68189-31-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68189-31-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,1,8 and 9 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 68189-31:
(7*6)+(6*8)+(5*1)+(4*8)+(3*9)+(2*3)+(1*1)=161
161 % 10 = 1
So 68189-31-1 is a valid CAS Registry Number.
InChI:InChI=1/C17H14N2O8S2/c18-11-3-1-2-9(4-11)17(21)19-14-7-12(28(22,23)24)5-10-6-13(29(25,26)27)8-15(20)16(10)14/h1-8,20H,18H2,(H,19,21)(H,22,23,24)(H,25,26,27)