81925-19-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81925-19-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,9,2 and 5 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 81925-19:
(7*8)+(6*1)+(5*9)+(4*2)+(3*5)+(2*1)+(1*9)=141
141 % 10 = 1
So 81925-19-1 is a valid CAS Registry Number.