Melphalan Impurity 21

About Melphalan Impurity 21

Melphalan Impurity 21 is an impurity of Melphalan carrying the CAS registry number 74713-96-5. The compound has the formula C18H16N2O4, corresponding to a molecular weight of 324.3 g/mol. Its systematic (IUPAC) name is methyl (2S)-3-(4-aminophenyl)-2-(1,3-dioxoisoindol-2-yl)propanoate.

The product is provided 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.

As a characterised impurity of Melphalan, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

We offer Melphalan Impurity 21 in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

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

Industries

Related to Melphalan

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

Melphalan impurities

Specifications & identifiers

Chemical identifiers
Product name	Melphalan Impurity 21
Catalogue No.	VQ-044581
CAS Number	74713-96-5
IUPAC name	methyl (2S)-3-(4-aminophenyl)-2-(1,3-dioxoisoindol-2-yl)propanoate
Molecular formula	C₁₈H₁₆N₂O₄
Molecular weight	324.3 g/mol
Exact mass	324.111
Grade	Reference Standard
HSN code	38229090
InChIKey	HEQYNNGKACVVTH-HNNXBMFYSA-N
SMILES	COC(=O)[C@H](CC1=CC=C(C=C1)N)N2C(=O)C3=CC=CC=C3C2=O
PubChem CID	58863523

Physical properties
Physical form	Solid
LogP (XLogP3)	2.1
H-bond donors / acceptors	1 / 5
TPSA	89.7 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 Melphalan Impurity 21?

The CAS Registry Number of Melphalan Impurity 21 is 74713-96-5.

What is the molecular formula and molecular weight of Melphalan Impurity 21?

Melphalan Impurity 21 has the molecular formula C18H16N2O4 and a molecular weight of 324.3 g/mol. Its IUPAC name is methyl (2S)-3-(4-aminophenyl)-2-(1,3-dioxoisoindol-2-yl)propanoate.

What is Melphalan Impurity 21 used for?

Melphalan Impurity 21 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 Impurity 21 can I order?

We supply Melphalan Impurity 21 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 Impurity 21?

Yes. Every lot of Melphalan Impurity 21 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 Impurity 21 be shipped internationally?

Yes. We export Melphalan Impurity 21 worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.