Acetaminophen D4

Name: Acetaminophen D4
Brand: Vaqora Chemicals
SKU: VQ-033062

About Acetaminophen D4

Vaqora Chemicals supplies Acetaminophen D4, a stable isotope labelled analogue related to Paracetamol registered under CAS number 64315-36-2. The compound has the formula C8H9NO2, corresponding to a molecular weight of 155.19 g/mol. Systematically, it is named N-(2,3,5,6-tetradeuterio-4-hydroxyphenyl)acetamide. Common synonyms include Acetaminophen-D4 (major) and Paracetamol-D4.

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. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

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, Acetaminophen 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 Paracetamol

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

Paracetamol impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Acetaminophen D4
Catalogue No.	VQ-033062
CAS Number	64315-36-2
IUPAC name	N-(2,3,5,6-tetradeuterio-4-hydroxyphenyl)acetamide
Molecular formula	C₈H₉NO₂
Molecular weight	155.19 g/mol
Exact mass	155.0884
Grade	Reference Standard
HSN code	38229090
InChIKey	RZVAJINKPMORJF-QFFDRWTDSA-N
SMILES	[2H]C1=C(C(=C(C(=C1NC(=O)C)[2H])[2H])O)[2H]
PubChem CID	12205925

Physical properties
Physical form	Solid
LogP (XLogP3)	0.5
H-bond donors / acceptors	2 / 2
TPSA	49.3 Å²
Synonyms	Acetaminophen-D4 (major), Paracetamol-D4, N-(2,3,5,6-tetradeuterio-4-hydroxy-phenyl)acetamide, 4-Acetamidophenol-d4, N-Acetyl-4-aminophenol-d4, Paracetamol D4 (phenyl D4), N-[4-hydroxy(2H4)phenyl]acetamide, N-[4-Hydroxy(~2~H_4_)phenyl]acetamide

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

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 Acetaminophen D4?

The CAS Registry Number of Acetaminophen D4 is 64315-36-2. It is also known as Acetaminophen-D4 (major), Paracetamol-D4, N-(2,3,5,6-tetradeuterio-4-hydroxy-phenyl)acetamide.

What is the molecular formula and molecular weight of Acetaminophen D4?

Acetaminophen D4 has the molecular formula C8H9NO2 and a molecular weight of 155.19 g/mol. Its IUPAC name is N-(2,3,5,6-tetradeuterio-4-hydroxyphenyl)acetamide.

What is Acetaminophen D4 used for?

Acetaminophen D4 is supplied as a characterised reference material related to Paracetamol. 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 Acetaminophen D4 can I order?

We supply Acetaminophen 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 Acetaminophen D4?

Yes. Every lot of Acetaminophen 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 Acetaminophen D4 be shipped internationally?

Yes. Acetaminophen D4 is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.