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Pharmacopeial Impurities (EP / USP / BP)

Paclitaxel EP Impurity E

Reference StandardAvailable on request

Buy Paclitaxel EP Impurity E (CAS 105454-04-4) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Packs from 10 mg.

Pack sizes
Paclitaxel EP Impurity E chemical structure
CAS number105454-04-4
FormulaC47H51NO14
Molar mass853.9 g/mol
Physical formSolid
HS code38229090
InChIKeyRCINICONZNJXQF-LYTKHFMESA-N
IUPAC name[(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

About Paclitaxel EP Impurity E

Analytical teams working on Paclitaxel use Paclitaxel EP Impurity E as a qualified comparison standard. Identity at a glance (Reference Standard): CAS 105454-04-4, formula C47H51NO14 and molar mass 853.9 g/mol. It is handled as a solid.

Typical applications

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Safe handling

It carries the GHS signal word Danger (H301, H315, H317 and H318), so wear gloves and eye protection and work with good ventilation.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. You receive a certificate of analysis with characterisation data with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Paclitaxel

See every impurity, metabolite and related compound we list for this API.

Paclitaxel standards

Typical uses

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Paclitaxel EP Impurity E
Product namePaclitaxel EP Impurity E
Catalogue numberZX-022474
CAS number105454-04-4
IUPAC name[(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
Molecular formulaC47H51NO14
Molar mass853.9 g/mol
Exact mass853.331
GradeReference Standard
Physical formSolid
XLogP32.5
H-bond donors / acceptors4 / 14
Topological polar surface area221 Ų
HS code38229090
InChIKeyRCINICONZNJXQF-LYTKHFMESA-N
SMILESCC1=C2[C@H](C(=O)[C@@]3([C@@H](C[C@@H]4[C@]([C@H]3[C@@H]([C@@](C2(C)C)(C[C@@H]1OC(=O)[C@@H]([C@H](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
PubChem CID184492
Synonyms7-Epi-Paclitaxel, Paclitaxel - Impurity E, 7-Epitaxol, 7-epi-Taxol, Epitaxol, 7-Epipaclitaxel, 7-Epi Paclitaxel, Paclitaxel Impurity inverted exclamation marke (R):(7-Epi-Paclitaxel)

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS05 Corrosive
Corrosive
GHS06 Acute toxicity
Acute toxicity
GHS07 Irritant or harmful
Irritant or harmful
GHS08 Health hazard
Health hazard

Signal word Danger

  • H301Toxic if swallowed
  • H315Causes skin irritation
  • H317May cause an allergic skin reaction
  • H318Causes serious eye damage
  • H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
  • H335May cause respiratory irritation
  • H340May cause genetic defects
  • H341Suspected of causing genetic defects
  • H351Suspected of causing cancer
  • H360May damage fertility or the unborn child
  • H361Suspected of damaging fertility or the unborn child
  • H372Causes damage to organs through prolonged or repeated exposure

Precautionary statements P203, P233, P260, P261, P264, P264 + P265, P270, P271, P272, P280, P284, P301 + P316, P302 + P352, P304 + P340, P305 + P354 + P338, P317, P318, P319, P321, P330, P332 + P317, P333 + P317, P342 + P316, P362 + P364

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Paclitaxel EP Impurity E
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Paclitaxel EP Impurity E

Which CAS number identifies Paclitaxel EP Impurity E?
Paclitaxel EP Impurity E is registered under CAS 105454-04-4. You may also see it listed as 7-Epi-Paclitaxel, Paclitaxel - Impurity E, 7-Epitaxol. Our catalogue number for this item is ZX-022474.
What are the formula and molar mass of Paclitaxel EP Impurity E?
For Paclitaxel EP Impurity E, its formula is C47H51NO14 and its molar mass is 853.9 g/mol. InChIKey RCINICONZNJXQF-LYTKHFMESA-N lets you match it in any structure database.
How is Paclitaxel EP Impurity E used in pharmaceutical QC?
Paclitaxel EP Impurity E is a characterised reference material linked to Paclitaxel. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Paclitaxel EP Impurity E?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Paclitaxel EP Impurity E?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Paclitaxel EP Impurity E to my country?
Yes. Because Paclitaxel EP Impurity E is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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