30217-41-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 30217-41-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,2,1 and 7 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 30217-41:
(7*3)+(6*0)+(5*2)+(4*1)+(3*7)+(2*4)+(1*1)=65
65 % 10 = 5
So 30217-41-5 is a valid CAS Registry Number.