ChemicalBook > CAS DataBase List > 6,7-Dimethoxyquinazoline-2,4-dione

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
More
Less

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)
More
Less

Safety

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

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.

More
Less

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
More
Less

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

More
Less

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

TCI Chemicals (India) Pvt. Ltd.
Tel
--
Fax
--
Email
sales-in@tcichemicals.com
Country
India
ProdList
6768
Advantage
58
Chemicea Pharmaceuticals Pvt Ltd
Tel
--
Fax
--
Email
sales@chemicea.com
Country
India
ProdList
825
Advantage
58
Alfa Aesar
Tel
--
Fax
--
Email
tech@alfa.com
Country
India
ProdList
6905
Advantage
58
Clearsynth Labs
Tel
--
Fax
--
Email
fo@clearsynth.com
Country
India
ProdList
3887
Advantage
58
Ms Life Sciences
Tel
--
Fax
--
Country
India
ProdList
341
Advantage
58
Pharma Affiliates
Tel
--
Fax
--
Email
@pharmaffiliates.com
Country
India
ProdList
6754
Advantage
58
Qualychem
Tel
--
Fax
--
Country
India
ProdList
4
Advantage
58
Medchem Labs
Tel
--
Fax
--
Email
bd@medchemlabs.in
Country
India
ProdList
10
Advantage
58
Oceanic Pharmachem Pvt. Ltd.
Tel
--
Fax
--
Email
info@oceanicpharmachem.com
Country
India
ProdList
2005
Advantage
58
Synpure Labs India Pvt., Ltd.
Tel
--
Fax
--
Email
bhaskargupta@synpurelabs.com
Country
India
ProdList
31
Advantage
58
Synthink Research Chemicals
Tel
--
Fax
--
Country
India
ProdList
398
Advantage
58
Almelo Pvt. Ltd.
Tel
--
Fax
--
Country
India
ProdList
37
Advantage
58
Opulent Pharma
Tel
--
Fax
--
Country
India
ProdList
810
Advantage
58
Keminntek Laboratories
Tel
--
Fax
--
Country
India
ProdList
208
Advantage
58
Cip Global (India)
Tel
--
Fax
--
Country
India
ProdList
81
Advantage
58
Shivam Pharma Chemicals
Tel
--
Fax
--
Email
info@shivampharma.com
Country
India
ProdList
656
Advantage
58
Medkem Laboratories
Tel
--
Fax
--
Email
info@medkem.com
Country
India
ProdList
295
Advantage
58
Santo Righello Pvt. Ltd
Tel
--
Fax
--
Email
marketing@santorighello.com
Country
India
ProdList
918
Advantage
58
Dharmanandan Export Pvt., Ltd.
Tel
--
Fax
--
Email
info@dnexport.com
Country
India
ProdList
161
Advantage
58
Nchem Laboratories
Tel
--
Fax
--
Country
India
ProdList
156
Advantage
58
Reax Chemicals
Tel
--
Fax
--
Country
India
ProdList
4217
Advantage
58
SynZeal Research Pvt Ltd
Tel
--
Fax
--
Email
standards@synzeal.com
Country
India
ProdList
6514
Advantage
58
Pharmaffiliates Analytics and Synthetics P. Ltd
Tel
--
Fax
--
Email
mktg@pharmaffiliates.com
Country
India
ProdList
6739
Advantage
58
A.J Chemicals
Tel
--
Fax
--
Email
sales@ajchem.in
Country
India
ProdList
6100
Advantage
58
CHEMSWORTH
Tel
--
Fax
--
Email
info@chemsworth.com
Country
India
ProdList
6700
Advantage
30
OCEAN TRADING CORPORATION
Tel
--
Fax
--
Email
otcchem@otcchem.com
Country
India
ProdList
6202
Advantage
58
More
Less

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:


  • 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
  • Heterocyclic Building Blocks
  • Building Blocks
  • Quinazolines
  • Aromatics
  • Heterocycles
  • Intermediates & Fine Chemicals
  • Pharmaceuticals
  • Building Blocks
  • Heterocyclic Building Blocks
  • Quinazolines
  • Quinoline&Isoquinoline
  • Doxazosin
  • Quinolines, Quinazolines and derivatives