311315-71-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 311315-71-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,1,3,1 and 5 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 311315-71:
(8*3)+(7*1)+(6*1)+(5*3)+(4*1)+(3*5)+(2*7)+(1*1)=86
86 % 10 = 6
So 311315-71-6 is a valid CAS Registry Number.