1-Methyl-d3-1H-pyrazole-4-carboxylic acid

Name: 1-Methyl-d3-1H-pyrazole-4-carboxylic acid
Brand: Vaqora Chemicals
SKU: VQ-052486

About 1-Methyl-d3-1H-pyrazole-4-carboxylic acid

Listed under CAS 2919955-56-7, 1-Methyl-d3-1H-pyrazole-4-carboxylic acid is a stable isotope labelled standard available from Vaqora Chemicals. With the molecular formula C5H6N2O2, it has a molar mass of 129.13 g/mol. Systematically, it is named 1-(trideuteriomethyl)pyrazole-4-carboxylic acid. Alternative names: 1H-Pyrazole-4-carboxylic acid,1-(methyl D3) and 1-(2H3)methyl-1H-pyrazole-4-carboxylic acid.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying 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. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, 1-Methyl-d3-1H-pyrazole-4-carboxylic acid is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

LC-MS/MS internal standard
Bioanalytical quantitation
Pharmacokinetic studies

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	1-Methyl-d3-1H-pyrazole-4-carboxylic acid
Catalogue No.	VQ-052486
CAS Number	2919955-56-7
IUPAC name	1-(trideuteriomethyl)pyrazole-4-carboxylic acid
Molecular formula	C₅H₆N₂O₂
Molecular weight	129.13 g/mol
Exact mass	129.0618
Grade	Reference Standard
HSN code	38229090
InChIKey	UPPPWUOZCSMDTR-FIBGUPNXSA-N
SMILES	[2H]C([2H])([2H])N1C=C(C=N1)C(=O)O
PubChem CID	167738490

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.2
H-bond donors / acceptors	1 / 3
TPSA	55.1 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 1-Methyl-d3-1H-pyrazole-4-carboxylic acid?

The CAS Registry Number of 1-Methyl-d3-1H-pyrazole-4-carboxylic acid is 2919955-56-7. It is also known as 1H-Pyrazole-4-carboxylic acid,1-(methyl D3), 1-(2H3)methyl-1H-pyrazole-4-carboxylic acid.

What is the molecular formula and molecular weight of 1-Methyl-d3-1H-pyrazole-4-carboxylic acid?

1-Methyl-d3-1H-pyrazole-4-carboxylic acid has the molecular formula C5H6N2O2 and a molecular weight of 129.13 g/mol. Its IUPAC name is 1-(trideuteriomethyl)pyrazole-4-carboxylic acid.

Which grade and pack sizes of 1-Methyl-d3-1H-pyrazole-4-carboxylic acid can I order?

We supply 1-Methyl-d3-1H-pyrazole-4-carboxylic acid 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 1-Methyl-d3-1H-pyrazole-4-carboxylic acid?

Yes. Every lot of 1-Methyl-d3-1H-pyrazole-4-carboxylic acid 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 1-Methyl-d3-1H-pyrazole-4-carboxylic acid be shipped internationally?

Yes. We export 1-Methyl-d3-1H-pyrazole-4-carboxylic acid worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.