312275-45-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 312275-45-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,2,2,7 and 5 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 312275-45:
(8*3)+(7*1)+(6*2)+(5*2)+(4*7)+(3*5)+(2*4)+(1*5)=109
109 % 10 = 9
So 312275-45-9 is a valid CAS Registry Number.