3-(乙氧基羰基)-1-苯基-5-吡唑啉酮

Name: 3-(乙氧基羰基)-1-苯基-5-吡唑啉酮
Brand: 济南圣和化工有限公司

CAS 89-33-8C12H12N2O3MW 232.23

3-(乙氧基羰基)-1-苯基-5-吡唑啉酮，CAS 登记号 89-33-8，由济南圣和化工有限公司现货供应，可提供纯度按批次COA提供(不公开发布) 的规格，下游主要用于有机化学品。支持样品与小批量试用，批量价格请联系我们获取，验收以批次 COA 为准。

规格参数

CAS号89-33-8

分子式C12H12N2O3

分子量232.23

LogP1.6

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

用途与场景

有机化学品

包装与供货

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

供货周期现货/按订单安排

文件与支持

每批随货提供 COA；可按需提供 MSDS 及技术文件。邮件注明产品名称与 CAS 号，一个工作日内回复报价。

常见问题

在哪里能查到 3-(乙氧基羰基)-1-苯基-5-吡唑啉酮的 CAS 号？

本页已列出 3-(乙氧基羰基)-1-苯基-5-吡唑啉酮的 CAS 号：89-33-8，可与随货 COA 核对。

可以提供哪些规格和包装？

常见纯度为按批次COA提供(不公开发布)，包装形式为按订单/批次确认(不公开发布)，特殊规格可在询价时说明。

3-(乙氧基羰基)-1-苯基-5-吡唑啉酮一般用在什么产品里？

主要涉及有机化学品。

下单流程是怎样的？

来信 info@591daili.com 或 WhatsApp 联系，提供产品名称、CAS 号与数量，确认价格与交期后即可安排发货，验收以批次 COA 为准。

PubChem 公开数据

Description

3-(Ethoxycarbonyl)-1-phenyl-5-pyrazolone · CAS 89-33-8 · C12H12N2O3. UNII 87C344GV0D.

Identification

CAS Registry Number	89-33-8
PubChem CID	66636
Molecular formula	C12H12N2O3
IUPAC name	ethyl 5-oxo-1-phenyl-4H-pyrazole-3-carboxylate
UNII (FDA)	87C344GV0D

Computed Descriptors

Molecular Weight	232.23
XLogP3	1.6
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	4
Exact Mass	232.08479225
Monoisotopic Mass	232.08479225
Topological Polar Surface Area	59
Heavy Atom Count	17
Formal Charge	0

Physical description & handling notes

32.1 [ug/mL] (The mean of the results at pH 7.4)
164.9 Å² [M+Na]+ [CCS Type: DT; Buffer gas: N2; Ionization: ESI+; Dataset: TOXCAST; Source Identifier: DTXSID5044738]
155.5 Å² [M-H]- [CCS Type: DT; Buffer gas: N2; Ionization: ESI-; Dataset: TOXCAST; Source Identifier: DTXSID5044738]
154.5 Å² [M+H]+ [CCS Type: DT; Buffer gas: N2; Ionization: ESI+; Dataset: TOXCAST; Source Identifier: DTXSID5044738]
154.1 Å² [M+H]+ [CCS Type: DT; Buffer gas: N2; Ionization: APCI+; Dataset: TOXCAST; Source Identifier: DTXSID5044738]

Regulatory Status

GHS notification summary	4.5% (2 / 44)

GHS Hazard Classification

GHS notification summary	4.5% (2 / 44)
Reported hazard statements	H302 (93.2%)

This chemical does not meet GHS hazard criteria for 4.5% (2 of 44) of reports.

H302 (93.2%): Harmful if swallowed [Warning Acute toxicity, oral]

Documented Uses

1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-phenyl-, ethyl ester: ACTIVE

Synonyms

89-33-8; Ethyl 5-oxo-1-phenyl-4,5-dihydro-1H-pyrazole-3-carboxylate; 1-phenyl-3-carbethoxy-5-pyrazolone; Ethyl 5-oxo-1-phenyl-2-pyrazoline-3-carboxylate; ethyl 5-oxo-1-phenyl-4H-pyrazole-3-carboxylate; 1-Phenyl-3-carbethoxypyrazolone; DTXSID5044738; 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-phenyl-, ethyl ester; UNII-87C344GV0D; EINECS 201-899-4; NSC 49150; DTXCID3024738; EC 201-899-4; 87C344GV0D; NSC-49150; NSC-57876

Frequently Asked Questions

What are the CAS number and molecular formula of 3-(Ethoxycarbonyl)-1-phenyl-5-pyrazolone?

CAS 89-33-8; molecular formula C12H12N2O3; molecular weight — g/mol.

What other names is 3-(Ethoxycarbonyl)-1-phenyl-5-pyrazolone known by?

89-33-8, Ethyl 5-oxo-1-phenyl-4,5-dihydro-1H-pyrazole-3-carboxylate, 1-phenyl-3-carbethoxy-5-pyrazolone, Ethyl 5-oxo-1-phenyl-2-pyrazoline-3-carboxylate, ethyl 5-oxo-1-phenyl-4H-pyrazole-3-carboxylate, 1-Phenyl-3-carbethoxypyrazolone.

Is 3-(Ethoxycarbonyl)-1-phenyl-5-pyrazolone classified as hazardous?

4.5% of GHS notifications report no hazard classification (2 of 44).

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.

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