1216-06-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1216-06-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,2,1 and 6 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1216-06:
(6*1)+(5*2)+(4*1)+(3*6)+(2*0)+(1*6)=44
44 % 10 = 4
So 1216-06-4 is a valid CAS Registry Number.