12281-47-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 12281-47-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,2,8 and 1 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 12281-47:
(7*1)+(6*2)+(5*2)+(4*8)+(3*1)+(2*4)+(1*7)=79
79 % 10 = 9
So 12281-47-9 is a valid CAS Registry Number.