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ChemicalBook >> CAS DataBase List >>2-Chloro-4-amino-6,7-dimethoxyquinazoline

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

2-Chloro-4-amino-6,7-dimethoxyquinazoline Structure
2-Chloro-4-amino-6,7-dimethoxyquinazoline structure
CAS No.
23680-84-4
Chemical Name:
2-Chloro-4-amino-6,7-dimethoxyquinazoline
Synonyms
2-CHLORO-6,7-DIMETHOXYQUINAZOLIN-4-AMINE;4-AMINO-2-CHLORO-6,7-DIMETHOXYQUINAZOLINE;QUINAZOLINAMINE;2-CHLORO-6,7-DIMETHOXY-4-QUINAZOLINAMINE;Terazosin-001;2-Chloro-4-AMino-6;TIMTEC-BB SBB000787;Prazosin EP Impurity A;7-DiMethoxy-Quinazoline;Terazosin EP IMpurity A
CBNumber:
CB8264136
Molecular Formula:
C10H10ClN3O2
Molecular Weight:
239.66
MDL Number:
MFCD00051734
MOL File:
23680-84-4.mol
MSDS File:
SDS
Last updated:2025-01-27 09:38:02
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2-Chloro-4-amino-6,7-dimethoxyquinazoline Properties

Melting point 262-268 °C (dec.)(lit.)
Boiling point 374.0±42.0 °C(Predicted)
Density 1.5062 (rough estimate)
vapor pressure 0Pa at 25℃
refractive index 1.5500 (estimate)
storage temp. 2-8°C
solubility DMSO (Sparingly, Heated), Methanol (Slightly, Heated)
pka 4.35±0.30(Predicted)
color White to Off-White
Water Solubility 1.418g/L at 25℃
BRN 747463
LogP 1.5 at 25℃
CAS DataBase Reference 23680-84-4(CAS DataBase Reference)
FDA UNII FG7Z4T71Y4
NIST Chemistry Reference 4-Amino-2-chloro-6,7-dimethoxyquinazoline(23680-84-4)
UNSPSC Code 41116107
NACRES NA.24

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P305+P351+P338
Hazard Codes  Xi,Xn
Risk Statements  36/37/38-20/21/22
Safety Statements  26-36-37/39
WGK Germany  3
F  10
HazardClass  IRRITANT
HS Code  29339900
NFPA 704
1
2 0

2-Chloro-4-amino-6,7-dimethoxyquinazoline price More Price(41)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich PHR3308 Doxazosin Related Compound C certified reference material, pharmaceutical secondary standard 23680-84-4 50MG $633 2024-03-01 Buy
Sigma-Aldrich 518654 4-Amino-2-chloro-6,7-dimethoxyquinazoline 95% 23680-84-4 25g $100 2024-03-01 Buy
Sigma-Aldrich 1225452 Doxazosin Related Compound C United States Pharmacopeia (USP) Reference Standard 23680-84-4 20mg $1490 2024-03-01 Buy
TCI Chemical A2151 4-Amino-2-chloro-6,7-dimethoxyquinazoline >98.0%(HPLC)(N) 23680-84-4 5g $42 2024-03-01 Buy
TCI Chemical A2151 4-Amino-2-chloro-6,7-dimethoxyquinazoline >98.0%(HPLC)(N) 23680-84-4 25g $124 2024-03-01 Buy
Product number Packaging Price Buy
PHR3308 50MG $633 Buy
518654 25g $100 Buy
1225452 20mg $1490 Buy
A2151 5g $42 Buy
A2151 25g $124 Buy

2-Chloro-4-amino-6,7-dimethoxyquinazoline Chemical Properties,Uses,Production

Chemical Properties

Off-White Solid

Uses

Intermediate in the production on Terazosin.

Synthesis Reference(s)

Journal of Medicinal Chemistry, 20, p. 146, 1977 DOI: 10.1021/jm00211a031

Flammability and Explosibility

Non flammable

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

157459-53-5
23680-84-4
Synthesis of 2-Chloro-4-amino-6,7-dimethoxyquinazoline from 157459-53-5

2-Chloro-4-amino-6,7-dimethoxyquinazoline Preparation Products And Raw materials

Raw materials

Urea, N-cyano-N'-(3,4-dimethoxyphenyl)- 4-Quinazolinamine, 2-chloro-5-iodo-6,7-dimethoxy- 157459-53-5 6,7-Dimethoxyquinazoline-2,4-dione 3,4-DIMETHOXY-6-NITROBENZAMIDE
4,5-Dimethoxy-2-nitrobenzoic acid 4-Aminoveratrole 2-AMINO-4,5-DIMETHOXYBENZAMIDE 2,4-Dichloroquinazoline Methyl 3,4-dimethoxybenzoate
2,4-Dichloro-6,7-dimethoxyquinazoline Methyl 2-amino-4,5-dimethoxybenzoate Methyl 4,5-dimethoxy-2-nitrobenzoate

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Preparation Products

Alfuzosin ({3-[(4-Amino-6,7-dimethoxy-2-quinazolinyl)(methyl)amino]propyl}amino)(2-furyl)methanol Doxazosin hydrochloride

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

Global( 524)Suppliers
Supplier Tel Email Country ProdList Advantage
airuikechemical co., ltd. 		+86-18353166132 +86-18353166132 sales02@airuikechemical.com China 983 58
Capot Chemical Co.,Ltd. 		+86-（0）57185586718 +86-13336195806 sales@capot.com China 29730 60
Shanghai Daken Advanced Materials Co.,Ltd 		+86-371-+86-371-66670886 info@dakenam.com China 19852 58
Beijing Cooperate Pharmaceutical Co.,Ltd 		010-60279497 sales01@cooperate-pharm.com CHINA 1803 55
Hi-Tech Chemistry Corp 		0519-86626038 yuhh@hitechem.com CHINA 810 58
Henan Tianfu Chemical Co.,Ltd. 		+86-0371-55170693 +86-19937530512 info@tianfuchem.com China 21631 55
career henan chemical co 		+86-0371-86658258 +8613203830695 sales@coreychem.com China 29865 58
Shenzhen Nexconn Pharmatechs Ltd 		+86-755-89396905 +86-15013857715 admin@nexconn.com China 10406 58
Hubei Jusheng Technology Co.,Ltd. 		18871490254 linda@hubeijusheng.com CHINA 28172 58
QUALITY CONTROL CHEMICALS INC. 		(323) 306-3136 orders@qcchemical.com United States 26 58
Supplier Advantage
airuikechemical co., ltd. 		58
Capot Chemical Co.,Ltd. 		60
Shanghai Daken Advanced Materials Co.,Ltd 		58
Beijing Cooperate Pharmaceutical Co.,Ltd 		55
Hi-Tech Chemistry Corp 		58
Henan Tianfu Chemical Co.,Ltd. 		55
career henan chemical co 		58
Shenzhen Nexconn Pharmatechs Ltd 		58
Hubei Jusheng Technology Co.,Ltd. 		58
QUALITY CONTROL CHEMICALS INC. 		58

View Lastest Price from 2-Chloro-4-amino-6,7-dimethoxyquinazoline manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
2-Chloro-4-amino-6,7-dimethoxyquinazoline pictures 2025-01-24 2-Chloro-4-amino-6,7-dimethoxyquinazoline
23680-84-4
 US $0.00 / kg 1kg 98% 200kg Shanghai Joiny Pharmaceutical Co.,LTD
2-Chloro-4-amino-6,7-dimethoxyquinazoline pictures 2022-09-23 2-Chloro-4-amino-6,7-dimethoxyquinazoline
23680-84-4
 US $0.00-0.00 / kg 1kg 98% 1Ton Henan Aochuang Chemical Co.,Ltd.
2-Chloro-4-amino-6,7-dimethoxyquinazoline pictures 2022-03-04 2-Chloro-4-amino-6,7-dimethoxyquinazoline
23680-84-4
 US $1.10 / g 1g 99.00% 100 Tons Dideu Industries Group Limited

23680-84-4(2-Chloro-4-amino-6,7-dimethoxyquinazoline)Related Search:

4-Dimethylaminobenzoic acid 6-Aminocaproic acid ALTRENOGEST Glycine Tris(hydroxymethyl)aminomethane
3-Aminophenol Triethanolamine Dimethyldimethoxysilane 4-Dimethylaminopyridine 4-Dimethylaminobenzaldehyde
Triallylamine Dibenzylamine Bis(2-ethylhexyl)amine Terazosin impurity 2-Piperazine-4-amino-6,7-dimethoxyquinazoline
(R)-Terazosin 2,2'-(1,4-Piperazinediyl)bis[6,7-diMethoxy-4-quinazolinaMine] 1-[4-(4-AMino-6,7-diMethoxy-2-quinazolinyl)-1-piperazinyl]-5-hydroxy-1-pentanone

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TIMTEC-BB SBB000787 4-Quinazolinamine, 2-chloro-6,7-dimethoxy- 4-AMINO-2-CHLORO-6,7-DIMETHOXYQUINOZOLINE 4-AMINO-2-CHLORO-6,7-DIMETHOXY-QUINZOLINE 2-CHLORO-4-AMINO-6,7-DIMETHOXYQUINAZOLINE 2-CHLORO-6,7-DIMETHOXY-4-AMINOQUINAZOLINE 2-CHLORO-6,7-DIMETHOXY-QUINAZOLIN-4-YLAMINE 2-CHLORO-6,7-DIMETHOXYQUINAZOLINE-4-AMINE 2-Chloro-4-amino-6,7-dimethoxy 4-Amino-2-chloro-6,7-dimethoxy 2-chloro-4-amino-6,7-dimethoxyquinazoline (intermediate of terazosin) 2-CHLORO-4-AMINO-6,7-DIMETHOXYLQUINAZOLINE 4-Amino-2-chloro-6,7-dimethoxy quinezoline 4-AMINO-2-CHLOR-6,7-DIMETHOXY-CHINAZOLIN 4-Amino-2-Chloro-6,7-Dimethoxyquinoline 2-Chloro-4-Amino-6,7-Dimethoxyquinazoline99% 4-Amino-2-chloro-6,7-dimethoxyquinazoline, 98+% 4-AMINO-2-CHLORO-6,7-DIMETHOXYQUINAZOLINE/ MOLSIDOMINE 2-Chloro-4-amino-6,7-dimethoxyquinazoline, 4-Amino-2-chloro-6,7-dimethoxyquinazoline, 2-Chloro-6,7-dimethoxyquinazolin-4-amine 4-AMINO-2-CHLORO-6,7-DIMETHOXYQUINAZOLINE 99.5% 2-Chloro-4-amino-6,7-dimetoxysynazaline 2-CHLORO-4-AMINO-6,7-DIMETHOXYQUINAZOLINETERAZOSIN 2-chloro-4-amino-6,7-dimetoxy quinazoline 4-Amino-2-chloro-6,7-dimethoxyquinazoline,97% 6,7-Dimethyoxy-2-chloro-4-quinazolinamine 2-Chloro-4-AMino-6 7-DiMethoxy-Quinazoline Doxazosin Related Compound C (20 mg) (2-chloro-4-amino-6,7-dimethoxyquinazoline) 4-AMino-2-chloro-6,7-diMethoxyquinazolin Terazosin EP IMpurity A Doxazosin Related CoMpound C Doxazosin EP Impurity F Alfuzosin EP Impurity B 4-Amino-2-chloro-6,7-dimethoxyquinazoline > Doxazosin impurity F CRS Prazosin EP Impurity A Terazosin-001 Terazosin Impurity 1(Terazosin EP Impurity A) Alfuzosin Impurity 2（Alfuzosin EP Impurity B） AMINO-2-CHLORO-6,7-DIMETHOXYQUINAZOLINE 2-Chlor-6,7-dimethoxychinazolin-4-amin Doxazosin Impurity 6（Doxazosin EP Impurity F） 2-Chloro-4-amino-6,7-dimethoxyquinazoline Factory in stock Terazosin Hydrochloride Impurity Ⅱ：2-Chloro-4-amino-6,7-dimethoxyquinazoline 2-chloro-6,7-dimethyl-4-quinazolinamine Prazosin Impurity 1(Prazosin EP Impurity A) Terazosin EP Impurity A (Alfuzosin EP Impurity B, Prazosin EP Impurity A) Prazosin EP Impurity A (Terazosin EP Impurity A) Terazosin impurity A CRS 2-Chloro-6,7-dimethoxyquinazolin-4- 4-Amino-2-Chloro-6,7-Dimetoxy Quinazoline Terazosin EP Impurity A （Doxazosin EP Impurity F） DOXAZOSIN IMPURITY F USP/EP/BP 2-Chloro-4-amino-6,7-dimethoxyquinazoline ISO 9001：2015 REACH Alfuzosin EP Impurity B (Prazosin EP Impurity A/ Terazosin EP Impurity A/ Doxazosin EP Impurity F/ Doxazosin Related Compund C) Doxazosin EP Impurity F/ Doxazosin Related Compund C (Terazosin EP Impurity A/ Prazosin EP Impurity A/ Alfuzosin EP Impurity B) Prazosin EP Impurity A (Alfuzosin EP Impurity B/ Terazosin EP Impurity A/ Doxazosin EP Impurity F/ Doxazosin Related Compund C) Terazosin EP Impurity A (Prazosin EP Impurity A/ Alfuzosin EP Impurity B/ Doxazosin EP Impurity F/ Doxazosin Related Compund C)