Paclitaxel EP Impurity E

Diterpenoids

NP1592

105454-04-4

Paclitaxel EP Impurity E

Paclitaxel EP Impurity E is an impurity of Paclitaxel, which is a mitotic inhibitor used in cancer chemotherapy.

4,10β-Bis(acetyloxy)-13α-[[(2R,3S)-3-benzamido-2-hydroxy-3-phenylpropanoyl]oxy]-1,7α-dihydroxy-9-oxo-5β,20-epoxytax-11-en-2α-yl benzoate; 7-epi-Paclitaxel; 7-Epipaclitaxel; 7-Epitaxol; 7-epi-Taxol; Epitaxol; Benzenepropanoic acid, β-(benzoylamino)-α-hydroxy-, (2aR,4R,4aS,6R,9S,11S,12S,12aR,12bS)-6,12b-bis(acetyloxy)-12-(benzoyloxy)-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-4,11-dihydroxy-4a,8,13,13-tetramethyl-5-oxo-7,11-methano-1H-cyclodeca[3,4]benz[1,2-b]oxet-9-yl ester, (αR,βS)-; Benzenepropanoic acid, β-(benzoylamino)-α-hydroxy-, 6,12b-bis(acetyloxy)-12-(benzoyloxy)-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-4,11-dihydroxy-4a,8,13,13-tetramethyl-5-oxo-7,11-methano-1H-cyclodeca[3,4]benz[1,2-b]oxet-9-yl ester, [2aR-[2aα,4α,4aβ,6β,9α(αR*,βS*),11α,12α,12aα,12bα]]-; (2aR,4R,4aS,6R,9S,11S,12S,12bS)-9-(((2R,3S)-3-Benzamido-2-hydroxy-3-phenylpropanoyl)oxy)-12-(benzoyloxy)-4,11-dihydroxy-4a,8,13,13-tetramethyl-5-oxo-3,4,4a,5,6,9,10,11,12,12a-decahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxete-6,12b(2aH)-diyl diacetate

[(1S,2S,3R,4S,7R,9R,10S,12R,15S)-4,12-diacetyloxy-15-[(2R,3S)-3-benzamido-2-hydroxy-3-phenylpropanoyl]oxy-1,9-dihydroxy-10,14,17,17-tetramethyl-11-oxo-6-oxatetracyclo[11.3.1.03,10.04,7]heptadec-13-en-2-yl] benzoate

853.91

C47H51NO14

CC1=C2C(C(=O)C3(C(CC4C(C3C(C(C2(C)C)(CC1OC(=O)C(C(C5=CC=CC=C5)NC(=O)C6=CC=CC=C6)O)O)OC(=O)C7=CC=CC=C7)(CO4)OC(=O)C)O)C)OC(=O)C

InChI=1S/C47H51NO14/c1-25-31(60-43(56)36(52)35(28-16-10-7-11-17-28)48-41(54)29-18-12-8-13-19-29)23-47(57)40(61-42(55)30-20-14-9-15-21-30)38-45(6,32(51)22-33-46(38,24-58-33)62-27(3)50)39(53)37(59-26(2)49)34(25)44(47,4)5/h7-21,31-33,35-38,40,51-52,57H,22-24H2,1-6H3,(H,48,54)/t31-,32+,33+,35-,36+,37+,38-,40-,45+,46-,47+/m0/s1

RCINICONZNJXQF-LYTKHFMESA-N

957.1±65.0°C at 760 mmHg

>168°C (dec.)

>98%

1.39±0.1 g/cm3

Soluble in Chloroform (Slightly), Methanol (Slightly)

White to Pale Yellow Solid

Store at -20°C under inert atmosphere

Yellow

Powder

100 mg