128236-34-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128236-34-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,2,3 and 6 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 128236-34:
(8*1)+(7*2)+(6*8)+(5*2)+(4*3)+(3*6)+(2*3)+(1*4)=120
120 % 10 = 0
So 128236-34-0 is a valid CAS Registry Number.
InChI:InChI=1/C22H22N6O9S2/c1-22(2,20(35)36)37-26-13(10-8-39-21(23)24-10)16(31)25-14-17(32)28-15(19(33)34)9(7-38-18(14)28)5-27-4-3-11(29)12(30)6-27/h3-4,6,8,14,18,30H,5,7H2,1-2H3,(H2,23,24)(H,25,31)(H,33,34)(H,35,36)/b26-13+/t14-,18-/m1/s1