1222-85-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1222-85-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,2,2 and 2 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1222-85:
(6*1)+(5*2)+(4*2)+(3*2)+(2*8)+(1*5)=51
51 % 10 = 1
So 1222-85-1 is a valid CAS Registry Number.