19143-03-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19143-03-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,1,4 and 3 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 19143-03:
(7*1)+(6*9)+(5*1)+(4*4)+(3*3)+(2*0)+(1*3)=94
94 % 10 = 4
So 19143-03-4 is a valid CAS Registry Number.
InChI:InChI=1/C13H21NO4S2/c1-3-12(10-14-8-9-19-20(15,16)17)18-13-6-4-11(2)5-7-13/h4-7,12,14H,3,8-10H2,1-2H3,(H,15,16,17)