Acetaminophen Dimer

Name: Acetaminophen Dimer
Brand: Vaqora Chemicals
SKU: VQ-023464

About Acetaminophen Dimer

Acetaminophen Dimer (CAS 98966-14-4) is an impurity of Paracetamol offered by Vaqora Chemicals. With the molecular formula C16H16N2O4, it has a molar mass of 300.31 g/mol. Systematically, it is named N-[3-(5-acetamido-2-hydroxyphenyl)-4-hydroxyphenyl]acetamide. Alternative names: Paracetamol Dimer and DiOH-diAcNH-biphenyl.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Good laboratory practice and suitable PPE are recommended during handling.

This Paracetamol impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer Acetaminophen Dimer in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Paracetamol

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

Paracetamol impurities

Specifications & identifiers

Chemical identifiers
Product name	Acetaminophen Dimer
Catalogue No.	VQ-023464
CAS Number	98966-14-4
IUPAC name	N-[3-(5-acetamido-2-hydroxyphenyl)-4-hydroxyphenyl]acetamide
Molecular formula	C₁₆H₁₆N₂O₄
Molecular weight	300.31 g/mol
Exact mass	300.111
Grade	Reference Standard
HSN code	38229090
InChIKey	PHJCCQZHFLRCAA-UHFFFAOYSA-N
SMILES	CC(=O)NC1=CC(=C(C=C1)O)C2=C(C=CC(=C2)NC(=O)C)O
PubChem CID	130451

Physical properties
Physical form	Solid
LogP (XLogP3)	1.2
H-bond donors / acceptors	4 / 4
TPSA	98.7 Å²
Synonyms	Paracetamol Dimer, DiOH-diAcNH-biphenyl, Acetamide, N,N'-(6,6'-dihydroxy[1,1'-biphenyl]-3,3'-diyl)bis-, 2,2'-Dihydroxy-5,5'-diacetyldiaminebiphenyl, Acetamide, N,N'-(6,6'-dihydroxy(1,1'-biphenyl)-3,3'-diyl)bis-, N,N'-(6,6'-Dihydroxy(1,1'-biphenyl)-3,3'-diyl)bisacetamide, n,n'-(6,6'-dihydroxybiphenyl-3,3'-diyl)diacetamide, N,N'-(6,6'-Dihydroxy-[1,1'-biphenyl]-3,3'-diyl)diacetamide, N,N'-(6,6'-Dihydroxy[1,1'-biphenyl]-3,3'-diyl)bis[acetamide], Acetaminophen TP mz 301, RT 3.50, N,N'-(6,6'-Dihydroxy[1,1'-biphenyl]-3,3'-diyl)diacetamide, N-[3-(5-acetamido-2-hydroxy-phenyl)-4-hydroxy-phenyl]acetamide

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 Dimer?

The CAS Registry Number of Acetaminophen Dimer is 98966-14-4. It is also known as Paracetamol Dimer, DiOH-diAcNH-biphenyl, Acetamide, N,N'-(6,6'-dihydroxy[1,1'-biphenyl]-3,3'-diyl)bis-.

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

Acetaminophen Dimer has the molecular formula C16H16N2O4 and a molecular weight of 300.31 g/mol. Its IUPAC name is N-[3-(5-acetamido-2-hydroxyphenyl)-4-hydroxyphenyl]acetamide.

What is Acetaminophen Dimer used for?

Acetaminophen Dimer 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 Dimer can I order?

We supply Acetaminophen Dimer 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 Dimer?

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

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