90009
3,4-Dimethyl-1H-pyrazole
analytical standard
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About This Item
Empirical Formula (Hill Notation):
C5H8N2
CAS Number:
Molecular Weight:
96.13
NACRES:
NA.24
UNSPSC Code:
12352200
Beilstein/REAXYS Number:
1621
MDL number:
SMILES string
Cc1c[nH]nc1C
InChI key
VQTVFIMEENGCJA-UHFFFAOYSA-N
InChI
1S/C5H8N2/c1-4-3-6-7-5(4)2/h3H,1-2H3,(H,6,7)
grade
analytical standard
assay
≥98.0% (HPLC)
shelf life
limited shelf life, expiry date on the label
application(s)
environmental
format
neat
Quality Level
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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.
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.
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Dam. 1
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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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)
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)
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