1823893-12-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1823893-12-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,8,2,3,8,9 and 3 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1823893-12:
(9*1)+(8*8)+(7*2)+(6*3)+(5*8)+(4*9)+(3*3)+(2*1)+(1*2)=194
194 % 10 = 4
So 1823893-12-4 is a valid CAS Registry Number.