Amino Sildenafil

Name: Amino Sildenafil
Brand: Vaqora Chemicals
SKU: VQ-034481

About Amino Sildenafil

Listed under CAS 319491-68-4, Amino Sildenafil is an impurity of Sildenafil available from Vaqora Chemicals. Its molecular formula is C18H23N5O4S and its molecular weight is 405.5 g/mol. Systematically, it is named 3-(1-methyl-7-oxo-3-propyl-6H-pyrazolo[4,5-d]pyrimidin-5-yl)-4-propoxybenzenesulfonamide.

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. Good laboratory practice and suitable PPE are recommended during handling.

As a characterised impurity of Sildenafil, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Typical end-use sectors are 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 Sildenafil

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

Sildenafil impurities

Specifications & identifiers

Chemical identifiers
Product name	Amino Sildenafil
Catalogue No.	VQ-034481
CAS Number	319491-68-4
IUPAC name	3-(1-methyl-7-oxo-3-propyl-6H-pyrazolo[4,5-d]pyrimidin-5-yl)-4-propoxybenzenesulfonamide
Molecular formula	C₁₈H₂₃N₅O₄S
Molecular weight	405.5 g/mol
Exact mass	405.1471
Grade	Reference Standard
HSN code	38229090
InChIKey	WQAFYWMRZOZKJD-UHFFFAOYSA-N
SMILES	CCCC1=NN(C2=C1N=C(NC2=O)C3=C(C=CC(=C3)S(=O)(=O)N)OCCC)C
PubChem CID	135499879

Physical properties
Physical form	Solid
LogP (XLogP3)	1.6
H-bond donors / acceptors	2 / 7
TPSA	137 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 Amino Sildenafil?

The CAS Registry Number of Amino Sildenafil is 319491-68-4. It is also known as N-Des[2-(1-methyl-2-pyrrolidinyl)ethyl] Udenafil, 3-(1-Methyl-7-oxo-3-propyl-6H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-propoxybenzenesulfonamide, 3-(1-methyl-7-oxo-3-propyl-4H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-propoxybenzenesulfonamide.

What is the molecular formula and molecular weight of Amino Sildenafil?

Amino Sildenafil has the molecular formula C18H23N5O4S and a molecular weight of 405.5 g/mol. Its IUPAC name is 3-(1-methyl-7-oxo-3-propyl-6H-pyrazolo[4,5-d]pyrimidin-5-yl)-4-propoxybenzenesulfonamide.

What is Amino Sildenafil used for?

Amino Sildenafil is supplied as a characterised reference material related to Sildenafil. 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 Amino Sildenafil can I order?

We supply Amino Sildenafil 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 Amino Sildenafil?

Yes. Every lot of Amino Sildenafil 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 Amino Sildenafil be shipped internationally?

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