6,7-Dimethoxyquinazolin-4(3H)-one

Name: 6,7-Dimethoxyquinazolin-4(3H)-one
Brand: Vaqora Chemicals
SKU: VQ-013151

About 6,7-Dimethoxyquinazolin-4(3H)-one

6,7-Dimethoxyquinazolin-4(3H)-one (CAS 13794-72-4) is a process intermediate or related compound of Gefitinib offered by Vaqora Chemicals. With the molecular formula C10H10N2O3, it has a molar mass of 206.2 g/mol. The IUPAC name is 6,7-dimethoxy-3H-quinazolin-4-one. Alternative names: 6,7-Dimethoxy-4(3H)-quinazolinone and 6,7-Dimethoxy-3,4-dihydroquinazolin-4-one.

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. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Process chemists and analysts use it when developing synthetic routes to Gefitinib, tracking process-related impurities and validating analytical methods. 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. Stock is available for quick dispatch.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development

Industries

Related to Gefitinib

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

Gefitinib impurities

Specifications & identifiers

Chemical identifiers
Product name	6,7-Dimethoxyquinazolin-4(3H)-one
Catalogue No.	VQ-013151
CAS Number	13794-72-4
IUPAC name	6,7-dimethoxy-3H-quinazolin-4-one
Molecular formula	C₁₀H₁₀N₂O₃
Molecular weight	206.2 g/mol
Exact mass	206.0691
Grade	Reference Standard
HSN code	2933
InChIKey	DMSRMHGCZUXCMJ-UHFFFAOYSA-N
SMILES	COC1=C(C=C2C(=C1)C(=O)NC=N2)OC
PubChem CID	135495016

Physical properties
Physical form	Solid
LogP (XLogP3)	0.6
H-bond donors / acceptors	1 / 4
TPSA	59.9 Å²
Synonyms	6,7-Dimethoxy-4(3H)-quinazolinone, 6,7-Dimethoxy-3,4-dihydroquinazolin-4-one, 6,7-Dimethoxy-4-oxo-3,4-dihydroquinazoline, 6,7-Dimethoxy-4-quinazolone, 6,7-Dimethoxyquinazolin-4(3H)-one, 6,7-Dimethoxyquinazoline-4-one, 6,7-dimethoxy-1H-quinazolin-4-one, 6,7-dimethoxyquinazolin-4-ol, 6,7-Dimethoxy-3,4-dihydroquinazoline-4-one, 6,7-dimethoxyquinazolin-4(1H)-one, 6,7-dimethoxy-4(1h)-quinazolinone, 4(1H)-Quinazolinone, 6,7-dimethoxy-

Safety & hazard information (GHS)

Toxic

Harmful / irritant

Signal word: Danger

Hazard statements

H301Toxic if swallowed
H315Causes skin irritation
H319Causes serious eye irritation

Precautionary statements: P264, P264 + P265, P270, P280, P301 + P316, P302 + P352, P305 + P351 + P338, P321, P330, P332 + P317, P337 + P317, P362 + P364, 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 6,7-Dimethoxyquinazolin-4(3H)-one?

The CAS Registry Number of 6,7-Dimethoxyquinazolin-4(3H)-one is 13794-72-4. It is also known as 6,7-Dimethoxy-4(3H)-quinazolinone, 6,7-Dimethoxy-3,4-dihydroquinazolin-4-one, 6,7-Dimethoxy-4-oxo-3,4-dihydroquinazoline.

What is the molecular formula and molecular weight of 6,7-Dimethoxyquinazolin-4(3H)-one?

6,7-Dimethoxyquinazolin-4(3H)-one has the molecular formula C10H10N2O3 and a molecular weight of 206.2 g/mol. Its IUPAC name is 6,7-dimethoxy-3H-quinazolin-4-one.

What is 6,7-Dimethoxyquinazolin-4(3H)-one used for?

6,7-Dimethoxyquinazolin-4(3H)-one is supplied as a characterised reference material related to Gefitinib. 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-Dimethoxyquinazolin-4(3H)-one can I order?

We supply 6,7-Dimethoxyquinazolin-4(3H)-one in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg, 250 mg, 500 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 6,7-Dimethoxyquinazolin-4(3H)-one?

Yes. Every lot of 6,7-Dimethoxyquinazolin-4(3H)-one 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-Dimethoxyquinazolin-4(3H)-one be shipped internationally?

Yes. 6,7-Dimethoxyquinazolin-4(3H)-one 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.