Quinapril EP Impurity D

Name: Quinapril EP Impurity D
Brand: Vaqora Chemicals
SKU: VQ-023595

About Quinapril EP Impurity D

Vaqora Chemicals supplies Quinapril EP Impurity D, a pharmacopeial impurity of Quinapril registered under CAS number 103733-49-9. The compound has the formula C25H28N2O4, corresponding to a molecular weight of 420.5 g/mol. Common synonyms include Quinapril Diketopiperazine and Quinapril USP Related Compound A.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Good laboratory practice and suitable PPE are recommended during handling.

This Quinapril impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF 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

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Industries

Related to Quinapril

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

Quinapril impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Quinapril EP Impurity D
Catalogue No.	VQ-023595
CAS Number	103733-49-9
IUPAC name	ethyl (2S)-2-[(3S,11aS)-3-methyl-1,4-dioxo-3,6,11,11a-tetrahydropyrazino[1,2-b]isoquinolin-2-yl]-4-phenylbutanoate
Molecular formula	C₂₅H₂₈N₂O₄
Molecular weight	420.5 g/mol
Exact mass	420.2049
Grade	Reference Standard
HSN code	38229090
InChIKey	NDDYKENLGBOEPD-HSQYWUDLSA-N
SMILES	CCOC(=O)[C@H](CCC1=CC=CC=C1)N2[C@H](C(=O)N3CC4=CC=CC=C4C[C@H]3C2=O)C
PubChem CID	29986779

Physical properties
Physical form	Solid
LogP (XLogP3)	3.7
H-bond donors / acceptors	0 / 4
TPSA	66.9 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 Quinapril EP Impurity D?

The CAS Registry Number of Quinapril EP Impurity D is 103733-49-9. It is also known as Quinapril Diketopiperazine, Quinapril USP Related Compound A, Quinapril Hydrochloride - Impurity D.

What is the molecular formula and molecular weight of Quinapril EP Impurity D?

Quinapril EP Impurity D has the molecular formula C25H28N2O4 and a molecular weight of 420.5 g/mol. Its IUPAC name is ethyl (2S)-2-[(3S,11aS)-3-methyl-1,4-dioxo-3,6,11,11a-tetrahydropyrazino[1,2-b]isoquinolin-2-yl]-4-phenylbutanoate.

What is Quinapril EP Impurity D used for?

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

We supply Quinapril EP Impurity D 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 Quinapril EP Impurity D?

Yes. Every lot of Quinapril EP Impurity D 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 Quinapril EP Impurity D be shipped internationally?

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