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

2,4-Dichloro-6,7-dimethoxyquinazoline

$7 - $2148.3
Product name: 2,4-Dichloro-6,7-dimethoxyquinazoline
CAS: 27631-29-4
MF: C10H8Cl2N2O2
MW: 259.09
EINECS:608-117-4
MDL Number:MFCD00051733
Synonyms:TIMTEC-BB SBB000972;2,4-DICHLORO-6,7-DIMETHOXYQUINAZOLINE;2,4-Dichloro-6,7-dimethoxyquin;2-Chloro-6,7-diMethoxyquinazolin-4-yl Chloride;2,4-Dichloro-6-Methoxy-7-quinazolinyl Methyl ether;Doxazosin Related Compound E (20 mg) (2,4-dichloro-6,7-dimethoxyquinazoline);Doxazosin EP IMpurity E;Doxazosin Related CoMpound E

Price80 Properties Safety Information Description

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aablocks
Abosyn
ACHEMBLOCK
Acrotein
AHH
AK Scientific
Alichem
Ambeed
American Custom Chemicals Corporation
AstaTech
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2g
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Manufactureraablocks
Product numberAA00I555
Product description2,4-Dichloro-6,7-dimethoxyquinazoline 97%
Packaging250mg
Price$8
Updated2026-05-29
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Manufactureraablocks
Product numberAA00I555
Product description2,4-Dichloro-6,7-dimethoxyquinazoline 98%
Packaging1g
Price$10
Updated2026-05-29
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Manufactureraablocks
Product numberAA00I555
Product description2,4-Dichloro-6,7-dimethoxyquinazoline 97%
Packaging5g
Price$24
Updated2026-05-29
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Manufactureraablocks
Product numberAA00I555
Product description2,4-Dichloro-6,7-dimethoxyquinazoline ~70%(HPLCGC)
Packaging25g
Price$34
Updated2026-05-29
Buy

Manufactureraablocks
Product numberAA00I555
Product description2,4-Dichloro-6,7-dimethoxyquinazoline ~70%(HPLCGC)
Packaging100g
Price$100
Updated2026-05-29
Buy

Manufactureraablocks
Product numberAA00I555
Product description2,4-Dichloro-6,7-dimethoxyquinazoline ~70%(HPLCGC)
Packaging500g
Price$200
Updated2026-05-29
Buy

ManufacturerAbosyn
Product number10-2297
Product description2,4-dichloro-6,7-dimethoxyquinazoline 95%-98%
Packaging5g
Price$240
Updated2021-12-16
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ManufacturerACHEMBLOCK
Product numberP39122
Product description2,4-Dichloro-6,7-dimethoxyquinazoline 95%
Packaging100G
Price$305
Updated2026-05-27
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ManufacturerACHEMBLOCK
Product numberP39122
Product description2,4-Dichloro-6,7-dimethoxyquinazoline 95%
Packaging25G
Price$200
Updated2021-12-16
Buy

ManufacturerAcrotein
Product numberH-6021
Product description2,4-Dichloro-6,7-dimethoxyquinazoline 97%
Packaging25g
Price$167.01
Updated2026-05-25
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ManufacturerAcrotein
Product numberH-6021
Product description2,4-Dichloro-6,7-dimethoxyquinazoline 97%
Packaging5g
Price$53.16
Updated2026-05-25
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ManufacturerAcrotein
Product numberH-6021
Product description2,4-Dichloro-6,7-dimethoxyquinazoline 97%
Packaging100g
Price$496.14
Updated2026-05-25
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ManufacturerAHH
Product numberMT-08493
Product description2,4-Dichloro-6,7-dimethoxyquinazoline 97%
Packaging100g
Price$296
Updated2026-05-26
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ManufacturerAK Scientific
Product numberC139
Product description2,4-Dichloro-6,7-dimethoxyquinazoline 98%(HPLC)
Packaging100g
Price$428
Updated2026-06-04
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ManufacturerAK Scientific
Product numberJ52286
Product description2,4-Dichloro-6,7-dimethoxyquinazoline 95%
Packaging100g
Price$320
Updated2026-06-04
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ManufacturerAK Scientific
Product number0017TG
Product description2,4-Dichloro-6,7-dimethoxyquinazoline, tech. ~70%(HPLC,GC)
Packaging500g
Price$180
Updated2026-06-04
Buy

Manufacturer	Product number	Product description	Packaging	Price	Updated	Buy
aablocks	AA00I555	2,4-Dichloro-6,7-dimethoxyquinazoline 97%	250mg	$8	2026-05-29	Buy
aablocks	AA00I555	2,4-Dichloro-6,7-dimethoxyquinazoline 98%	1g	$10	2026-05-29	Buy
aablocks	AA00I555	2,4-Dichloro-6,7-dimethoxyquinazoline 97%	5g	$24	2026-05-29	Buy
aablocks	AA00I555	2,4-Dichloro-6,7-dimethoxyquinazoline ~70%(HPLCGC)	25g	$34	2026-05-29	Buy
aablocks	AA00I555	2,4-Dichloro-6,7-dimethoxyquinazoline ~70%(HPLCGC)	100g	$100	2026-05-29	Buy
aablocks	AA00I555	2,4-Dichloro-6,7-dimethoxyquinazoline ~70%(HPLCGC)	500g	$200	2026-05-29	Buy
Abosyn	10-2297	2,4-dichloro-6,7-dimethoxyquinazoline 95%-98%	5g	$240	2021-12-16	Buy
ACHEMBLOCK	P39122	2,4-Dichloro-6,7-dimethoxyquinazoline 95%	100G	$305	2026-05-27	Buy
ACHEMBLOCK	P39122	2,4-Dichloro-6,7-dimethoxyquinazoline 95%	25G	$200	2021-12-16	Buy
Acrotein	H-6021	2,4-Dichloro-6,7-dimethoxyquinazoline 97%	25g	$167.01	2026-05-25	Buy
Acrotein	H-6021	2,4-Dichloro-6,7-dimethoxyquinazoline 97%	5g	$53.16	2026-05-25	Buy
Acrotein	H-6021	2,4-Dichloro-6,7-dimethoxyquinazoline 97%	100g	$496.14	2026-05-25	Buy
AHH	MT-08493	2,4-Dichloro-6,7-dimethoxyquinazoline 97%	100g	$296	2026-05-26	Buy
AK Scientific	C139	2,4-Dichloro-6,7-dimethoxyquinazoline 98%(HPLC)	100g	$428	2026-06-04	Buy
AK Scientific	J52286	2,4-Dichloro-6,7-dimethoxyquinazoline 95%	100g	$320	2026-06-04	Buy
AK Scientific	0017TG	2,4-Dichloro-6,7-dimethoxyquinazoline, tech. ~70%(HPLC,GC)	500g	$180	2026-06-04	Buy

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Properties

Melting point :175-178 °C (lit.)
Boiling point :340.5±42.0 °C(Predicted)
Density :1.5369 (rough estimate)
refractive index :1.6100 (estimate)
storage temp. :2-8°C
solubility :Chloroform (Slightly), DMSO (Slightly), Methanol (Slightly)
pka :-0.49±0.30(Predicted)
form :Crystalline Powder
color :Pale yellow to beige
Water Solubility :Insoluble in water.
Sensitive :Moisture Sensitive
BRN :190331
InChI :1S/C10H8Cl2N2O2/c1-15-7-3-5-6(4-8(7)16-2)13-10(12)14-9(5)11/h3-4H,1-2H3
InChIKey :DGHKCBSVAZXEPP-UHFFFAOYSA-N
SMILES :COc1cc2nc(Cl)nc(Cl)c2cc1OC
CAS DataBase Reference :27631-29-4(CAS DataBase Reference)

Safety Information

Symbol(GHS):

Signal word:

Warning

Hazard statements:

Code	Hazard statements	Hazard class	Category	Signal word	P-Codes
H315	Causes skin irritation	Skin corrosion/irritation	Category 2	Warning	P264, P280, P302+P352, P321,P332+P313, P362
H319	Causes serious eye irritation	Serious eye damage/eye irritation	Category 2A	Warning	P264, P280, P305+P351+P338,P337+P313P
H335	May cause respiratory irritation	Specific target organ toxicity, single exposure;Respiratory tract irritation	Category 3	Warning

Precautionary statements:

P261	Avoid breathing dust/fume/gas/mist/vapours/spray.
P264	Wash hands thoroughly after handling.
P264	Wash skin thouroughly after handling.
P271	Use only outdoors or in a well-ventilated area.
P280	Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352	IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338	IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

2,4-Dichloro-6,7-dimethoxyquinazoline is used as an intermediate in the preparation of potential inhibitors of epidermal growth factor receptor kinases. It is also used as an intermediate in the preparation of terazosin.

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Suppliers and manufacturers

career henan chemical co

$1.00
2,4-Dichloro-6,7-dimethoxyquinazoline CAS:27631-29-4

Capot Chemical Co.,Ltd.

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Standardpharm Co. Ltd.

Alchem Pharmtech,Inc.

CONIER CHEM AND PHARMA LIMITED

Guangzhou Yuheng Pharmaceutical Technology Co., Ltd

SIMAGCHEM CORP

Kindchem(Nanjing)Co.,Ltd

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2,4-Dichloro-6,7-dimethoxyquinazoline

Properties

Safety Information

Description

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