3-Amino-1H-pyrazole-4-carboxylic Acid, is a heterocyclic building block used for the synthesis of more complex pharmaceutical and biologically active compounds, including inhibitors. It can be used for the preparation of some impurities and/or degradation products of Zaleplon, and also for Arylsulfonamidopiperidone derivatives as a novel class of factor Xa inhibitors.

CAS：41680-34-6
中文别名：3-氨基-1-H吡唑-4-甲酸;3-氨基吡唑-4-羧酸;
英文别名：3-Aminopyrazole-4-carboxylic acid;3-Aminopyrazole-4-carboxylic Acid;
分子式：C4H5N3O2
分子量：127.101
精确质量：127.038
Psa：92.0
Logp：0.2713

MDL号：MFCD00005239

外观与性状：近乎于白色至米色结晶粉末
密度：1.677g/cm3
沸点：502.7ºC at 760mmHg
熔点：135°C (dec.)(lit.)
闪点：257.8ºC
储存条件：Refrigerator (+4ºC)

RTECS号：UQ6390000
安全说明：S26-S37/39
危险类别码：R36/37/38
WGK Germany：3
海关编码：2933199090
危险品标志：Xi