Tofisopam Impurity 4

About Tofisopam Impurity 4

Tofisopam Impurity 4 is an impurity of Tofisopam carrying the CAS registry number 4483-47-0. With the molecular formula C22H28O4, it has a molar mass of 356.5 g/mol. The IUPAC name is 1-(3,4-dimethoxyphenyl)-3-ethyl-5,6-dimethoxy-2-methyl-2,3-dihydro-1H-indene. It is also known as Tofisopam impurity C or Diisohomoeugenol.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Handle it with standard laboratory precautions and appropriate personal protective equipment.

This Tofisopam impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. 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 Tofisopam

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

Tofisopam impurities

Specifications & identifiers

Chemical identifiers
Product name	Tofisopam Impurity 4
Catalogue No.	VQ-034314
CAS Number	4483-47-0
IUPAC name	1-(3,4-dimethoxyphenyl)-3-ethyl-5,6-dimethoxy-2-methyl-2,3-dihydro-1H-indene
Molecular formula	C₂₂H₂₈O₄
Molecular weight	356.5 g/mol
Exact mass	356.1988
Grade	Reference Standard
HSN code	38229090
InChIKey	RTPSBRFMJKJZNR-UHFFFAOYSA-N
SMILES	CCC1C(C(C2=CC(=C(C=C12)OC)OC)C3=CC(=C(C=C3)OC)OC)C
PubChem CID	223051

Physical properties
Physical form	Solid
LogP (XLogP3)	5.2
H-bond donors / acceptors	0 / 4
TPSA	36.9 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 Tofisopam Impurity 4?

The CAS Registry Number of Tofisopam Impurity 4 is 4483-47-0. It is also known as Tofisopam impurity C, Diisohomoeugenol, 1-(3,4-dimethoxyphenyl)-3-ethyl-5,6-dimethoxy-2-methyl-indane.

What is the molecular formula and molecular weight of Tofisopam Impurity 4?

Tofisopam Impurity 4 has the molecular formula C22H28O4 and a molecular weight of 356.5 g/mol. Its IUPAC name is 1-(3,4-dimethoxyphenyl)-3-ethyl-5,6-dimethoxy-2-methyl-2,3-dihydro-1H-indene.

What is Tofisopam Impurity 4 used for?

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

We supply Tofisopam Impurity 4 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 Tofisopam Impurity 4?

Yes. Every lot of Tofisopam Impurity 4 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 Tofisopam Impurity 4 be shipped internationally?

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