157381-54-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 157381-54-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,3,8 and 1 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 157381-54:
(8*1)+(7*5)+(6*7)+(5*3)+(4*8)+(3*1)+(2*5)+(1*4)=149
149 % 10 = 9
So 157381-54-9 is a valid CAS Registry Number.
InChI:InChI=1/C43H61N7O13/c1-20(2)14-29(46-41(60)35(50-38(57)32(44)21(3)4)25-16-26(51)18-27(52)17-25)37(56)45-28(15-24-12-10-9-11-13-24)36(55)42(61)49-34(23(7)8)40(59)48-33(22(5)6)39(58)47-30(43(62)63)19-31(53)54/h9-13,16-18,20-23,28-30,32-35,51-52H,14-15,19,44H2,1-8H3,(H,45,56)(H,46,60)(H,47,58)(H,48,59)(H,49,61)(H,50,57)(H,53,54)(H,62,63)/t28-,29+,30+,32+,33+,34+,35?/m1/s1