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Methyl 1H-pyrazole-3-carboxylate

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Origin: China

Cas No: 15366-34-4

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 15366-34-4 Formula: C5H6N2O2 Molecular Weight: 126.11300

Description

The methyl ester derivative of 4-Pyrazolecarboxylic Acid used in the preparation of androgen receptor (AR) antagonists as well as pyrazole nucleosides.

Basic Info

Chemical Name	Methyl 1H-pyrazole-3-carboxylate
Synonyms	Methyl 1H-Pyrazole-3-Carboxylate; Methyl Pyrazole-3-carboxylate; methyl 1H-pyrazole-5-carboxylate; Pyrazole-3-carboxylic Acid Methyl Ester;
CAS No.	15366-34-4
Molecular Formula	C5H6N2O2
Molecular Weight	126.11300
PSA	54.98000
LogP	0.19630

Properties

Density	1.275g/cm3
Boiling Point	271.1ºC at 760mmHg
Melting Point	141-142ºC
Flash Point	117.8ºC
Refractive Index	1.53
Vapor Pressure	0.00657mmHg at 25°C

Safety Info

Safety Statements	S22
HS Code	2933199090
Risk Statements	R36/37/38
Hazard Codes	Xi

Synthesis Route

diazomethane+Methyl propiolate→Methyl 1H-Pyrazole-4-Carboxylate+Methyl 1H-pyrazole-3-carboxylate
Methanol+ethyl (E)-4-ethoxy-2-oxobut-3-enoate→Methyl 1H-pyrazole-3-carboxylate+Ethyl 3-Pyrazolecarboxylate
Pyrazole-3-carboxylic Acid→Methyl 1H-pyrazole-3-carboxylate

Precursor

methyl 4,5-dihydro-1H-pyrazole-3-carboxylate
3-acetoxy-3-methoxycarbonyl-1-pyrazoline
ethyl (E)-4-ethoxy-2-oxobut-3-enoate
Pyrazole-3-carboxylic Acid

Downstream Product

methyl 4-iodo-1H-pyrazole-5-carboxylate
methyl 2-ethenylpyrazole-3-carboxylate
methyl 1-methylpyrazole-3-carboxylate
methyl 2-[(E)-ethoxymethylideneamino]pyrazole-3-carboxylate

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