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Pharmacopeial Impurities (EP / USP / BP)

Paclitaxel EP Impurity K

Reference StandardAvailable on request

Buy Paclitaxel EP Impurity K (CAS 148930-55-6) from Zemixal: C53H65NO14Si, COA and SDS with every lot, worldwide shipping.

Pack sizes
Paclitaxel EP Impurity K chemical structure
CAS number148930-55-6
FormulaC53H65NO14Si
Molar mass968.2 g/mol
Physical formSolid
HS code38229090
InChIKeyLKHIBBPOJARUFY-RGZLSWIJSA-N
IUPAC name[(1S,2S,3R,4S,7R,9S,10S,12R,15S)-4,12-diacetyloxy-15-[(2R,3S)-3-benzamido-2-hydroxy-3-phenylpropanoyl]oxy-1-hydroxy-10,14,17,17-tetramethyl-11-oxo-9-triethylsilyloxy-6-oxatetracyclo[11.3.1.03,10.04,7]heptadec-13-en-2-yl] benzoate

About Paclitaxel EP Impurity K

Zemixal lists Paclitaxel EP Impurity K for laboratories that identify, quantify or control Paclitaxel and its related substances. Identity at a glance (Reference Standard): CAS 148930-55-6, formula C53H65NO14Si and molar mass 968.2 g/mol. It is handled as a solid.

Use cases we see most often

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

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Each lot travels with a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

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 K
Product namePaclitaxel EP Impurity K
Catalogue numberZX-022476
CAS number148930-55-6
IUPAC name[(1S,2S,3R,4S,7R,9S,10S,12R,15S)-4,12-diacetyloxy-15-[(2R,3S)-3-benzamido-2-hydroxy-3-phenylpropanoyl]oxy-1-hydroxy-10,14,17,17-tetramethyl-11-oxo-9-triethylsilyloxy-6-oxatetracyclo[11.3.1.03,10.04,7]heptadec-13-en-2-yl] benzoate
Molecular formulaC53H65NO14Si
Molar mass968.2 g/mol
Exact mass967.4174
GradeReference Standard
Physical formSolid
H-bond donors / acceptors3 / 14
Topological polar surface area210 Ų
HS code38229090
InChIKeyLKHIBBPOJARUFY-RGZLSWIJSA-N
SMILESCC[Si](CC)(CC)O[C@H]1C[C@@H]2[C@@](CO2)([C@@H]3[C@@]1(C(=O)[C@@H](C4=C([C@H](C[C@@]([C@H]3OC(=O)C5=CC=CC=C5)(C4(C)C)O)OC(=O)[C@@H]([C@H](C6=CC=CC=C6)NC(=O)C7=CC=CC=C7)O)C)OC(=O)C)C)OC(=O)C
PubChem CID11115717
SynonymsPaclitaxel - Impurity K, 7-O-(Triethylsilyl) Paclitaxel, 7-O-(Triethylsilyl)taxol, 7-O-(Triethylsilanyl)paclitaxel, 7-O-(Triethylsilyl)paclitaxel, 7-TES-Paclitaxel, 7-(Triethylsilyl)taxol

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

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of Paclitaxel EP Impurity K
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 K

Which CAS number identifies Paclitaxel EP Impurity K?
Paclitaxel EP Impurity K is registered under CAS 148930-55-6. You may also see it listed as Paclitaxel - Impurity K, 7-O-(Triethylsilyl) Paclitaxel, 7-O-(Triethylsilyl)taxol. Our catalogue number for this item is ZX-022476.
What are the formula and molar mass of Paclitaxel EP Impurity K?
For Paclitaxel EP Impurity K, its formula is C53H65NO14Si and its molar mass is 968.2 g/mol. InChIKey LKHIBBPOJARUFY-RGZLSWIJSA-N lets you match it in any structure database.
How is Paclitaxel EP Impurity K used in pharmaceutical QC?
Paclitaxel EP Impurity K 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 K?
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 K?
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 K to my country?
Yes. Paclitaxel EP Impurity K ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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