313485-99-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 313485-99-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,3,4,8 and 5 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 313485-99:
(8*3)+(7*1)+(6*3)+(5*4)+(4*8)+(3*5)+(2*9)+(1*9)=143
143 % 10 = 3
So 313485-99-3 is a valid CAS Registry Number.