Paclitaxel EP Impurity R

About Paclitaxel EP Impurity R

Paclitaxel EP Impurity R is a pharmacopeial impurity of Paclitaxel carrying the CAS registry number 158948-96-0. Formula C45H55NO14, molecular weight 833.9 g/mol. It is also known as Paclitaxel - Impurity R or Paclitaxel Sec-Butyl Analog.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

This Paclitaxel impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Paclitaxel EP Impurity R is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

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

Industries

Related to Paclitaxel

View every impurity, metabolite and intermediate we list for Paclitaxel.

Paclitaxel impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Paclitaxel EP Impurity R
Catalogue No.	VQ-027361
CAS Number	158948-96-0
IUPAC name	[(1S,2S,3R,4S,7R,9S,10S,12R,15S)-4,12-diacetyloxy-1,9-dihydroxy-15-[(2R,3S)-2-hydroxy-3-[[(2S)-2-methylbutanoyl]amino]-3-phenylpropanoyl]oxy-10,14,17,17-tetramethyl-11-oxo-6-oxatetracyclo[11.3.1.03,10.04,7]heptadec-13-en-2-yl] benzoate
Molecular formula	C₄₅H₅₅NO₁₄
Molecular weight	833.9 g/mol
Exact mass	833.3623
Grade	Reference Standard
HSN code	38229090
InChIKey	OKEKLOJNCOIPIT-RLNDXAGLSA-N
SMILES	CC[C@H](C)C(=O)N[C@@H](C1=CC=CC=C1)[C@H](C(=O)O[C@H]2C[C@]3([C@H]([C@H]4[C@@]([C@H](C[C@@H]5[C@]4(CO5)OC(=O)C)O)(C(=O)[C@@H](C(=C2C)C3(C)C)OC(=O)C)C)OC(=O)C6=CC=CC=C6)O)O
PubChem CID	166451433

Physical properties
Physical form	Solid
LogP (XLogP3)	2.2
H-bond donors / acceptors	4 / 14
TPSA	221 Å²

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Paclitaxel EP Impurity R?

The CAS Registry Number of Paclitaxel EP Impurity R is 158948-96-0. It is also known as Paclitaxel - Impurity R, Paclitaxel Sec-Butyl Analog, N-debenzoyl-N-[(2S)-2-methylbutanoyl]paclitaxel.

What is the molecular formula and molecular weight of Paclitaxel EP Impurity R?

Paclitaxel EP Impurity R has the molecular formula C45H55NO14 and a molecular weight of 833.9 g/mol.

What is Paclitaxel EP Impurity R used for?

Paclitaxel EP Impurity R is supplied as a characterised reference material related to Paclitaxel. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Paclitaxel EP Impurity R can I order?

We supply Paclitaxel EP Impurity R in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Paclitaxel EP Impurity R?

Yes. Every lot of Paclitaxel EP Impurity R is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Paclitaxel EP Impurity R be shipped internationally?

Yes. We export Paclitaxel EP Impurity R worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.