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

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

Product Name
2-Chloro-4-amino-6,7-dimethoxyquinazoline
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
Formula Weight
239.66
MOL File
23680-84-4.mol
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2-Chloro-4-amino-6,7-dimethoxyquinazoline Property

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)
NIST Chemistry Reference
4-Amino-2-chloro-6,7-dimethoxyquinazoline(23680-84-4)
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Safety

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
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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.

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

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
PHR3308
Product name
Doxazosin Related Compound C
Purity
certified reference material, pharmaceutical secondary standard
Packaging
50MG
Price
$633
Updated
2024/03/01
Sigma-Aldrich
Product number
518654
Product name
4-Amino-2-chloro-6,7-dimethoxyquinazoline
Purity
95%
Packaging
25g
Price
$100
Updated
2024/03/01
Sigma-Aldrich
Product number
1225452
Product name
Doxazosin Related Compound C
Purity
United States Pharmacopeia (USP) Reference Standard
Packaging
20mg
Price
$1490
Updated
2024/03/01
TCI Chemical
Product number
A2151
Product name
4-Amino-2-chloro-6,7-dimethoxyquinazoline
Purity
>98.0%(HPLC)(N)
Packaging
5g
Price
$42
Updated
2024/03/01
TCI Chemical
Product number
A2151
Product name
4-Amino-2-chloro-6,7-dimethoxyquinazoline
Purity
>98.0%(HPLC)(N)
Packaging
25g
Price
$124
Updated
2024/03/01
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2-Chloro-4-amino-6,7-dimethoxyquinazoline Chemical Properties,Usage,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 Preparation Products And Raw materials

Raw materials

Preparation Products

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

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

Shanghai Joiny Pharmaceutical Co.,LTD
Product
2-Chloro-4-amino-6,7-dimethoxyquinazoline 23680-84-4
Price
US $0.00/kg
Min. Order
1kg
Purity
98%
Supply Ability
200kg
Release date
2022-12-13
airuikechemical co., ltd.
Product
2-chloro-4-amino-6,7-dimethoxyquinazoline 23680-84-4
Price
US $0.00-0.00/Kg
Min. Order
1Kg
Purity
99.9%
Supply Ability
200tons
Release date
2024-04-08
Henan Aochuang Chemical Co.,Ltd.
Product
2-Chloro-4-amino-6,7-dimethoxyquinazoline 23680-84-4
Price
US $0.00-0.00/kg
Min. Order
1kg
Purity
98%
Supply Ability
1Ton
Release date
2022-09-22

23680-84-4, 2-Chloro-4-amino-6,7-dimethoxyquinazolineRelated 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

  • QUINAZOLINAMINE
  • TIMTEC-BB SBB000787
  • 4-Quinazolinamine, 2-chloro-6,7-dimethoxy-
  • 4-AMINO-2-CHLORO-6,7-DIMETHOXYQUINAZOLINE
  • 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-4-QUINAZOLINAMINE
  • 2-CHLORO-6,7-DIMETHOXYQUINAZOLIN-4-AMINE
  • 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+%
  • Prazosin EP Impurity A
  • Terazosin-001
  • Terazosin Impurity 1(Terazosin EP Impurity A)
  • 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
  • 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
  • 4-Amino-2-chloro-6,7-dimethoxyquinazoline &gt
  • Doxazosin impurity F 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