4-羟基喹啉-2-羧酸，水合物

Name: 4-羟基喹啉-2-羧酸，水合物
Brand: 济南圣和化工有限公司

CAS 492-27-3C10H7NO3MW 189.17

4-羟基喹啉-2-羧酸，水合物（CAS 492-27-3）属有机化学品类产品，分子式 C10H7NO3，分子量 189.17。济南圣和化工有限公司常年现货供应该产品，常规纯度按批次COA提供(不公开发布)，可按客户需求安排分装包装，欢迎邮件或来电询价。

产品概览

CAS号	492-27-3
分子式	C10H7NO3
分子量	189.17
熔点	280 °C
LogP	1.3
纯度	按批次COA提供(不公开发布)
包装	按订单/批次确认(不公开发布)
应用领域	有机化学品
类别	有机化学品

应用领域

有机化学品

4-羟基喹啉-2-羧酸，水合物主要应用于有机化学品。具体使用工况下的添加量与规格要求，欢迎与技术团队沟通确认。

包装与储存

包装规格按订单/批次确认(不公开发布)

纯度规格按批次COA提供(不公开发布)

储存条件密封、阴凉干燥处保存

运输常规化工运输

样品可协商提供

交期现货/按订单安排

供货能力：4-羟基喹啉-2-羧酸，水合物备有现货，包装形式为按订单/批次确认(不公开发布)。我们支持对公转账并开具增值税发票，山东省内可安排快速配送，省外按物流时效发货，具体请联系 info@591daili.com。

质量与文件

每批产品随货提供 COA（分析证书）；可按需提供 MSDS/技术数据表及第三方检测报告。纯度与包装以批次 COA 及订单确认为准。

关于供应商

济南圣和化工有限公司位于山东济南，主营化工原料供应，精选产品 3,000+ 种，覆盖有机化学品、无机化学品、食品添加剂、医药中间体等 12 大分类。我们随货提供 COA 分析证书，一个工作日内回复报价，欢迎国内外采购方长期合作。

常见问题

4-羟基喹啉-2-羧酸，水合物的 CAS 号是多少？

4-羟基喹啉-2-羧酸，水合物的 CAS 号为 492-27-3。

该产品的纯度和包装规格是什么？

常规纯度规格为按批次COA提供(不公开发布)，包装为按订单/批次确认(不公开发布)，随货提供 COA。

4-羟基喹啉-2-羧酸，水合物有什么用途？

主要应用于有机化学品。

如何购买或获取报价？

请发送邮件至 info@591daili.com 或通过 WhatsApp 联系，注明产品名称、CAS 号与需求数量，一个工作日内回复报价。供应商：济南圣和化工有限公司。

PubChem 公开数据

Description

4-Hydroxyquinoline-2-carboxylic acid, hydrate · CAS 492-27-3 · C10H7NO3. UNII H030S2S85J. Melting Point: 280 °C; Collision Cross Section: 136.6 Å² [M+H]+; Collision Cross Section: 151.2 Å² [M+Na]+.

Identification

CAS Registry Number	492-27-3
PubChem CID	3845
Molecular formula	C10H7NO3
IUPAC name	4-oxo-1H-quinoline-2-carboxylic acid
UNII (FDA)	H030S2S85J

Computed Descriptors

Molecular Weight	189.17
XLogP3	1.3
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	1
Exact Mass	189.042593085
Monoisotopic Mass	189.042593085
Topological Polar Surface Area	66.4
Heavy Atom Count	14
Formal Charge	0

Physical & Chemical Properties

Melting Point	280 °C
Collision Cross Section	136.6 Å² [M+H]+
Collision Cross Section	151.2 Å² [M+Na]+
Collision Cross Section	135.3 Å² [M-H]-

Physical description & handling notes

Yellow solid; [Merck Index] Yellow needles; [Alfa Aesar MSDS]
Solid
>28.4 [ug/mL] (The mean of the results at pH 7.4)
151.1 Å² [M+Na]+ [CCS Type: DT; Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]
136.7 Å² [M+H]+ [CCS Type: DT; Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]
133.9 Å² [M-H]- [CCS Type: DT; Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]

GHS Hazard Classification

Reported hazard statements	H315 (100%), H319 (100%), H335 (97.4%)

H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]

H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

Documented Uses

A metabolite of tryptophan found in the urine of some animals; Used in nutritional studies of vitamin B deficiency; [Merck Index] A broad-spectrum excitatory amino acid antagonist used as a research tool. [ChemIDplus]
Naturally produced by the body (endogenous).
Drugs that bind to but do not activate excitatory amino acid receptors, thereby blocking the actions of agonists.
Uremic toxins tend to accumulate in the blood either through dietary excess or through poor filtration by the kidneys. Most uremic toxins are metabolic waste products and are normally excreted in the urine or feces.

Synonyms

kynurenic acid; 492-27-3; 4-Hydroxyquinoline-2-carboxylic acid; Kinurenic acid; Kynuronic acid; Quinurenic acid; 4-Hydroxyquinaldic acid; 2-Quinolinecarboxylic acid, 4-hydroxy-; 4-Hydroxy-2-quinolinecarboxylic acid; 4-Hydroxyquinaldinic acid; 4-oxo-1H-quinoline-2-carboxylic acid; NSC-58973; CHEBI:18344; H030S2S85J; DTXSID8075417; Acid, Kynurenic

Frequently Asked Questions

What are the CAS number and molecular formula of 4-Hydroxyquinoline-2-carboxylic acid, hydrate?

CAS 492-27-3; molecular formula C10H7NO3; molecular weight — g/mol.

What other names is 4-Hydroxyquinoline-2-carboxylic acid, hydrate known by?

kynurenic acid, 492-27-3, 4-Hydroxyquinoline-2-carboxylic acid, Kinurenic acid, Kynuronic acid, Quinurenic acid.

Is 4-Hydroxyquinoline-2-carboxylic acid, hydrate classified as hazardous?

Hazard statements reported: H315, H319, H335.

What are the key physical properties of 4-Hydroxyquinoline-2-carboxylic acid, hydrate?

Melting Point: 280 °C; Collision Cross Section: 136.6 Å² [M+H]+; Collision Cross Section: 151.2 Å² [M+Na]+; Collision Cross Section: 135.3 Å² [M-H]-.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.