5-Hydroxy-1-methyl-1H-pyrazole-3-carboxylic acid

Base Information

• Chemical Name: 5-Hydroxy-1-methyl-1H-pyrazole-3-carboxylic acid
• CAS No.: 58364-97-9
• Molecular Formula: C5H6N2O3
• Molecular Weight: 142.114
• Hs Code.: 2933199090
• European Community (EC) Number: 877-675-0
• DSSTox Substance ID: DTXSID90482477
• Nikkaji Number: J1.051.044I
• Wikidata: Q82318835
• Mol file: 58364-97-9.mol

Synonyms:5-Hydroxy-1-methyl-1H-pyrazole-3-carboxylic acid;58364-97-9;2-methyl-3-oxo-1H-pyrazole-5-carboxylic acid;SCHEMBL1267392;SCHEMBL2152111;DTXSID90482477;GJUJIVCZCCXXOX-UHFFFAOYSA-N;AMY10170;MFCD10699178;AKOS006380486;AKOS023589395;AB62568;PS-3594;CS-0061732;FT-0714112;EN300-150749;5-Hydroxy-1-methyl-1H-pyrazole-3-carboxylicacid;A869463;J-517596;Z2236735605

Chemical Property of 5-Hydroxy-1-methyl-1H-pyrazole-3-carboxylic acid

Chemical Property:

• Vapor Pressure: 1.18E-07mmHg at 25°C
• Melting Point: 286 °C (decomp)
• Boiling Point: 415.7oC at 760 mmHg
• PKA: 9.39±0.28(Predicted)
• Flash Point: 205.2oC
• PSA: 75.35000
• Density: 1.56g/cm3
• LogP: -0.17610
• Storage Temp.: 2-8°C
• XLogP3: -0.3
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 1
• Exact Mass: 142.03784206
• Heavy Atom Count: 10
• Complexity: 221

Purity/Quality:

99%, ^*data from raw suppliers

5-hydroxy-1-methyl-1H-pyrazole-3-carboxylicacid ^*data from reagent suppliers

Safty Information:

• Hazard Codes: Xi

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CN1C(=O)C=C(N1)C(=O)O

Technology Process of 5-Hydroxy-1-methyl-1H-pyrazole-3-carboxylic acid

There total 2 articles about 5-Hydroxy-1-methyl-1H-pyrazole-3-carboxylic acid which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 59.0%

ethyl 5-hydroxy-1-methyl-1H-pyrazole-3-carboxylate (51986-17-5) → 5-hydroxy-1-methyl-1h-pyrazole-3-carboxylic acid (58364-97-9)

Guidance literature:

ethyl 5-hydroxy-1-methyl-1H-pyrazole-3-carboxylate; With sodium hydroxide; In water; at 20 ℃; for 5h; pH=13;

With hydrogenchloride; In water; pH=1;

Reference yield:

→ 5-hydroxy-1-methyl-1h-pyrazole-3-carboxylic acid (58364-97-9)

Guidance literature:

Verb.1 u. KOH in Methanol;

Reference yield: 70.0%

C22H14N7O16S4(1+)*Cl(1-) + 5-hydroxy-1-methyl-1h-pyrazole-3-carboxylic acid (58364-97-9) → C27H19N9O19S4 (1020661-12-4)

Guidance literature:

In water; at 0 - 10 ℃; pH=6 - 8;

upstream raw materials:

ethyl 5-hydroxy-1-methyl-1H-pyrazole-3-carboxylate

Downstream raw materials:

C₂₇H₁₉N₉O₁₉S₄

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