Paclitaxel EP Impurity L

Name: Paclitaxel EP Impurity L
Brand: Vaqora Chemicals
SKU: VQ-033025

About Paclitaxel EP Impurity L

Paclitaxel EP Impurity L is a pharmacopeial impurity of Paclitaxel carrying the CAS registry number 92950-39-5. The compound has the formula C49H53NO15, corresponding to a molecular weight of 895.9 g/mol. Common synonyms include Paclitaxel - Impurity L and 7-Acetyltaxol.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. It carries the GHS signal word “Danger” with 4 hazard statements. Review the Safety Data Sheet before use.

This Paclitaxel impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer Paclitaxel EP Impurity L in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers 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 L
Catalogue No.	VQ-033025
CAS Number	92950-39-5
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 formula	C₄₉H₅₃NO₁₅
Molecular weight	895.9 g/mol
Exact mass	895.3415
Grade	Reference Standard
HSN code	38229090
InChIKey	QHVFIEKTXYELRR-XOVTVWCYSA-N
SMILES	CC1=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 CID	124950

Physical properties
Physical form	Solid
LogP (XLogP3)	3.1
H-bond donors / acceptors	3 / 15
TPSA	227 Å²
Synonyms	Paclitaxel - Impurity L, 7-Acetyltaxol, 7-Acetyl taxol, 7-Acetyl Paclitaxel, 7-O-Acetylpaclitaxel, Paclitaxel C7 acetylcarboxylic acid ester

Safety & hazard information (GHS)

Toxic

Health hazard

Signal word: Danger

Hazard statements

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 is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

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 L?

The CAS Registry Number of Paclitaxel EP Impurity L is 92950-39-5. It is also known as Paclitaxel - Impurity L, 7-Acetyltaxol, 7-Acetyl taxol.

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

Paclitaxel EP Impurity L has the molecular formula C49H53NO15 and a molecular weight of 895.9 g/mol.

What is Paclitaxel EP Impurity L used for?

Paclitaxel EP Impurity L 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 L can I order?

We supply Paclitaxel EP Impurity L 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 L?

Yes. Every lot of Paclitaxel EP Impurity L 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 L be shipped internationally?

Yes. Paclitaxel EP Impurity L is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.