Sildenafil Di-Amide Impurity

Name: Sildenafil Di-Amide Impurity
Brand: Vaqora Chemicals
SKU: VQ-023747

About Sildenafil Di-Amide Impurity

Listed under CAS 139756-03-9, Sildenafil Di-Amide Impurity is an impurity of Sildenafil available from Vaqora Chemicals. With the molecular formula C17H22N4O3, it has a molar mass of 330.4 g/mol. Systematically, it is named 4-[(2-ethoxybenzoyl)amino]-1-methyl-3-propylpyrazole-5-carboxamide. Alternative names: Sildenafil Carboxamide Impurity and Sildenafil Impurity 11.

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.

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. It is used across pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Sildenafil Di-Amide Impurity is dispatched with a Certificate of Analysis (COA) to destinations 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 Di-Amide Impurity
Catalogue No.	VQ-023747
CAS Number	139756-03-9
IUPAC name	4-[(2-ethoxybenzoyl)amino]-1-methyl-3-propylpyrazole-5-carboxamide
Molecular formula	C₁₇H₂₂N₄O₃
Molecular weight	330.4 g/mol
Exact mass	330.1692
Grade	Reference Standard
HSN code	38229090
InChIKey	UAFIHVRUICMADE-UHFFFAOYSA-N
SMILES	CCCC1=NN(C(=C1NC(=O)C2=CC=CC=C2OCC)C(=O)N)C
PubChem CID	850135

Physical properties
Physical form	Solid
LogP (XLogP3)	2.4
H-bond donors / acceptors	2 / 4
TPSA	99.2 Å²
Synonyms	4-(2-Ethoxybenzamido)-1-methyl-3-n-propylpyrazole-5-carboxamide, Sildenafil Carboxamide Impurity, 4-(2-ethoxybenzamido)-1-methyl-3-propyl-1H-pyrazole-5-carboxamide, 4-(2-Ethoxybenzamido)-1-methyl-3-propylpyrazole-5-carboxamide, 1H-Pyrazole-5-carboxamide, 4-((2-ethoxybenzoyl)amino)-1-methyl-3-propyl-, 4-((2-Ethoxybenzoyl)amino)-1-methyl-3-propyl-1H-pyrazole-5-carboxamide, 4-[(2-ethoxybenzoyl)amino]-1-methyl-3-propyl-1H-pyrazole-5-carboxamide, 1H-Pyrazole-5-carboxamide, 4-[(2-ethoxybenzoyl)amino]-1-methyl-3-propyl-, 4-[(2-ethoxybenzoyl)amino]-2-methyl-5-propylpyrazole-3-carboxamide, 4-(2-Ethoxybenzoylamino)-1-methyl-3-propyl-1H-pyrazole-5-carboxamide, Sildenafil Impurity 11, 4-[(2-ethoxybenzoyl)amino]-1methyl-3-propyl-1h-pyrazole-5-carboxamide

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 Di-Amide Impurity?

The CAS Registry Number of Sildenafil Di-Amide Impurity is 139756-03-9. It is also known as 4-(2-Ethoxybenzamido)-1-methyl-3-n-propylpyrazole-5-carboxamide, Sildenafil Carboxamide Impurity, 4-(2-ethoxybenzamido)-1-methyl-3-propyl-1H-pyrazole-5-carboxamide.

What is the molecular formula and molecular weight of Sildenafil Di-Amide Impurity?

Sildenafil Di-Amide Impurity has the molecular formula C17H22N4O3 and a molecular weight of 330.4 g/mol. Its IUPAC name is 4-[(2-ethoxybenzoyl)amino]-1-methyl-3-propylpyrazole-5-carboxamide.

What is Sildenafil Di-Amide Impurity used for?

Sildenafil Di-Amide 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 Di-Amide Impurity can I order?

We supply Sildenafil Di-Amide 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 Di-Amide Impurity?

Yes. Every lot of Sildenafil Di-Amide 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 Di-Amide Impurity be shipped internationally?

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