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90009

Supelco

3,4-Dimethyl-1H-pyrazole

analytical standard

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About This Item

Empirical Formula (Hill Notation):
C5H8N2
CAS Number:
2820-37-3
Molecular Weight:
96.13
Beilstein/REAXYS Number:
1621
MDL number:
MFCD00462154
UNSPSC Code:
12352200
NACRES:
NA.24

grade

analytical standard

Quality Level

100

assay

≥98.0% (HPLC)

shelf life

limited shelf life, expiry date on the label

application(s)

environmental

format

neat

SMILES string

Cc1c[nH]nc1C

InChI

1S/C5H8N2/c1-4-3-6-7-5(4)2/h3H,1-2H3,(H,6,7)

InChI key

VQTVFIMEENGCJA-UHFFFAOYSA-N

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General description

3,4-Dimethyl-1H-pyrazole is a substituted pyrazole compound, which has a five-membered ring containing two heteroatoms as the active constituent.[1][2]

Application

3,4-Dimethyl-1H-pyrazole may be used as an analytical standard for the determination of the analyte in environmental samples and Onobrychis spp. pollens by liquid chromatography-tandem mass spectrometry (LC-MS/MS) and gas chromatography-mass spectrometry (GC-MS) techniques.[3][4]

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Dam. 1

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
BCCD6354
BCCD1611
BCCC2767
BCBW6743
BCBT1923

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Rapid analysis of the nitrification inhibitor 3, 4-dimethylpyrazole phosphate in soil using LC-MS/MS
Doran GS, et al.
International Journal of Environmental Analytical Chemistry, 98(7), 606-621 (2018)
Novel synthesis of the nitrification inhibitor 3, 4-dimethyl-1H-pyrazole phosphate
Chen Z, et al.
J. Chem. Res. (M), 37(11), 652-653 (2013)
Gas chromatography and mass spectrometry analysis, chemical contents and antioxidant properties of Onobrychis spp.(Fabaceae) pollen collected by honeybees
Temizer IK, et al.
Fresenius Environmental Bulletin, 26(1 A), 962-968 (2017)
Product class 1: pyrazoles
Stanovnik B and Svete J
Sci. Synth., 12, 15-225 (2002)

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