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ChemicalBook > Product Catalog >Pharmaceutical intermediates >Heterocyclic compound >Quinoline compounds >6,7-Dimethoxyquinazoline-2,4-dione

6,7-Dimethoxyquinazoline-2,4-dione

6,7-Dimethoxyquinazoline-2,4-dione Structure
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
MOL File:
28888-44-0.mol
MSDS File:
SDS
Modify Date:
2025/2/17 21:41:03
Request For Quotation

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)

SAFETY

Risk and Safety Statements

Symbol(GHS) 
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(6)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich(India) PHR3311 Doxazosin Related Compound B certified reference material, pharmaceutical secondary standard 28888-44-0 50MG ₹51635.25 2022-06-14 Buy
Sigma-Aldrich(India) 329258 6,7-Dimethoxy-2,4-quinazolinedione 97% 28888-44-0 5G ₹2100.05 2022-06-14 Buy
TCI Chemicals (India) D1839 6,7-Dimethoxyquinazoline-2,4-dione 28888-44-0 5G ₹2000 2022-05-26 Buy
TCI Chemicals (India) D1839 6,7-Dimethoxyquinazoline-2,4-dione 28888-44-0 25G ₹6200 2022-05-26 Buy
ALFA India ALF-L08411-18 6,7-Dimethoxyquinazoline-2,4-dione, 98% 28888-44-0 50g ₹12561 2022-05-26 Buy
Product number Packaging Price Buy
PHR3311 50MG ₹51635.25 Buy
329258 5G ₹2100.05 Buy
D1839 5G ₹2000 Buy
D1839 25G ₹6200 Buy
ALF-L08411-18 50g ₹12561 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

2-Chloro-4-amino-6,7-dimethoxyquinazoline

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

Global( 300)Suppliers
Supplier Tel Country ProdList Advantage Inquiry
Keminntek Laboratories +91-040-29704569 +91-9515661451 Hyderabad, India 46 58 Inquiry
ALMELO PRIVATE LIMITED +91-9100991345 +91-8500807769 Telangana, India 114 58 Inquiry
RANI LIFE SCIENCES PVT LTD +91-8008797507 +91-8008797507 Hyderabad, India 37 58 Inquiry
VGS SYNTHESIS PRIVATE LIMITED +91-9866975588 +91-9866975588 Hyderabad, India 1817 58 Inquiry
Medchem Labs +91-7288889564 +91-7288889555 Telangana, India 25 58 Inquiry
Reax Chemicals 08048372701Ext 416 Hyderabad, India 4217 58 Inquiry
Opulent Pharma 08068441147Ext 981 Gujarat, India 810 58 Inquiry
Keminntek Laboratories 08048372631Ext 196 Hyderabad, India 208 58 Inquiry
Cip Global (India) +91 22 2875 5200 Mumbai, India 81 58 Inquiry
Shivam Pharma Chemicals 91-22-26403900 Maharashtra, India 656 58 Inquiry
Supplier Advantage
Keminntek Laboratories 58
ALMELO PRIVATE LIMITED 58
RANI LIFE SCIENCES PVT LTD 58
VGS SYNTHESIS PRIVATE LIMITED 58
Medchem Labs 58
Reax Chemicals 58
Opulent Pharma 58
Keminntek Laboratories 58
Cip Global (India) 58
Shivam Pharma Chemicals 58

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

6,7-Dimethoxyquinazoline-2,4-dione(28888-44-0)MS6,7-Dimethoxyquinazoline-2,4-dione(28888-44-0)1HNMR6,7-Dimethoxyquinazoline-2,4-dione(28888-44-0)IR16,7-Dimethoxyquinazoline-2,4-dione(28888-44-0)IR26,7-Dimethoxyquinazoline-2,4-dione(28888-44-0)Raman

28888-44-0(6,7-Dimethoxyquinazoline-2,4-dione)Related 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
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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