(2R,3S)-3-Phenylisoserine

Name: (2R,3S)-3-Phenylisoserine
Brand: Vaqora Chemicals
SKU: VQ-036065

About (2R,3S)-3-Phenylisoserine

Listed under CAS 136561-53-0, (2R,3S)-3-Phenylisoserine is an impurity of Docetaxel available from Vaqora Chemicals. The compound has the formula C9H11NO3, corresponding to a molecular weight of 181.19 g/mol. The IUPAC name is (2R,3S)-3-amino-2-hydroxy-3-phenylpropanoic acid. Common synonyms include 3-Phenylisoserine, (2R,3S)- and 3-(2R,3S)-Phenylisoserine.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Handle it with standard laboratory precautions and appropriate personal protective equipment.

Pharmaceutical QC and development laboratories use this impurity standard of Docetaxel to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. It is used across 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

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

Industries

Related to Docetaxel

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

Docetaxel impurities

Specifications & identifiers

Chemical identifiers
Product name	(2R,3S)-3-Phenylisoserine
Catalogue No.	VQ-036065
CAS Number	136561-53-0
IUPAC name	(2R,3S)-3-amino-2-hydroxy-3-phenylpropanoic acid
Molecular formula	C₉H₁₁NO₃
Molecular weight	181.19 g/mol
Exact mass	181.0739
Grade	Reference Standard
HSN code	38229090
InChIKey	RZARFIRJROUVLM-JGVFFNPUSA-N
SMILES	C1=CC=C(C=C1)[C@@H]([C@H](C(=O)O)O)N
PubChem CID	7020763

Physical properties
Physical form	Solid
LogP (XLogP3)	-2.5
H-bond donors / acceptors	3 / 4
TPSA	83.6 Å²
Synonyms	3-Phenylisoserine, (2R,3S)-, 3-(2R,3S)-Phenylisoserine, (2R,3S)-3-amino-2-hydroxy-3-phenyl-propanoic acid, (2R,3S)-3-azaniumyl-2-hydroxy-3-phenylpropanoate, Benzenepropanoic acid, beta-amino-alpha-hydroxy-, (alphaR,betaS)-, (2r,3s)-phenylisoserine, 3-Phenylisoserine, (2R,3S)-rel-, (2R,3S)-3-amino-3-phenyl-2-hydroxypropionic acid, (2R,3S)-3-azaniumyl-2-hydroxy-3-phenyl-propanoate

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)-3-Phenylisoserine?

The CAS Registry Number of (2R,3S)-3-Phenylisoserine is 136561-53-0. It is also known as 3-Phenylisoserine, (2R,3S)-, 3-(2R,3S)-Phenylisoserine, (2R,3S)-3-amino-2-hydroxy-3-phenyl-propanoic acid.

What is the molecular formula and molecular weight of (2R,3S)-3-Phenylisoserine?

(2R,3S)-3-Phenylisoserine has the molecular formula C9H11NO3 and a molecular weight of 181.19 g/mol. Its IUPAC name is (2R,3S)-3-amino-2-hydroxy-3-phenylpropanoic acid.

What is (2R,3S)-3-Phenylisoserine used for?

(2R,3S)-3-Phenylisoserine is supplied as a characterised reference material related to Docetaxel. 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)-3-Phenylisoserine can I order?

We supply (2R,3S)-3-Phenylisoserine 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)-3-Phenylisoserine?

Yes. Every lot of (2R,3S)-3-Phenylisoserine 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)-3-Phenylisoserine be shipped internationally?

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