ChemicalBook >> CAS DataBase List >>4-HYDROXY-7-METHOXYQUINOLINE-3-CARBOXYLIC ACID

4-HYDROXY-7-METHOXYQUINOLINE-3-CARBOXYLIC ACID

CAS No.
28027-17-0
Chemical Name:
4-HYDROXY-7-METHOXYQUINOLINE-3-CARBOXYLIC ACID
Synonyms
NSC 86135;AURORA 17949;ine-3-carboxyL;BUTTPARK 20\09-64;4-Hydroxy-7-methoxyquinoL;7-methoxy-4-oxo-1H-quinoline-3-carboxylicaci;7-Methoxy-4-hydroxyquinoline-3-carboxylic acid;4-Hydroxy-7-methoxy-3-quinolinecarboxylic acid;4-HYDROXY-7-METHOXYQUINOLINE-3-CARBOXYLIC ACID;7-methoxy-4-oxo-1H-quinoline-3-carboxylic acid
CBNumber:
CB2672760
Molecular Formula:
C11H9NO4
Molecular Weight:
219.19
MDL Number:
MFCD00024004
MOL File:
28027-17-0.mol
MSDS File:
SDS
Last updated:2026-05-28 00:38:37
Product description Number Pack Size Price
4-Hydroxy-7-methoxyquinoline-3-carboxylic acid 97% OR8293 250mg $21
4-Hydroxy-7-methoxyquinoline-3-carboxylic acid 97% OR8293 1g $24
4-Hydroxy-7-methoxyquinoline-3-carboxylic acid 97% OR8293 5g $56
4-Hydroxy-7-methoxyquinoline-3-carboxylic acid 97% OR8293 10g $98
4-Hydroxy-7-methoxyquinoline-3-carboxylic acid 97% OR8293 25g $209

4-HYDROXY-7-METHOXYQUINOLINE-3-CARBOXYLIC ACID Properties

Melting point 0°C
Boiling point 0°C
Density 1.444
Flash point 0°C
storage temp. Inert atmosphere,Room Temperature
pka 0.92±0.30(Predicted)
Appearance White to off-white Solid

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H302
Precautionary statements  P280-P305+P351+P338
Hazard Codes  Xi
Risk Statements  20/21/22
Safety Statements  22-24/25
Hazard Note  Irritant
HS Code  2933499090

4-HYDROXY-7-METHOXYQUINOLINE-3-CARBOXYLIC ACID price More Price(54)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Apolloscientific OR8293 4-Hydroxy-7-methoxyquinoline-3-carboxylic acid 97% 28027-17-0 250mg $21 2026-06-04 Buy
Apolloscientific OR8293 4-Hydroxy-7-methoxyquinoline-3-carboxylic acid 97% 28027-17-0 1g $24 2026-06-04 Buy
Apolloscientific OR8293 4-Hydroxy-7-methoxyquinoline-3-carboxylic acid 97% 28027-17-0 5g $56 2026-06-04 Buy
Apolloscientific OR8293 4-Hydroxy-7-methoxyquinoline-3-carboxylic acid 97% 28027-17-0 10g $98 2026-06-04 Buy
Apolloscientific OR8293 4-Hydroxy-7-methoxyquinoline-3-carboxylic acid 97% 28027-17-0 25g $209 2026-06-04 Buy
Product number Packaging Price Buy
OR8293 250mg $21 Buy
OR8293 1g $24 Buy
OR8293 5g $56 Buy
OR8293 10g $98 Buy
OR8293 25g $209 Buy

4-HYDROXY-7-METHOXYQUINOLINE-3-CARBOXYLIC ACID Chemical Properties,Uses,Production

Synthesis

4-HYDROXY-7-METHOXYQUINOLINE-3-CARBOXYLIC ACID ETHYL ESTER

63463-15-0

4-HYDROXY-7-METHOXYQUINOLINE-3-CARBOXYLIC ACID

28027-17-0

General procedure for the synthesis of 4-hydroxy-7-methoxyquinoline-3-carboxylic acid from ethyl 4-hydroxy-7-methoxyquinoline-3-carboxylate: ethyl 4-hydroxy-7-methoxyquinoline-3-carboxylate (4.40 g, 17.80 mmol) was dissolved in 2 M NaOH solution and hydrolyzed by refluxing the reaction for 1 h at 110 °C. The mixture was cooled to room temperature and acidified with 2 M HCl solution. After completion of the reaction, the mixture was cooled to room temperature and acidified to pH 3-4 with 2 M HCl solution.After acidification, the precipitated white precipitate was collected by filtration, washed with water and dried to afford the target product 4-hydroxy-7-methoxyquinoline-3-carboxylic acid (2.50 g, 63% yield) with a melting point of 272 °C (literature value: Lauer et al., 1946, 257-260 °C). NMR hydrogen spectrum (400 MHz, DMSO-d6) δ: 3.90 (3H, s, OCH3), 7.17 (1H, dd, J = 2.4, 9.0 Hz, H-6), 7.29 (1H, d, J = 2.3 Hz, H-8), 8.16 (1H, d, J = 9.0 Hz, H-5), 8.72 (1H, s, H-2). 13.68 (1H, s, Ar-OH), 15.50 (1H, bs, -COOH). NMR carbon spectrum (100 MHz, DMSO-d6) δ: 56.3 (Ar-OCH3), 101.1 (C-3), 107.8 (C-8), 116.6 (C-4a), 118.9 (C-6), 127.3 (C-5), 142.0 (C-2), 145.0 (C-8a), 163.8 (C-4). 166.9 (C-7), 178.1 (COOH).

References

[1] Bioorganic and Medicinal Chemistry, 2013, vol. 21, # 13, p. 3738 - 3748
[2] Journal of the American Chemical Society, 1946, vol. 68, p. 1268
[3] Journal of Medicinal Chemistry, 1998, vol. 41, # 25, p. 4918 - 4926
[4] Chemical and Pharmaceutical Bulletin, 2007, vol. 55, # 5, p. 821 - 824
[5] Patent: US6110929, 2000, A

4-HYDROXY-7-METHOXYQUINOLINE-3-CARBOXYLIC ACID Preparation Products And Raw materials

4-HYDROXY-7-METHOXYQUINOLINE-3-CARBOXYLIC ACID Suppliers

Global( 85)Suppliers
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career henan chemical co
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Dayang Chem (Hangzhou) Co.,Ltd.
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PT CHEM GROUP LIMITED
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View Lastest Price from 4-HYDROXY-7-METHOXYQUINOLINE-3-CARBOXYLIC ACID manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
4-HYDROXY-7-METHOXYQUINOLINE-3-CARBOXYLIC ACID  pictures 2025-11-18 4-HYDROXY-7-METHOXYQUINOLINE-3-CARBOXYLIC ACID
28027-17-0
$1.10 1g 99.00% 100 Tons Dideu Industries Group Limited
4-HYDROXY-7-METHOXYQUINOLINE-3-CARBOXYLIC ACID pictures 2019-07-10 4-HYDROXY-7-METHOXYQUINOLINE-3-CARBOXYLIC ACID
28027-17-0
$1.00 1KG 98% 150KG Career Henan Chemical Co

4-HYDROXY-7-METHOXYQUINOLINE-3-CARBOXYLIC ACID Spectrum

4-HYDROXY-7-METHOXYQUINOLINE-3-CARBOXYLIC ACID AURORA 17949 BUTTPARK 20\09-64 4-keto-7-methoxy-1H-quinoline-3-carboxylic acid 7-methoxy-4-oxo-1H-quinoline-3-carboxylic acid 7-Methoxy-4-oxo-1,4-dihydroquinoline-3-carboxylic acid 4-Hydroxy-7-methoxy-3-quinolinecarboxylic acid 7-Methoxy-4-hydroxyquinoline-3-carboxylic acid NSC 86135 4-Hydroxy-7-Methoxyquinoline-3-caroboxylic acid 4-Hydroxy-7-methoxyquinoL ine-3-carboxyL 3-Quinolinecarboxylic acid, 4-hydroxy-7-methoxy- 7-methoxy-4-oxo-1H-quinoline-3-carboxylicaci 4-HYDROXY-7-METHOXYQUINOLINE-3-CARBOXYLIC ACID ISO 9001:2015 REACH 28027-17-0 quinoline