3-Aminopyrazole-4-carboxylic acid

CAS No.：41680-34-6

Important Notice

This product is a chemical product/pharmaceutical intermediate. It is not a drug, an active pharmaceutical ingredient (API), or a pharmaceutical-grade material. It has not been granted a drug approval number or a Chemical Drug Substance Approval Notice, has not passed drug-related review and approval, and is not manufactured, tested, or released in accordance with pharmaceutical GMP.
This product is intended solely for non-clinical research, process development, quality studies, further chemical processing, or chemical synthesis. It must not be used in drug-product manufacturing, clinical trials, clinical diagnosis, or administration to humans or animals, or be sold, used as an input, submitted for regulatory filing, or released as an API or pharmaceutical material.
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3-Aminopyrazole-4-carboxylic acid Basic information

Product Name:	3-Aminopyrazole-4-carboxylic acid
Synonyms:	RARECHEM AL BO 0208;3-amino-1h-pyrazole-4-carboxylicaci;3-amino-4-carboxypyrazole;3-amino-4-pyrazolecarboxylicaci;3-AMINO-1H-PYRAZOLE-4-CARBOXYLIC ACID;3-AMINO-4-PYRAZOLECARBOXYLIC ACID;3-AMINOPYRAZOLE-4-CARBOXYLIC ACID;5-AMINO-4-PYRAZOLECARBOXYLIC ACID
CAS:	41680-34-6
MF:	C4H5N3O2
MW:	127.1
EINECS:	255-493-7
Product Categories:	Building Blocks;C3 to C5;Heterocyclic Building Blocks;Pyrazoles;Chemical Synthesis;Heterocyclic Building Blocks;Pyrazole series;Heterocyclic Compounds;Building Blocks
Mol File:	41680-34-6.mol

3-Aminopyrazole-4-carboxylic acid Chemical Properties

Melting point	135 °C (dec.) (lit.)
Boiling point	235.85°C (rough estimate)
density	1.4748 (rough estimate)
refractive index	1.5000 (estimate)
storage temp.	2-8°C
pka	15.28±0.50(Predicted)
CAS DataBase Reference	41680-34-6(CAS DataBase Reference)

Safety Information

Hazard Codes	Xi
Risk Statements	36/37/38
Safety Statements	26-37/39
WGK Germany	3
RTECS	UQ6390000
HS Code	29339900

MSDS Information

Provider	Language
ACROS	English
SigmaAldrich	English
ALFA	English

3-Aminopyrazole-4-carboxylic acid Usage And Synthesis

Chemical Properties	Almost white to beige crystalline powder
Uses	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 (Z145000), and also for Arylsulfonamidopiperidone derivatives as a novel class of factor Xa inhibitors.

3-Aminopyrazole-4-carboxylic acid Preparation Products And Raw materials

Raw materials

Sodium hydroxide-->Acetic acid-->Triethyl orthoformate-->Ethyl cyanoacetate-->HYDRAZINE

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