182313-42-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 182313-42-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,2,3,1 and 3 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 182313-42:
(8*1)+(7*8)+(6*2)+(5*3)+(4*1)+(3*3)+(2*4)+(1*2)=114
114 % 10 = 4
So 182313-42-4 is a valid CAS Registry Number.