Sildenafil Methyl Sulfonate Ester Impurity 2512206-40-3

Name: Sildenafil Methyl Sulfonate Ester Impurity
Brand: Vaqora Chemicals
SKU: VQ-028021

About Sildenafil Methyl Sulfonate Ester Impurity

Listed under CAS 2512206-40-3, Sildenafil Methyl Sulfonate Ester Impurity is an impurity of Sildenafil available from Vaqora Chemicals. Formula C18H22N4O5S, molecular weight 406.5 g/mol. Its systematic (IUPAC) name is methyl 4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6H-pyrazolo[4,5-d]pyrimidin-5-yl)benzenesulfonate. Common synonyms include Sildenafil Sulfonyl Methyl Ester and Sildenafil Impurity 18.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Good laboratory practice and suitable PPE are recommended during handling.

Pharmaceutical QC and development laboratories use this impurity standard of Sildenafil to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. 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	Sildenafil Methyl Sulfonate Ester Impurity
Catalogue No.	VQ-028021
CAS Number	2512206-40-3
IUPAC name	methyl 4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6H-pyrazolo[4,5-d]pyrimidin-5-yl)benzenesulfonate
Molecular formula	C₁₈H₂₂N₄O₅S
Molecular weight	406.5 g/mol
Exact mass	406.1311
Grade	Reference Standard
HSN code	38229090
InChIKey	XYOGBUPNWZHTKL-UHFFFAOYSA-N
SMILES	CCCC1=NN(C2=C1N=C(NC2=O)C3=C(C=CC(=C3)S(=O)(=O)OC)OCC)C
PubChem CID	139597940

Physical properties
Physical form	Solid
LogP (XLogP3)	1.8
H-bond donors / acceptors	1 / 7
TPSA	120 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 Sildenafil Methyl Sulfonate Ester Impurity?

The CAS Registry Number of Sildenafil Methyl Sulfonate Ester Impurity is 2512206-40-3. It is also known as Sildenafil Sulfonyl Methyl Ester, Sildenafil Impurity 18.

What is the molecular formula and molecular weight of Sildenafil Methyl Sulfonate Ester Impurity?

Sildenafil Methyl Sulfonate Ester Impurity has the molecular formula C18H22N4O5S and a molecular weight of 406.5 g/mol. Its IUPAC name is methyl 4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6H-pyrazolo[4,5-d]pyrimidin-5-yl)benzenesulfonate.

What is Sildenafil Methyl Sulfonate Ester Impurity used for?

Sildenafil Methyl Sulfonate Ester Impurity 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 Sildenafil Methyl Sulfonate Ester Impurity can I order?

We supply Sildenafil Methyl Sulfonate Ester Impurity 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 Sildenafil Methyl Sulfonate Ester Impurity?

Yes. Every lot of Sildenafil Methyl Sulfonate Ester Impurity 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 Sildenafil Methyl Sulfonate Ester Impurity be shipped internationally?

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