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API Impurities

Paclitaxel Side Chain Impurity

Reference StandardAvailable on request

Order Paclitaxel Side Chain Impurity (CAS 132201-33-3) online at Zemixal: C16H15NO4, COA and SDS with every lot, worldwide shipping.

Pack sizes
Paclitaxel Side Chain Impurity chemical structure
CAS number132201-33-3
FormulaC16H15NO4
Molar mass285.29 g/mol
Physical formSolid
HS code38229090
InChIKeyHYJVYOWKYPNSTK-UONOGXRCSA-N
IUPAC name(2R,3S)-3-benzamido-2-hydroxy-3-phenylpropanoic acid

About Paclitaxel Side Chain Impurity

Zemixal lists Paclitaxel Side Chain Impurity for laboratories that identify, quantify or control Paclitaxel and its related substances. Identity at a glance (Reference Standard): CAS 132201-33-3, formula C16H15NO4 and molar mass 285.29 g/mol. It is handled as a solid.

Common uses in the lab and plant

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Storage and safety notes

Classified under GHS with signal word Warning and hazard statements H315, H319 and H335. Read the SDS before first use.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Every shipment includes 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

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of Paclitaxel Side Chain Impurity
Product namePaclitaxel Side Chain Impurity
Catalogue numberZX-035921
CAS number132201-33-3
IUPAC name(2R,3S)-3-benzamido-2-hydroxy-3-phenylpropanoic acid
Molecular formulaC16H15NO4
Molar mass285.29 g/mol
Exact mass285.1001
GradeReference Standard
Physical formSolid
XLogP31.7
H-bond donors / acceptors3 / 4
Topological polar surface area86.6 Ų
HS code38229090
InChIKeyHYJVYOWKYPNSTK-UONOGXRCSA-N
SMILESC1=CC=C(C=C1)[C@@H]([C@H](C(=O)O)O)NC(=O)C2=CC=CC=C2
PubChem CID2762289
Synonyms(2R,3S)-N-Benzoyl-3-phenylisoserine, N-Benzoyl-3-phenylisoserine, (2R,3S)-, Benzenepropanoic acid, beta-(benzoylamino)-alpha-hydroxy-, (alphaR,betaS)-, N-Benzoyl-(2R,3S)-3-phenylisoserine, (2R,3S)-N-Benzoyl-3-phenyl Isoserine, (2R,3S)-rel-3-Benzamido-2-hydroxy-3-phenylpropanoic acid, Taxol Side Chain Acid, N-Benzoyl-(2R,3S,)-3-phenylisoserine, Paclitaxel Impurity N1, (2R,3S)-3-benzamido-2-hydroxy-3-phenyl-propanoic acid, N-benzoyl-(2R,3S)-3-phenyl-isoserine

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

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, 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 Side Chain Impurity
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 Side Chain Impurity

Which CAS number identifies Paclitaxel Side Chain Impurity?
Paclitaxel Side Chain Impurity is registered under CAS 132201-33-3. You may also see it listed as (2R,3S)-N-Benzoyl-3-phenylisoserine, N-Benzoyl-3-phenylisoserine, (2R,3S)-, Benzenepropanoic acid, beta-(benzoylamino)-alpha-hydroxy-, (alphaR,betaS)-. Our catalogue number for this item is ZX-035921.
What are the formula and molar mass of Paclitaxel Side Chain Impurity?
For Paclitaxel Side Chain Impurity, its formula is C16H15NO4 and its molar mass is 285.29 g/mol. The systematic (IUPAC) name is (2R,3S)-3-benzamido-2-hydroxy-3-phenylpropanoic acid. InChIKey HYJVYOWKYPNSTK-UONOGXRCSA-N lets you match it in any structure database.
How is Paclitaxel Side Chain Impurity used in pharmaceutical QC?
Paclitaxel Side Chain Impurity 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 Side Chain Impurity?
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 Side Chain Impurity?
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 Side Chain Impurity to my country?
Yes. Because Paclitaxel Side Chain Impurity 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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