6,7-Dimethoxyisatin

About 6,7-Dimethoxyisatin

6,7-Dimethoxyisatin is an impurity of Isoproterenol carrying the CAS registry number 76159-91-6. Formula C10H9NO4, molecular weight 207.18 g/mol. Systematically, it is named 6,7-dimethoxy-1H-indole-2,3-dione.

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. Good laboratory practice and suitable PPE are recommended during handling.

Pharmaceutical QC and development laboratories use this impurity standard of Isoproterenol to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. It is used across 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 Isoproterenol

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

Isoproterenol impurities

Specifications & identifiers

Chemical identifiers
Product name	6,7-Dimethoxyisatin
Catalogue No.	VQ-043699
CAS Number	76159-91-6
IUPAC name	6,7-dimethoxy-1H-indole-2,3-dione
Molecular formula	C₁₀H₉NO₄
Molecular weight	207.18 g/mol
Exact mass	207.0532
Grade	Reference Standard
HSN code	38229090
InChIKey	JWSVFVKYHWGSGY-UHFFFAOYSA-N
SMILES	COC1=C(C2=C(C=C1)C(=O)C(=O)N2)OC
PubChem CID	11458413

Physical properties
Physical form	Solid
LogP (XLogP3)	0.7
H-bond donors / acceptors	1 / 4
TPSA	64.6 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 6,7-Dimethoxyisatin?

The CAS Registry Number of 6,7-Dimethoxyisatin is 76159-91-6.

What is the molecular formula and molecular weight of 6,7-Dimethoxyisatin?

6,7-Dimethoxyisatin has the molecular formula C10H9NO4 and a molecular weight of 207.18 g/mol. Its IUPAC name is 6,7-dimethoxy-1H-indole-2,3-dione.

What is 6,7-Dimethoxyisatin used for?

6,7-Dimethoxyisatin is supplied as a characterised reference material related to Isoproterenol. 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 6,7-Dimethoxyisatin can I order?

We supply 6,7-Dimethoxyisatin 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 6,7-Dimethoxyisatin?

Yes. Every lot of 6,7-Dimethoxyisatin 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 6,7-Dimethoxyisatin be shipped internationally?

Yes. We export 6,7-Dimethoxyisatin worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.