92421-83-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 92421-83-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,2,4,2 and 1 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 92421-83:
(7*9)+(6*2)+(5*4)+(4*2)+(3*1)+(2*8)+(1*3)=125
125 % 10 = 5
So 92421-83-5 is a valid CAS Registry Number.