139026-55-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139026-55-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,0,2 and 6 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 139026-55:
(8*1)+(7*3)+(6*9)+(5*0)+(4*2)+(3*6)+(2*5)+(1*5)=124
124 % 10 = 4
So 139026-55-4 is a valid CAS Registry Number.
InChI:InChI=1/C21H35N7O4/c1-3-12(2)17(18(23)30)28-20(32)16(5-4-10-26-21(24)25)27-19(31)15(22)11-13-6-8-14(29)9-7-13/h6-9,12,15-17,29H,3-5,10-11,22H2,1-2H3,(H2,23,30)(H,27,31)(H,28,32)(H4,24,25,26)/t12-,15-,16-,17-/m0/s1