149420-77-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 149420-77-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,9,4,2 and 0 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 149420-77:
(8*1)+(7*4)+(6*9)+(5*4)+(4*2)+(3*0)+(2*7)+(1*7)=139
139 % 10 = 9
So 149420-77-9 is a valid CAS Registry Number.
InChI:InChI=1/C44H60N4O13/c1-26(17-18-36(53)27(2)37(55-6)15-11-19-48(5)25-49)38(56-7)21-39-28(3)34(51)14-10-16-40-45-32(23-58-40)43-47-33(24-60-43)44-46-31(22-59-44)42(57-8)29(4)35(52)13-9-12-30(50)20-41(54)61-39/h9-11,13,16,19,22-30,34,37-39,42,50-51H,12,14-15,17-18,20-21H2,1-8H3/b13-9+,16-10-,19-11+