Papaverine EP Impurity D

About Papaverine EP Impurity D

Papaverine EP Impurity D is a pharmacopeial impurity of Papaverine carrying the CAS registry number 522-57-6. Its molecular formula is C20H19NO5 and its molecular weight is 353.4 g/mol. Systematically, it is named (6,7-dimethoxyisoquinolin-1-yl)-(3,4-dimethoxyphenyl)methanone. Common synonyms include Papaverine Hydrochloride EP Impurity D and Papaverine Impurity D.

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.

This Papaverine impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Papaverine EP Impurity D 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 Papaverine

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

Papaverine impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Papaverine EP Impurity D
Catalogue No.	VQ-028873
CAS Number	522-57-6
IUPAC name	(6,7-dimethoxyisoquinolin-1-yl)-(3,4-dimethoxyphenyl)methanone
Molecular formula	C₂₀H₁₉NO₅
Molecular weight	353.4 g/mol
Exact mass	353.1263
Grade	Reference Standard
HSN code	38229090
InChIKey	QJTBIAMBPGGIGI-UHFFFAOYSA-N
SMILES	COC1=C(C=C(C=C1)C(=O)C2=NC=CC3=CC(=C(C=C32)OC)OC)OC
PubChem CID	96932

Physical properties
Physical form	Solid
LogP (XLogP3)	3.7
H-bond donors / acceptors	0 / 6
TPSA	66.9 Å²
Synonyms	Papaverine Hydrochloride EP Impurity D, Papaverine Impurity D, Papaverine Hydrochloride - Impurity D, Papaveraldine, Xanthaline, Papaveraldin, 6,7-Dimethoxy-1-veratroylisoquinoline, 1-((3,4-dimethoxyphenyl)carbonyl)-6,7-dimethoxyisoquinoline, 1-[(3,4-dimethoxyphenyl)carbonyl]-6,7-dimethoxyisoquinoline, (6,7-Dimethoxy-1-isoquinolyl) (3,4-dimethoxyphenyl) ketone, (6,7-dimethoxyisoquinolin-1-yl)(3,4-dimethoxyphenyl)methanone, Ketone, 6,7-dimethoxy-1-isoquinolyl 3,4-dimethoxyphenyl

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 Papaverine EP Impurity D?

The CAS Registry Number of Papaverine EP Impurity D is 522-57-6. It is also known as Papaverine Hydrochloride EP Impurity D, Papaverine Impurity D, Papaverine Hydrochloride - Impurity D.

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

Papaverine EP Impurity D has the molecular formula C20H19NO5 and a molecular weight of 353.4 g/mol. Its IUPAC name is (6,7-dimethoxyisoquinolin-1-yl)-(3,4-dimethoxyphenyl)methanone.

What is Papaverine EP Impurity D used for?

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

We supply Papaverine 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 Papaverine EP Impurity D?

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

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