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3,4-Dimethyl-1H-pyrazole, 97%
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3,4-Dimethyl-1H-pyrazole, 97%
3,4-Dimethyl-1H-pyrazole, 97%
3,4-Dimethyl-1H-pyrazole, 97%
Thermo Scientific Chemicals

3,4-Dimethyl-1H-pyrazole, 97%

CAS: 2820-37-3 | C5H8N2 | 96.133 g/mol
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Catalog number H37099.06
also known as H37099-06
Price (USD)
126.65
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Ends: 30-Jun-2026
149.00
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Quantity:
5 g
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Price (USD)
126.65
Special offer
Online exclusive
Ends: 30-Jun-2026
149.00
Save 22.35 (15%)
Each
Add to cart
Chemical Identifiers
CAS2820-37-3
IUPAC Name4,5-dimethyl-1H-pyrazole
Molecular FormulaC5H8N2
InChI KeyVQTVFIMEENGCJA-UHFFFAOYSA-N
SMILESCC1=C(C)C=NN1
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SpecificationsSpecification SheetSpecification Sheet
Assay (GC)≥96.0%
Identification (FTIR)Conforms
Melting Point (clear melt)51.0-61.0?C
Appearance (Color)White to cream
FormCrystals or powder or crystalline powder
3,4-Dimethyl-1H-pyrazole is used as pharmaceutical intermediate.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
3,4-Dimethyl-1H-pyrazole is used as pharmaceutical intermediate.

Solubility
Slightly soluble in water.

Notes
Stable under recommended storage conditions. Incompatible with oxidizing agents.
RUO – Research Use Only

General References:

  1. Zhiwei Chen; Bin Peng; Jianhao Bi; Weike Su. Novel synthesis of the nitrification inhibitor 3,4-dimethyl-1H-pyrazole phosphate. Journal of Chemical Research. 2013, 37, (11), 652-653.
  2. Jeong Oh Woo; Sung Kwon Kang; Jong-Eun Park; Kyung-sun Son. Synthesis, characterization, and ethylene polymerization behavior of Cr(III) catalysts based on bis(pyrazolylmethyl)pyridine and its derivatives. Journal of Molecular Catalysis A: Chemical. 2015, 404-405,204-210.