Aspirin-d4

Name: Aspirin-d4
Brand: Vaqora Chemicals
SKU: VQ-024131

About Aspirin-d4

Vaqora Chemicals supplies Aspirin-d4, a stable isotope labelled analogue related to Aspirin registered under CAS number 97781-16-3. The compound has the formula C9H8O4, corresponding to a molecular weight of 184.18 g/mol. Systematically, it is named 2-acetyloxy-3,4,5,6-tetradeuteriobenzoic acid. Common synonyms include Acetylsalicylic Acid-d4 and Acetylsalicylic Acid-D4 (Aspirin-D4).

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. 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, Aspirin-d4 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 Aspirin

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

Aspirin impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Aspirin-d4
Catalogue No.	VQ-024131
CAS Number	97781-16-3
IUPAC name	2-acetyloxy-3,4,5,6-tetradeuteriobenzoic acid
Molecular formula	C₉H₈O₄
Molecular weight	184.18 g/mol
Exact mass	184.0674
Grade	Reference Standard
HSN code	38229090
InChIKey	BSYNRYMUTXBXSQ-QFFDRWTDSA-N
SMILES	[2H]C1=C(C(=C(C(=C1[2H])C(=O)O)OC(=O)C)[2H])[2H]
PubChem CID	46780045

Physical properties
Physical form	Solid
LogP (XLogP3)	1.2
H-bond donors / acceptors	1 / 4
TPSA	63.6 Å²
Synonyms	Acetylsalicylic Acid-d4, Acetylsalicylic Acid-D4 (Aspirin-D4), 2-(Acetyloxy)(~2~H_4_)benzoic acid, 2-Acetoxybenzoic-3,4,5,6-d4 Acid, TMID-0336, Benzoic-2,3,4,5-d4 acid, 6-(acetyloxy)-, 2-acetoxy-3,4,5,6-tetradeuterio-benzoic acid

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 Aspirin-d4?

The CAS Registry Number of Aspirin-d4 is 97781-16-3. It is also known as Acetylsalicylic Acid-d4, Acetylsalicylic Acid-D4 (Aspirin-D4), 2-(Acetyloxy)(~2~H_4_)benzoic acid.

What is the molecular formula and molecular weight of Aspirin-d4?

Aspirin-d4 has the molecular formula C9H8O4 and a molecular weight of 184.18 g/mol. Its IUPAC name is 2-acetyloxy-3,4,5,6-tetradeuteriobenzoic acid.

What is Aspirin-d4 used for?

Aspirin-d4 is supplied as a characterised reference material related to Aspirin. 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 Aspirin-d4 can I order?

We supply Aspirin-d4 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 Aspirin-d4?

Yes. Every lot of Aspirin-d4 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 Aspirin-d4 be shipped internationally?

Yes. We export Aspirin-d4 worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.