71030-40-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71030-40-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,0,3 and 0 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 71030-40:
(7*7)+(6*1)+(5*0)+(4*3)+(3*0)+(2*4)+(1*0)=75
75 % 10 = 5
So 71030-40-5 is a valid CAS Registry Number.