1843-82-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1843-82-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,8,4 and 3 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1843-82:
(6*1)+(5*8)+(4*4)+(3*3)+(2*8)+(1*2)=89
89 % 10 = 9
So 1843-82-9 is a valid CAS Registry Number.
InChI:InChI=1/C14H21NO4/c1-10(2)15-8-11(16)9-19-13-5-3-4-12-14(13)18-7-6-17-12/h3-5,10-11,15-16H,6-9H2,1-2H3