312623-89-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 312623-89-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,2,6,2 and 3 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 312623-89:
(8*3)+(7*1)+(6*2)+(5*6)+(4*2)+(3*3)+(2*8)+(1*9)=115
115 % 10 = 5
So 312623-89-5 is a valid CAS Registry Number.