Allopurinol-d2

Name: Allopurinol-d2
Brand: Vaqora Chemicals
SKU: VQ-024201

About Allopurinol-d2

Listed under CAS 916979-34-5, Allopurinol-d2 is a stable isotope labelled analogue related to Allopurinol available from Vaqora Chemicals. The compound has the formula C5H4N4O, corresponding to a molecular weight of 138.12 g/mol. Its systematic (IUPAC) name is 3,6-dideuterio-1,7-dihydropyrazolo[5,4-d]pyrimidin-4-one. It is also known as TMID-0196.

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. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Allopurinol-d2 is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

LC-MS/MS internal standard
Bioanalytical quantitation
Pharmacokinetic studies

Industries

Related to Allopurinol

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

Allopurinol impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Allopurinol-d2
Catalogue No.	VQ-024201
CAS Number	916979-34-5
IUPAC name	3,6-dideuterio-1,7-dihydropyrazolo[5,4-d]pyrimidin-4-one
Molecular formula	C₅H₄N₄O
Molecular weight	138.12 g/mol
Exact mass	138.0511
Grade	Reference Standard
HSN code	38229090
InChIKey	OFCNXPDARWKPPY-QDNHWIQGSA-N
SMILES	[2H]C1=NNC2=C1C(=O)N=C(N2)[2H]
PubChem CID	136257785

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.6
H-bond donors / acceptors	2 / 2
TPSA	70.1 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 Allopurinol-d2?

The CAS Registry Number of Allopurinol-d2 is 916979-34-5. It is also known as TMID-0196.

What is the molecular formula and molecular weight of Allopurinol-d2?

Allopurinol-d2 has the molecular formula C5H4N4O and a molecular weight of 138.12 g/mol. Its IUPAC name is 3,6-dideuterio-1,7-dihydropyrazolo[5,4-d]pyrimidin-4-one.

What is Allopurinol-d2 used for?

Allopurinol-d2 is supplied as a characterised reference material related to Allopurinol. 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 Allopurinol-d2 can I order?

We supply Allopurinol-d2 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 Allopurinol-d2?

Yes. Every lot of Allopurinol-d2 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 Allopurinol-d2 be shipped internationally?

Yes. We export Allopurinol-d2 worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.