139663-56-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139663-56-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,6,6 and 3 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 139663-56:
(8*1)+(7*3)+(6*9)+(5*6)+(4*6)+(3*3)+(2*5)+(1*6)=162
162 % 10 = 2
So 139663-56-2 is a valid CAS Registry Number.
InChI:InChI=1/C45H60N4O14/c1-21-37-26(11-14-32(54)55)43(6,20-36(62)63)45(8,49-37)40-27(17-34(58)59)41(4,16-15-33(56)57)29(46-40)18-28-24(9-12-30(50)51)22(2)44(7,48-28)23(3)38-25(10-13-31(52)53)42(5,19-35(60)61)39(21)47-38/h18,23,26-27,40,46,49H,9-17,19-20H2,1-8H3,(H,50,51)(H,52,53)(H,54,55)(H,56,57)(H,58,59)(H,60,61)(H,62,63)/b29-18-,37-21-