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ethyl 3-amino-1-methylpyrazole-4-carboxylate

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Origin: China

Cas No: 21230-43-3

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

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

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CAS No.: 21230-43-3 Formula: C7H11N3O2 Molecular Weight: 169.18100

Basic Info

Chemical Name	ethyl 3-amino-1-methylpyrazole-4-carboxylate
Synonyms	3-amino-1-methyl-1H-pyrazole-4-carboxylic acid ethyl ester; ethyl 3-amino-1-methyl-1H-pyrazole-4-carboxylate; 3-Amino-1-methylpyrazole-4-carboxylic acid ethyl ester; 3-amino-1-methyl-1H-pyrazol-4-carboxylic acid ethyl ester; 3-Amino-1-methyl-1H-pyrazol-4-carbonsaeure-aethylester;
CAS No.	21230-43-3
Molecular Formula	C7H11N3O2
Molecular Weight	169.18100
PSA	70.14000
LogP	0.76020

Properties

Density	1.29g/cm3
Boiling Point	300.5ºC at 760mmHg
Flash Point	135.5ºC
Refractive Index	1.571
Vapor Pressure	0.001mmHg at 25°C

Safety Info

HS Code	2933199090

Synthesis Route

(E)-Ethyl 2-cyano-3-ethoxyacrylate+N-[(4-methoxyphenyl)methylideneamino]methanamine→ethyl 3-amino-1-methylpyrazole-4-carboxylate
→ethyl 3-amino-1-methylpyrazole-4-carboxylate
3-(benzylidene-methyl-hydrazino)-2-cyano-acrylic acid ethyl ester→ethyl 3-amino-1-methylpyrazole-4-carboxylate

Precursor

(E)-Ethyl 2-cyano-3-ethoxyacrylate

N-[(4-methoxyphenyl)methylideneamino]methanamine
3-(benzylidene-methyl-hydrazino)-2-cyano-acrylic acid ethyl ester

Downstream Product

5-amino-2-methylpyrazolo[3,4-d]pyrimidin-4-one
3-amino-1-methylpyrazole-4-carbohydrazide
ethyl 3-chloro-1-methylpyrazole-4-carboxylate
ethyl 3-acetamido-1-methylpyrazole-4-carboxylate

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