123418-41-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 123418-41-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,4,1 and 8 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 123418-41:
(8*1)+(7*2)+(6*3)+(5*4)+(4*1)+(3*8)+(2*4)+(1*1)=97
97 % 10 = 7
So 123418-41-7 is a valid CAS Registry Number.