6,7-Dimethoxyquinazoline-2,4-dione

Product Name: 6,7-Dimethoxyquinazoline-2,4-dione
CAS No.: 28888-44-0
Chemical Name: 6,7-Dimethoxyquinazoline-2,4-dione
Synonyms: 6,7-Dimethoxyquinazoline-2,4(1H,3H)-dione;QUINAZOLINDIONE;6,7-Dime;Doxazosin Impurity 5;LABOTEST-BB LT00453115;Doxazosin EP IMpurity D;Doxazosin Related CoMpound B;Doxazosin Mesilate Impurity D;6,7-Dimethoxyquinazoline-2,4-d;Doxazosin USP Related Compound B
CBNumber: CB1308378
Molecular Formula: C10H10N2O4
Formula Weight: 222.2
MOL File: 28888-44-0.mol

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6,7-Dimethoxyquinazoline-2,4-dione Property

Melting point:: >300 °C (lit.)
Boiling point:: 363.37°C (rough estimate)
Density: 1.3404 (rough estimate)
refractive index: 1.6300 (estimate)
storage temp.: 2-8°C
solubility: Aqueous Acid (Sparingly)
pka: 10.27±0.20(Predicted)
color: White to Off-White
Water Solubility: insoluble
BRN: 204597
CAS DataBase Reference: 28888-44-0(CAS DataBase Reference)

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Safety

Hazard Codes: Xi
Risk Statements: 36/37/38
Safety Statements: 26-37/39
WGK Germany: 3
HS Code: 29339990

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P405Store locked up.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: PHR3311
Product name: Doxazosin Related Compound B
Purity: certified reference material, pharmaceutical secondary standard
Packaging: 50MG
Price: $576
Updated: 2024/03/01

Sigma-Aldrich

Product number: 1225441
Product name: Doxazosin Related Compound B
Purity: United States Pharmacopeia (USP) Reference Standard
Packaging: 20mg
Price: $1300
Updated: 2024/03/01

Sigma-Aldrich

Product number: 329258
Product name: 6,7-Dimethoxy-2,4-quinazolinedione
Purity: 97%
Packaging: 5g
Price: $104
Updated: 2023/06/20

TCI Chemical

Product number: D1839
Product name: 6,7-Dimethoxyquinazoline-2,4-dione
Purity: >98.0%(HPLC)(T)
Packaging: 5g
Price: $31
Updated: 2024/03/01

TCI Chemical

Product number: D1839
Product name: 6,7-Dimethoxyquinazoline-2,4-dione
Purity: >98.0%(HPLC)(T)
Packaging: 25g
Price: $88
Updated: 2024/03/01

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6,7-Dimethoxyquinazoline-2,4-dione Chemical Properties,Usage,Production

Chemical Properties

brown powder

Uses

6,7-Dimethoxyquinazoline-2,4-dione (Doxazosin EP Impurity D) is an intermediate in the preparation of Alfuzosin hydrochloride (A532000), an antihypertensive.

6,7-Dimethoxyquinazoline-2,4-dione Preparation Products And Raw materials

Raw materials

Preparation Products

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6,7-Dimethoxyquinazoline-2,4-dione Suppliers

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View Lastest Price from 6,7-Dimethoxyquinazoline-2,4-dione manufacturers

Hebei Mojin Biotechnology Co.,Ltd

Product: 6,7-Dimethoxyquinazoline-2,4-dione 28888-44-0
Price: US $0.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 50000KG/month
Release date: 2024-08-14

Hebei Zhanyao Biotechnology Co. Ltd

Product: 6,7-Dimethoxyquinazoline-2,4-dione 28888-44-0
Price: US $10.00/Kg/Bag
Min. Order: 1KG
Purity: 99%
Supply Ability: 20 tons
Release date: 2021-10-13

Zhuozhou Wenxi import and Export Co., Ltd

Product: 6,7-Dimethoxyquinazoline-2,4-dione 28888-44-0
Price: US $15.00-10.00/KG
Min. Order: 1KG
Purity: 99%+ HPLC
Supply Ability: Monthly supply of 1 ton
Release date: 2021-08-11

28888-44-0, 6,7-Dimethoxyquinazoline-2,4-dioneRelated Search:

Cefazolin sodium salt Naphazoline hydrochloride Dimethyldimethoxysilane Quinazoline 5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one Cefazolin Oxazoline Benzoyleneurea 6,7-DIMETHOXYQUINAZOLINE-2,4-DIONE = 6,7-DIMETHOXY-(1H,3H)-2,4-QUINAZOLINDIONE Dimethoxy 6,7-Dimethoxyquinazoline-2,4-dione

QUINAZOLINDIONE

2,4-Dihydroxy-6,7-dimethoxquinazoline

2,4-DIONE-6,7-DIMETHOXYQUINAZOLINE

2,4-DIHYDROXY-6,7-DIMETHOXYQUINAZOLINE

LABOTEST-BB LT00453115

1,2,3,4-TETRAHYDRO-6,7-DIMETHOXYQUINAZOLINE-2,4-DIONE

6,7-DIMETHOXY-(1H,3H)-2,4-QUINAZOLINDIONE

6,7-DIMETHOXY-2,4(1H,3H)-QUINAZOLINEDIONE

6,7-DIMETHOXY-QUINAZOLINE-2,4-DIOL

6,7-DIMETHOXYQUINAZOLINE-2,4-DIONE

6,7-DIMETHOXY-2,4-QUINAZOLINEDIONE

2,4-Dihydroxyl-6,7-dimethoxyquinazoline

6,7-Dimethoxy-2,4-(1H,3H)quinazolidion

6,7-dimethoxquinazoline-2,4(1h,3h)-dione

6,7-Dimethoxyquinazoline-2,4-d

2,4(1H,3H)-Quinazolinedione, 6,7-dimethoxy-

6,7-Dimethoxyquinazoline-2,4(1H,3H)-dione

6,7-Dimethoxy-1,3-dihydro-2,4-quinazolinedione

6,7-DIMETHOXYQUINAZOLINE-2,4-DIONE 98%

6,7-[ DIMETHOXYQUINAZOLINE-2,4-DIONE [6,7-DIMETHOXY-2,4(1H,3H)QUINAZOLINEDIONETERAZOSIN

Doxazosin Impurity 5

Doxazosin Impurity 4（Doxazosin EP Impurity D）

6,7-Dimethoxy-1H-quinazoline-2,4-dione

6,7-Dimethoxy-2,4-dioxo-1,2,3,4-tetrahydroquinazoline

6,7-Dimethoxy-2,4(1H,3H)-quinazolinedione,97%

6,7-Dime

2,5-Dihydroxy-6,7-diMethoxyquinazoline

1,2,3,4-TETRAHYDRO-6,6-DIMETHOXYQUINAZOL

Doxazosin EP IMpurity D

Doxazosin Related Compound B (20 mg) (6,7-dimethoxyquinazoline-2,4-dione)

Doxazosin Related CoMpound B

6,7-Dimethoxy-2,4-quinazolinedione 97%

6,7-dimethoxyquinazoline-2,5-diol

1,2,3,4-Tetrahydro-6,7-dimethoxyquinazoline-2,4-dione for synthesis

6,7-Dimethoxyquinazoline-2,4(1H,3H)

6,7-Dimethoxyquinazoline-2,4-dione &gt

6,7-Dimethoxyquinazoline-2,4-dione ISO 9001：2015 REACH

Doxazosin EP Impurity D/ Doxazosin Related Compound B

Doxazosin Related Compound B (6,7-dimethoxyquinazoline-2,4-dione) (1225441)

Doxazosin USP Related Compound B

Doxazosin Mesilate EP Impurity D

2,5-Dihydroxy-6,7-dimethoxyquinazoline(DoxazosinImpurity)

Doxazosin Mesilate Impurity D

28888-44-0

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