312303-50-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 312303-50-7 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 3 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 312303-50:
(8*3)+(7*1)+(6*2)+(5*3)+(4*0)+(3*3)+(2*5)+(1*0)=77
77 % 10 = 7
So 312303-50-7 is a valid CAS Registry Number.