6,7-Dimethoxyquinazoline-2,4-dione CAS 28888-44-0

CAS NO: 28888-44-0
Molecular Formula: C10H10N2O4
Molecular Weight: 222.2
EINECS NO: 249-288-1
MDL NO: MFCD00023889
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Product Details

Product Description:

Product Name: 6,7-Dimethoxyquinazoline-2,4-dione CAS NO: 28888-44-0




Chemical & Physical Properties:

Appearance : Off-White to slightly yellowish powder

Assay : ≥99.0%

Density: 1.312 g/cm3

Melting point: 323-325℃

Boiling Point: 507.9℃ at 760 mmHg

Flash Point: 260.9℃

Refractive Index:1.552

Vapor Pressure: 0.0mmHg at 25°C

PSA: 84.18000

LogP: 0.23360

Solubility: insoluble.

Category: Standards; Pharmaceutical/API Drug Impurities/Metabolites;

Safety Information:

HS Code: 2933999090

Safety Statements: S26-S37/39

WGK Germany : 3

Risk Statements: R36/37/38

Hazard Codes: Xi

Symbol: GHS07

Signal Word: Warning

Caution Statement: P261; P305 + P351 + P338

Hazard Declaration : H315; H319; H335

Storage:Stored in a cool and dry well-closed container. Keep away from moisture and strong light/heat.


6,7-Dimethoxy-2,4-quinazolinedione is an intermediate of Alfuzosin hydrochloride, an antihypertensive.Doxazosin Related Compound B; Doxazosin EP Impurity D.

Our factory manufacture’s 6,7-Dimethoxyquinazoline-2,4-dione CAS 28888-44-0 , mature technology, stable output, quality assurance.

Inventory Status : In Stock.

We can provide 6,7-dimethoxy-quinazoline-2,4(1H,3H)-dione COA (certificate of analysis), 6,7-dimethoxy-quinazoline-2,4-diol MOA (Method of Analysis), 2,4-Dihydroxy-6,7-dimethoxquinazoline ROS (Route of synthesis), 6,7-Dimethoxy-2,4(1H,3H)-quinazolinedione MSDS (Material Safety Data Sheet) and other support for you !

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Products under patent are offered for R & D purpose only. However, the final responsibility lies exclusively with the buyer.

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