3-Methylpyrazole-4-carboxylic acid

Modify Date: 2025-08-23 19:44:30

3-Methylpyrazole-4-carboxylic acid Structure
3-Methylpyrazole-4-carboxylic acid structure
Common Name 3-Methylpyrazole-4-carboxylic acid
CAS Number 40704-11-8 Molecular Weight 126.11300
Density 1.404g/cm3 Boiling Point 384.2ºC at 760 mmHg
Molecular Formula C5H6N2O2 Melting Point 225-230ºC (dec.)(lit.)
MSDS Chinese USA Flash Point 186.1ºC

 Names

Name 3-Methyl-1H-pyrazole-4-carboxylic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.404g/cm3
Boiling Point 384.2ºC at 760 mmHg
Melting Point 225-230ºC (dec.)(lit.)
Molecular Formula C5H6N2O2
Molecular Weight 126.11300
Flash Point 186.1ºC
Exact Mass 126.04300
PSA 65.98000
LogP 0.41630
Index of Refraction 1.595

 Safety Information

Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes Xi: Irritant;
RIDADR NONH for all modes of transport
WGK Germany 3
HS Code 2933199090

 Synthetic Route

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3-Methylpyrazole-4-carboxylic acid Structure

3-Methylpyrazol...

CAS#:40704-11-8

Literature: MERCK and CO., INC. Patent: WO2006/74281 A2, 2006 ; Location in patent: Page/Page column 42 ; WO 2006/074281 A2

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3-Methylpyrazole-4-carboxylic acid Structure

3-Methylpyrazol...

CAS#:40704-11-8

Literature: Bajnati, Abdelilah; Hubert-Habart, Michel Bulletin de la Societe Chimique de France, 1988 , # 3 p. 540 - 547

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3-Methylpyrazole-4-carboxylic acid Structure

3-Methylpyrazol...

CAS#:40704-11-8

Literature: Bajnati, Abdelilah; Hubert-Habart, Michel Bulletin de la Societe Chimique de France, 1988 , # 3 p. 540 - 547

~%

3-Methylpyrazole-4-carboxylic acid Structure

3-Methylpyrazol...

CAS#:40704-11-8

Literature: v. Pechmann; Burkhard Chemische Berichte, 1900 , vol. 33, p. 3598 Full Text Show Details v.Auwers; Koenig Justus Liebigs Annalen der Chemie, 1932 , vol. 496, p. 36,37,276 Full Text Show Details v.Auwers; Cauer Justus Liebigs Annalen der Chemie, 1929 , vol. 470, p. 298

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3-Methylpyrazole-4-carboxylic acid Structure

3-Methylpyrazol...

CAS#:40704-11-8

Literature: v. Pechmann; Burkhard Chemische Berichte, 1900 , vol. 33, p. 3598 Full Text Show Details v.Auwers; Koenig Justus Liebigs Annalen der Chemie, 1932 , vol. 496, p. 36,37,276

 Customs

HS Code 2933199090
Summary 2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Articles2

More Articles
Alteration in the plasma concentration of a DAAO inhibitor, 3-methylpyrazole-5-carboxylic acid, in the ketamine-treated rats and the influence on the pharmacokinetics of plasma D-tryptophan.

Proc. Jpn. Acad.,. Ser. B, Phys. Biol. Sci. 10th ed., 87 , 641-8, (2011)

A determination method for 3-methylpyrazole-5-carboxylic acid (MPC), an inhibitor of D-amino acid oxidase (DAAO), in rat plasma was developed by using high-performance liquid chromatography-mass spect...

A high-performance liquid chromatography assay with a triazole-bonded column for evaluation of d-amino acid oxidase activity.

Biomed. Chromatogr. 30 , 384-9, (2016)

Elution profiles of kynurenic acid (KYNA) and 7-chlorokynurenic acid (Cl-KYNA) were examined by high-performance liquid chromatography (HPLC) using a triazole-bonded stationary phase column (Cosmosil®...

 Synonyms

3-Methyl-1H-Pyrazole-4-Carboxylic Acid
MFCD00608153
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