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

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;6,7-Dimethoxyquinazoline-2,4-d;Doxazosin USP Related Compound B;Doxazosin Mesilate EP Impurity D
CBNumber:
CB1308378
Molecular Formula:
C10H10N2O4
Molecular Weight:
222.2
MDL Number:
MFCD00023889
MOL File:
28888-44-0.mol
MSDS File:
SDS
Last updated:2023-04-23 13:52:06

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

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)
FDA UNII K7867Z125J

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P305+P351+P338-P261-P280a-P304+P340-P405-P501a-P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-37/39
WGK Germany  3
HS Code  29339990
NFPA 704
1
2 0

6,7-Dimethoxyquinazoline-2,4-dione price More Price(41)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich PHR3311 Doxazosin Related Compound B certified reference material, pharmaceutical secondary standard 28888-44-0 50MG $576 2024-03-01 Buy
Sigma-Aldrich 1225441 Doxazosin Related Compound B United States Pharmacopeia (USP) Reference Standard 28888-44-0 20mg $1300 2024-03-01 Buy
Sigma-Aldrich 329258 6,7-Dimethoxy-2,4-quinazolinedione 97% 28888-44-0 5g $104 2023-06-20 Buy
TCI Chemical D1839 6,7-Dimethoxyquinazoline-2,4-dione >98.0%(HPLC)(T) 28888-44-0 5g $31 2024-03-01 Buy
TCI Chemical D1839 6,7-Dimethoxyquinazoline-2,4-dione >98.0%(HPLC)(T) 28888-44-0 25g $88 2024-03-01 Buy
Product number Packaging Price Buy
PHR3311 50MG $576 Buy
1225441 20mg $1300 Buy
329258 5g $104 Buy
D1839 5g $31 Buy
D1839 25g $88 Buy

6,7-Dimethoxyquinazoline-2,4-dione Chemical Properties,Uses,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

Global( 281)Suppliers
Supplier Tel Email Country ProdList Advantage
Capot Chemical Co.,Ltd.
571-85586718 +8613336195806 sales@capotchem.com China 29797 60
Shanghai Daken Advanced Materials Co.,Ltd
+86-371-66670886 info@dakenam.com China 14936 58
Hubei Jusheng Technology Co.,Ltd.
18871490254 linda@hubeijusheng.com CHINA 28180 58
Xiamen AmoyChem Co., Ltd
+86-592-6051114 +8618959220845 sales@amoychem.com China 6387 58
Standardpharm Co. Ltd.
86-714-3992388 overseasales1@yongstandards.com United States 14336 58
Alchem Pharmtech,Inc.
8485655694 sales@alchempharmtech.com United States 63711 58
Wuhan Chemwish Technology Co., Ltd
027-67849912 sales@chemwish.com CHINA 10828 58
career henan chemical co
+86-0371-86658258 15093356674; factory@coreychem.com China 29826 58
Shaanxi Dideu Medichem Co. Ltd
+86-029-81148696 +8615536356810 1047@dideu.com China 3984 58
SIMAGCHEM CORP
+86-13806087780 sale@simagchem.com China 17368 58

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

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
6,7-Dimethoxyquinazoline-2,4-dione  pictures 2022-03-04 6,7-Dimethoxyquinazoline-2,4-dione
28888-44-0
US $1.10 / g 1g 99.00% 100 Tons Dideu Industries Group Limited
6,7-Dimethoxyquinazoline-2,4-dione pictures 2021-10-14 6,7-Dimethoxyquinazoline-2,4-dione
28888-44-0
US $10.00 / Kg/Bag 1KG 99% 20 tons Hebei Zhanyao Biotechnology Co. Ltd
6,7-Dimethoxyquinazoline-2,4-dione pictures 2021-08-12 6,7-Dimethoxyquinazoline-2,4-dione
28888-44-0
US $15.00-10.00 / KG 1KG 99%+ HPLC Monthly supply of 1 ton Zhuozhou Wenxi import and Export Co., Ltd
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-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 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 Doxazosin Impurity 5 Doxazosin Impurity 4(Doxazosin EP Impurity D) 6,7-Dimethoxyquinazoline-2,4(1H,3H) 6,7-Dimethoxyquinazoline-2,4-dione > 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) QUINAZOLINDIONE 6,7-Dimethoxyquinazoline-2,4(1H,3H)-dione Doxazosin USP Related Compound B Doxazosin Mesilate EP Impurity D 2,5-Dihydroxy-6,7-dimethoxyquinazoline(DoxazosinImpurity) 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