18623-52-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18623-52-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,6,2 and 3 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 18623-52:
(7*1)+(6*8)+(5*6)+(4*2)+(3*3)+(2*5)+(1*2)=114
114 % 10 = 4
So 18623-52-4 is a valid CAS Registry Number.