1219-83-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1219-83-6 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 9 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1219-83:
(6*1)+(5*2)+(4*1)+(3*9)+(2*8)+(1*3)=66
66 % 10 = 6
So 1219-83-6 is a valid CAS Registry Number.