801216-34-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 801216-34-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,0,1,2,1 and 6 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 801216-34:
(8*8)+(7*0)+(6*1)+(5*2)+(4*1)+(3*6)+(2*3)+(1*4)=112
112 % 10 = 2
So 801216-34-2 is a valid CAS Registry Number.