Sildenafil-d3

Name: Sildenafil-d3
Brand: Vaqora Chemicals
SKU: VQ-033842

About Sildenafil-d3

Listed under CAS 1126745-90-1, Sildenafil-d3 is a stable isotope labelled analogue related to Sildenafil available from Vaqora Chemicals. With the molecular formula C22H30N6O4S, it has a molar mass of 477.6 g/mol. Alternative names: Sildenafil-d3 (N-methyl-d3-piperazine) and Deuterated 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. Handle it with standard laboratory precautions and appropriate personal protective equipment.

Its mass shift relative to the unlabelled analyte makes it a dependable internal standard for LC-MS/MS assays, improving accuracy in bioanalysis, therapeutic drug monitoring and method validation. 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

LC-MS/MS internal standard
Bioanalytical quantitation
Pharmacokinetic studies

Industries

Related to Sildenafil

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

Sildenafil impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Sildenafil-d3
Catalogue No.	VQ-033842
CAS Number	1126745-90-1
IUPAC name	5-[2-ethoxy-5-[4-(trideuteriomethyl)piperazin-1-yl]sulfonylphenyl]-1-methyl-3-propyl-6H-pyrazolo[4,5-d]pyrimidin-7-one
Molecular formula	C₂₂H₃₀N₆O₄S
Molecular weight	477.6 g/mol
Exact mass	477.2238
Grade	Reference Standard
HSN code	38229090
InChIKey	BNRNXUUZRGQAQC-HPRDVNIFSA-N
SMILES	[2H]C([2H])([2H])N1CCN(CC1)S(=O)(=O)C2=CC(=C(C=C2)OCC)C3=NC4=C(C(=O)N3)N(N=C4CCC)C
PubChem CID	135949537

Physical properties
Physical form	Solid
LogP (XLogP3)	1.5
H-bond donors / acceptors	1 / 8
TPSA	118 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-d3?

The CAS Registry Number of Sildenafil-d3 is 1126745-90-1. It is also known as Sildenafil-d3 (N-methyl-d3-piperazine), Deuterated Sildenafil.

What is the molecular formula and molecular weight of Sildenafil-d3?

Sildenafil-d3 has the molecular formula C22H30N6O4S and a molecular weight of 477.6 g/mol. Its IUPAC name is 5-[2-ethoxy-5-[4-(trideuteriomethyl)piperazin-1-yl]sulfonylphenyl]-1-methyl-3-propyl-6H-pyrazolo[4,5-d]pyrimidin-7-one.

What is Sildenafil-d3 used for?

Sildenafil-d3 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-d3 can I order?

We supply Sildenafil-d3 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-d3?

Yes. Every lot of Sildenafil-d3 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-d3 be shipped internationally?

Yes. We export Sildenafil-d3 worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.