid CAS Registry Number.