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Pharmacopeial Impurities (EP / USP / BP)

Paclitaxel EP Impurity L

Reference StandardAvailable on request

Order Paclitaxel EP Impurity L (CAS 92950-39-5) online at Zemixal: C49H53NO15, COA and SDS with every lot, worldwide shipping.

Pack sizes
Paclitaxel EP Impurity L chemical structure
CAS number92950-39-5
FormulaC49H53NO15
Molar mass895.9 g/mol
Physical formSolid
HS code38229090
InChIKeyQHVFIEKTXYELRR-XOVTVWCYSA-N
IUPAC name[(1S,2S,3R,4S,7R,9S,10S,12R,15S)-4,9,12-triacetyloxy-15-[(2R,3S)-3-benzamido-2-hydroxy-3-phenylpropanoyl]oxy-1-hydroxy-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 L

Analytical teams working on Paclitaxel use Paclitaxel EP Impurity L as a qualified comparison standard. Identity at a glance (Reference Standard): CAS 92950-39-5, formula C49H53NO15 and molar mass 895.9 g/mol. It is handled as a solid.

Where it is used

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

Handling and storage

Hazard communication follows GHS (Danger: H301, H340, H351 and H372). Our SDS lists exposure controls and first-aid measures.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Each lot travels with a certificate of analysis with characterisation data. 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 L
Product namePaclitaxel EP Impurity L
Catalogue numberZX-031702
CAS number92950-39-5
IUPAC name[(1S,2S,3R,4S,7R,9S,10S,12R,15S)-4,9,12-triacetyloxy-15-[(2R,3S)-3-benzamido-2-hydroxy-3-phenylpropanoyl]oxy-1-hydroxy-10,14,17,17-tetramethyl-11-oxo-6-oxatetracyclo[11.3.1.03,10.04,7]heptadec-13-en-2-yl] benzoate
Molecular formulaC49H53NO15
Molar mass895.9 g/mol
Exact mass895.3415
GradeReference Standard
Physical formSolid
XLogP33.1
H-bond donors / acceptors3 / 15
Topological polar surface area227 Ų
HS code38229090
InChIKeyQHVFIEKTXYELRR-XOVTVWCYSA-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)OC(=O)C)C)OC(=O)C
PubChem CID124950
SynonymsPaclitaxel - Impurity L, 7-Acetyltaxol, 7-Acetyl taxol, 7-Acetyl Paclitaxel, 7-O-Acetylpaclitaxel, Paclitaxel C7 acetylcarboxylic acid ester

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

Safety and GHS hazards

GHS06 Acute toxicity
Acute toxicity
GHS08 Health hazard
Health hazard

Signal word Danger

  • H301Toxic if swallowed
  • H340May cause genetic defects
  • H351Suspected of causing cancer
  • H372Causes damage to organs through prolonged or repeated exposure

Precautionary statements P203, P260, P264, P270, P280, P301 + P316, P318, P319, P321, P330, P405, P501

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 L
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 L

Which CAS number identifies Paclitaxel EP Impurity L?
Paclitaxel EP Impurity L is registered under CAS 92950-39-5. You may also see it listed as Paclitaxel - Impurity L, 7-Acetyltaxol, 7-Acetyl taxol. Our catalogue number for this item is ZX-031702.
What are the formula and molar mass of Paclitaxel EP Impurity L?
For Paclitaxel EP Impurity L, its formula is C49H53NO15 and its molar mass is 895.9 g/mol. InChIKey QHVFIEKTXYELRR-XOVTVWCYSA-N lets you match it in any structure database.
How is Paclitaxel EP Impurity L used in pharmaceutical QC?
Paclitaxel EP Impurity L 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 L?
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 L?
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 L to my country?
Yes. Because Paclitaxel EP Impurity L 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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