81401-30-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81401-30-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,4,0 and 1 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 81401-30:
(7*8)+(6*1)+(5*4)+(4*0)+(3*1)+(2*3)+(1*0)=91
91 % 10 = 1
So 81401-30-1 is a valid CAS Registry Number.