1212238-56-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1212238-56-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,2,2,3 and 8 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1212238-56:
(9*1)+(8*2)+(7*1)+(6*2)+(5*2)+(4*3)+(3*8)+(2*5)+(1*6)=106
106 % 10 = 6
So 1212238-56-6 is a valid CAS Registry Number.