138749-62-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 138749-62-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,7,4 and 9 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 138749-62:
(8*1)+(7*3)+(6*8)+(5*7)+(4*4)+(3*9)+(2*6)+(1*2)=169
169 % 10 = 9
So 138749-62-9 is a valid CAS Registry Number.
InChI:InChI=1/C40H56N12O8/c1-20(2)11-32(40(59)60)51-38(57)31(14-26-17-43-19-46-26)49-34(53)22(5)48-39(58)33(21(3)4)52-35(54)23(6)47-37(56)30(12-24-15-44-29-10-8-7-9-27(24)29)50-36(55)28(41)13-25-16-42-18-45-25/h7-10,15-23,28,30-33,44H,11-14,41H2,1-6H3,(H,42,45)(H,43,46)(H,47,56)(H,48,58)(H,49,53)(H,50,55)(H,51,57)(H,52,54)(H,59,60)/t22-,23-,28-,30-,31-,32-,33-/m0/s1