128376-90-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128376-90-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,3,7 and 6 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 128376-90:
(8*1)+(7*2)+(6*8)+(5*3)+(4*7)+(3*6)+(2*9)+(1*0)=149
149 % 10 = 9
So 128376-90-9 is a valid CAS Registry Number.
InChI:InChI=1/C65H121NO22/c1-3-5-7-9-11-13-15-17-18-19-20-21-22-23-24-26-28-30-32-34-36-38-50(72)66-44(45(70)37-35-33-31-29-27-25-16-14-12-10-8-6-4-2)42-81-62-58(80)55(77)59(49(41-69)85-62)86-65-61(88-63-56(78)51(73)46(71)43-82-63)60(53(75)48(40-68)84-65)87-64-57(79)54(76)52(74)47(39-67)83-64/h35,37,44-49,51-65,67-71,73-80H,3-34,36,38-43H2,1-2H3,(H,66,72)/b37-35+