142755-09-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 142755-09-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,7,5 and 5 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 142755-09:
(8*1)+(7*4)+(6*2)+(5*7)+(4*5)+(3*5)+(2*0)+(1*9)=127
127 % 10 = 7
So 142755-09-7 is a valid CAS Registry Number.
InChI:InChI=1/C31H28Br6N4O11/c1-48-24-16(34)5-30(26(44)21(24)36)7-18(40-51-30)28(46)38-9-13(42)11-50-23-14(32)3-12(4-15(23)33)20(43)10-39-29(47)19-8-31(52-41-19)6-17(35)25(49-2)22(37)27(31)45/h3-6,20,26-27,43-45H,7-11H2,1-2H3,(H,38,46)(H,39,47)