Norneo Sildenafil

Name: Norneo Sildenafil
Brand: Vaqora Chemicals
SKU: VQ-044668

About Norneo Sildenafil

Norneo Sildenafil is an impurity of Sildenafil carrying the CAS registry number 371959-09-0. The compound has the formula C22H29N5O4S, corresponding to a molecular weight of 459.6 g/mol. Systematically, it is named 5-(2-ethoxy-5-piperidin-1-ylsulfonylphenyl)-1-methyl-3-propyl-6H-pyrazolo[4,5-d]pyrimidin-7-one. Alternative names: Piperidino sildenafil.

The product is provided 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 Sildenafil impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. It is used across 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	Norneo Sildenafil
Catalogue No.	VQ-044668
CAS Number	371959-09-0
IUPAC name	5-(2-ethoxy-5-piperidin-1-ylsulfonylphenyl)-1-methyl-3-propyl-6H-pyrazolo[4,5-d]pyrimidin-7-one
Molecular formula	C₂₂H₂₉N₅O₄S
Molecular weight	459.6 g/mol
Exact mass	459.194
Grade	Reference Standard
HSN code	38229090
InChIKey	LOJSLWNUHMOFAD-UHFFFAOYSA-N
SMILES	CCCC1=NN(C2=C1N=C(NC2=O)C3=C(C=CC(=C3)S(=O)(=O)N4CCCCC4)OCC)C
PubChem CID	135417000

Physical properties
Physical form	Solid
LogP (XLogP3)	2.5
H-bond donors / acceptors	1 / 7
TPSA	114 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 Norneo Sildenafil?

The CAS Registry Number of Norneo Sildenafil is 371959-09-0. It is also known as Piperidino sildenafil.

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

Norneo Sildenafil has the molecular formula C22H29N5O4S and a molecular weight of 459.6 g/mol. Its IUPAC name is 5-(2-ethoxy-5-piperidin-1-ylsulfonylphenyl)-1-methyl-3-propyl-6H-pyrazolo[4,5-d]pyrimidin-7-one.

What is Norneo Sildenafil used for?

Norneo 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 Norneo Sildenafil can I order?

We supply Norneo 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 Norneo Sildenafil?

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

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