30271-63-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 30271-63-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,2,7 and 1 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 30271-63:
(7*3)+(6*0)+(5*2)+(4*7)+(3*1)+(2*6)+(1*3)=77
77 % 10 = 7
So 30271-63-7 is a valid CAS Registry Number.