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1-Methyl-5-oxo-2-pyrazoline-3-carboxylic acid

更新时间:2025-10-07 09:54:27

1-Methyl-5-oxo-2-pyrazoline-3-carboxylic acid结构式
1-Methyl-5-oxo-2-pyrazoline-3-carboxylic acid结构式
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常用名 1-Methyl-5-oxo-2-pyrazoline-3-carboxylic acid 英文名 1-Methyl-5-oxo-2-pyrazoline-3-carboxylic acid
CAS号 119376-60-2 分子量 142.11300
密度 N/A 沸点 N/A
分子式 C5H6N2O3 熔点 N/A
MSDS N/A 闪点 N/A

 名称

英文名 1-methyl-5-oxo-4H-pyrazole-3-carboxylic acid
英文别名 更多

 物理化学性质

分子式 C5H6N2O3
分子量 142.11300
精确质量 142.03800
PSA 69.97000
InChIKey DROSEJRQKIQKQY-UHFFFAOYSA-N
SMILES CN1N=C(C(=O)O)CC1=O

 安全信息

海关编码 2933199090

 海关

海关编码 2933199090
中文概述 2933199090. 其他结构上有非稠合吡唑环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0%
申报要素 品名, 成分含量, 用途, 乌洛托品请注明外观, 6-己内酰胺请注明外观, 签约日期
Summary 2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 英文别名

1-Methyl-5-oxo-2-pyrazoline-3-carboxylic acid
1-Methyl-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid
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