18306-41-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18306-41-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,3,0 and 6 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 18306-41:
(7*1)+(6*8)+(5*3)+(4*0)+(3*6)+(2*4)+(1*1)=97
97 % 10 = 7
So 18306-41-7 is a valid CAS Registry Number.