143873-68-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 143873-68-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,8,7 and 3 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 143873-68:
(8*1)+(7*4)+(6*3)+(5*8)+(4*7)+(3*3)+(2*6)+(1*8)=151
151 % 10 = 1
So 143873-68-1 is a valid CAS Registry Number.
InChI:InChI=1/C12H17NO4/c1-12(16,7-5-3-2-4-6-7)10-8(13)9(14)11(15)17-10/h2-6,8-11,14-16H,13H2,1H3