4-Methyl Tapinarof Impurity

Name: 4-Methyl Tapinarof Impurity
Brand: Vaqora Chemicals
SKU: VQ-034044

About 4-Methyl Tapinarof Impurity

4-Methyl Tapinarof Impurity (CAS 2657659-60-2) is an impurity of Tapinarof offered by Vaqora Chemicals. Formula C18H20O2, molecular weight 268.3 g/mol. Systematically, it is named 4-methyl-5-[(E)-2-phenylethenyl]-2-propan-2-ylbenzene-1,3-diol. It is also known as 4-Methyl Tapinarof or Tapinarof Impurity 5.

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.

Pharmaceutical QC and development laboratories use this impurity standard of Tapinarof to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

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

Industries

Related to Tapinarof

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

Tapinarof impurities

Specifications & identifiers

Chemical identifiers
Product name	4-Methyl Tapinarof Impurity
Catalogue No.	VQ-034044
CAS Number	2657659-60-2
IUPAC name	4-methyl-5-[(E)-2-phenylethenyl]-2-propan-2-ylbenzene-1,3-diol
Molecular formula	C₁₈H₂₀O₂
Molecular weight	268.3 g/mol
Exact mass	268.1463
Grade	Reference Standard
HSN code	38229090
InChIKey	ROZLHMQMKANDCD-MDZDMXLPSA-N
SMILES	CC1=C(C(=C(C=C1/C=C/C2=CC=CC=C2)O)C(C)C)O
PubChem CID	156771965

Physical properties
Physical form	Solid
LogP (XLogP3)	5
H-bond donors / acceptors	2 / 2
TPSA	40.5 Å²
Synonyms	4-Methyl Tapinarof, (E)-2-Isopropyl-4-methyl-5-styrylbenzene-1,3-diol, 4-methyl-2-(1-methylethyl)-5-[(1E)-2-phenylethenyl]-1,3-Benzenediol, Tapinarof Impurity 5, 1,3-Benzenediol, 4-methyl-2-(1-methylethyl)-5-[(1E)-2-phenylethenyl]-

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 4-Methyl Tapinarof Impurity?

The CAS Registry Number of 4-Methyl Tapinarof Impurity is 2657659-60-2. It is also known as 4-Methyl Tapinarof, (E)-2-Isopropyl-4-methyl-5-styrylbenzene-1,3-diol, 4-methyl-2-(1-methylethyl)-5-[(1E)-2-phenylethenyl]-1,3-Benzenediol.

What is the molecular formula and molecular weight of 4-Methyl Tapinarof Impurity?

4-Methyl Tapinarof Impurity has the molecular formula C18H20O2 and a molecular weight of 268.3 g/mol. Its IUPAC name is 4-methyl-5-[(E)-2-phenylethenyl]-2-propan-2-ylbenzene-1,3-diol.

What is 4-Methyl Tapinarof Impurity used for?

4-Methyl Tapinarof Impurity is supplied as a characterised reference material related to Tapinarof. 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 4-Methyl Tapinarof Impurity can I order?

We supply 4-Methyl Tapinarof Impurity 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 4-Methyl Tapinarof Impurity?

Yes. Every lot of 4-Methyl Tapinarof Impurity 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 4-Methyl Tapinarof Impurity be shipped internationally?

Yes. We export 4-Methyl Tapinarof Impurity worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.