312306-11-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 312306-11-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,2,3,0 and 6 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 312306-11:
(8*3)+(7*1)+(6*2)+(5*3)+(4*0)+(3*6)+(2*1)+(1*1)=79
79 % 10 = 9
So 312306-11-9 is a valid CAS Registry Number.