Melphalan EP Impurity A

Name: Melphalan EP Impurity A
Brand: Vaqora Chemicals
SKU: VQ-026592

About Melphalan EP Impurity A

Melphalan EP Impurity A (CAS 72143-20-5) is a pharmacopeial impurity of Melphalan offered by Vaqora Chemicals. With the molecular formula C13H20N2O4, it has a molar mass of 268.31 g/mol. Systematically, it is named (2S)-2-amino-3-[4-[bis(2-hydroxyethyl)amino]phenyl]propanoic acid. Common synonyms include Melphalan - Impurity A and 4-Bis(2-hydroxyethyl)amino-L-phenylalanine.

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. Handle it with standard laboratory precautions and appropriate personal protective equipment.

Pharmaceutical QC and development laboratories use this impurity standard of Melphalan 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.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Melphalan EP Impurity A 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 Melphalan

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

Melphalan impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Melphalan EP Impurity A
Catalogue No.	VQ-026592
CAS Number	72143-20-5
IUPAC name	(2S)-2-amino-3-[4-[bis(2-hydroxyethyl)amino]phenyl]propanoic acid
Molecular formula	C₁₃H₂₀N₂O₄
Molecular weight	268.31 g/mol
Exact mass	268.1423
Grade	Reference Standard
HSN code	38229090
InChIKey	WHGUXSYETMNGJA-LBPRGKRZSA-N
SMILES	C1=CC(=CC=C1C[C@@H](C(=O)O)N)N(CCO)CCO
PubChem CID	155704

Physical properties
Physical form	Solid
LogP (XLogP3)	-3.1
H-bond donors / acceptors	4 / 6
TPSA	107 Å²
Synonyms	Melphalan - Impurity A, 4-Bis(2-hydroxyethyl)amino-L-phenylalanine, 4-(Bis(2-hydroxyethyl)amino)-L-phenylalanine, 4-[Bis(2-hydroxyethyl)amino]-L-phenylalanine, L-Phenylalanine, 4-(bis(2-hydroxyethyl)amino)-, Dihydroxy Melphalan, Dihydroxy Melphatalan, (S)-2-Amino-3-(4-(bis(2-hydroxyethyl)amino)phenyl)propanoic acid, Phenylalanine, 4-[bis(2-hydroxyethyl)amino]-, 4-(bis-(2-hydroxyethyl)amino)-L-phenylalanine

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 Melphalan EP Impurity A?

The CAS Registry Number of Melphalan EP Impurity A is 72143-20-5. It is also known as Melphalan - Impurity A, 4-Bis(2-hydroxyethyl)amino-L-phenylalanine, 4-(Bis(2-hydroxyethyl)amino)-L-phenylalanine.

What is the molecular formula and molecular weight of Melphalan EP Impurity A?

Melphalan EP Impurity A has the molecular formula C13H20N2O4 and a molecular weight of 268.31 g/mol. Its IUPAC name is (2S)-2-amino-3-[4-[bis(2-hydroxyethyl)amino]phenyl]propanoic acid.

What is Melphalan EP Impurity A used for?

Melphalan EP Impurity A is supplied as a characterised reference material related to Melphalan. 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 Melphalan EP Impurity A can I order?

We supply Melphalan EP Impurity A 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 Melphalan EP Impurity A?

Yes. Every lot of Melphalan EP Impurity A 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 Melphalan EP Impurity A be shipped internationally?

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