156039-69-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 156039-69-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,0,3 and 9 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 156039-69:
(8*1)+(7*5)+(6*6)+(5*0)+(4*3)+(3*9)+(2*6)+(1*9)=139
139 % 10 = 9
So 156039-69-9 is a valid CAS Registry Number.
InChI:InChI=1/C21H23NO4S/c1-14(16-9-5-3-6-10-16)18(19(23)22-15(2)20(24)25)13-27-21(26)17-11-7-4-8-12-17/h3-12,14-15,18H,13H2,1-2H3,(H,22,23)(H,24,25)/t14-,15-,18-/m0/s1