154445-77-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 154445-77-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,4,4,4 and 5 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 154445-77:
(8*1)+(7*5)+(6*4)+(5*4)+(4*4)+(3*5)+(2*7)+(1*7)=139
139 % 10 = 9
So 154445-77-9 is a valid CAS Registry Number.
InChI:InChI=1/C34H40N4O7S/c1-19-20(2)30(21(3)29-26(19)17-34(4,5)45-29)46(42,43)38-32(35)36-16-10-15-28(31(39)40)37-33(41)44-18-27-24-13-8-6-11-22(24)23-12-7-9-14-25(23)27/h6-9,11-14,27-28H,10,15-18H2,1-5H3,(H,37,41)(H,39,40)(H3,35,36,38)/t28-/m1/s1