33889-22-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33889-22-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,8,8 and 9 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 33889-22:
(7*3)+(6*3)+(5*8)+(4*8)+(3*9)+(2*2)+(1*2)=144
144 % 10 = 4
So 33889-22-4 is a valid CAS Registry Number.
InChI:InChI=1/C43H56N2O14/c1-17-14-29(47)24-15-25(24)36(50)19(3)35(49)20(4)39(58-23(7)46)18(2)30(55-9)12-13-56-43(8)41(53)34-32-27(44-26-10-11-31(48)57-22(26)6)16-28(45-42(17)54)38(52)33(32)37(51)21(5)40(34)59-43/h12-14,16,18-20,22,24-26,30-31,35-36,39,44,48-52H,10-11,15H2,1-9H3,(H,45,54)/b13-12+,17-14-