(2R,3S)-N-Benzoyl-3-phenyl Isoserine Ethyl Es… 153433-80-8

Name: (2R,3S)-N-Benzoyl-3-phenyl Isoserine Ethyl Ester
Brand: Vaqora Chemicals
SKU: VQ-027350

About (2R,3S)-N-Benzoyl-3-phenyl Isoserine Ethyl Ester

Vaqora Chemicals supplies (2R,3S)-N-Benzoyl-3-phenyl Isoserine Ethyl Ester, a metabolite or degradation product of Paclitaxel registered under CAS number 153433-80-8. With the molecular formula C18H19NO4, it has a molar mass of 313.3 g/mol. Systematically, it is named ethyl (2R,3S)-3-benzamido-2-hydroxy-3-phenylpropanoate. Alternative names: Paclitaxel Ethyl Ester Side Chain.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Good laboratory practice and suitable PPE are recommended during handling.

Analytical teams use this compound to identify metabolites and degradants of Paclitaxel, to validate stability-indicating methods (AMV) and to support QC and regulatory filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Related to Paclitaxel

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

Paclitaxel impurities

Specifications & identifiers

Chemical identifiers
Product name	(2R,3S)-N-Benzoyl-3-phenyl Isoserine Ethyl Ester
Catalogue No.	VQ-027350
CAS Number	153433-80-8
IUPAC name	ethyl (2R,3S)-3-benzamido-2-hydroxy-3-phenylpropanoate
Molecular formula	C₁₈H₁₉NO₄
Molecular weight	313.3 g/mol
Exact mass	313.1314
Grade	Reference Standard
HSN code	38229090
InChIKey	OQAQLARGRIIKCB-JKSUJKDBSA-N
SMILES	CCOC(=O)[C@@H]([C@H](C1=CC=CC=C1)NC(=O)C2=CC=CC=C2)O
PubChem CID	9883276

Physical properties
Physical form	Solid
LogP (XLogP3)	2.4
H-bond donors / acceptors	2 / 4
TPSA	75.6 Å²
Synonyms	(2R,3S)-Ethyl 3-benzamido-2-hydroxy-3-phenylpropanoate, Paclitaxel Ethyl Ester Side Chain, Ethyl (I+-R,I2S)-I2-(benzoylamino)-I+--hydroxybenzenepropanoate, (2R,3S)-Ethyl3-benzamido-2-hydroxy-3-phenylpropanoate, Ethyl (alphaR,betaS)-beta-(benzoylamino)-alpha-hydroxybenzenepropanoate, rel-Ethyl (alphaR,betaS)-beta-(benzoylamino)-alpha-hydroxybenzenepropanoate, Benzenepropanoic acid, beta-(benzoylamino)-alpha-hydroxy-, ethyl ester, (alphaR,betaS)-, Benzenepropanoic acid, beta-(benzoylamino)-alpha-hydroxy-, ethyl ester, (R,S)-

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 (2R,3S)-N-Benzoyl-3-phenyl Isoserine Ethyl Ester?

The CAS Registry Number of (2R,3S)-N-Benzoyl-3-phenyl Isoserine Ethyl Ester is 153433-80-8. It is also known as (2R,3S)-Ethyl 3-benzamido-2-hydroxy-3-phenylpropanoate, Paclitaxel Ethyl Ester Side Chain, Ethyl (I+-R,I2S)-I2-(benzoylamino)-I+--hydroxybenzenepropanoate.

What is the molecular formula and molecular weight of (2R,3S)-N-Benzoyl-3-phenyl Isoserine Ethyl Ester?

(2R,3S)-N-Benzoyl-3-phenyl Isoserine Ethyl Ester has the molecular formula C18H19NO4 and a molecular weight of 313.3 g/mol. Its IUPAC name is ethyl (2R,3S)-3-benzamido-2-hydroxy-3-phenylpropanoate.

What is (2R,3S)-N-Benzoyl-3-phenyl Isoserine Ethyl Ester used for?

(2R,3S)-N-Benzoyl-3-phenyl Isoserine Ethyl Ester 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 (2R,3S)-N-Benzoyl-3-phenyl Isoserine Ethyl Ester can I order?

We supply (2R,3S)-N-Benzoyl-3-phenyl Isoserine Ethyl Ester 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 (2R,3S)-N-Benzoyl-3-phenyl Isoserine Ethyl Ester?

Yes. Every lot of (2R,3S)-N-Benzoyl-3-phenyl Isoserine Ethyl Ester 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 (2R,3S)-N-Benzoyl-3-phenyl Isoserine Ethyl Ester be shipped internationally?

Yes. We export (2R,3S)-N-Benzoyl-3-phenyl Isoserine Ethyl Ester worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.