Cas no 50920-65-5 (1-Ethyl-3-methyl-1H-pyrazole-5-carboxylic acid)

1-Ethyl-3-methyl-1H-pyrazole-5-carboxylic acid structure
50920-65-5 structure
Product Name:1-Ethyl-3-methyl-1H-pyrazole-5-carboxylic acid
CAS No:50920-65-5
MF:C7H10N2O2
MW:154.166501522064
MDL:MFCD00156147
CID:89609
PubChem ID:354334738
Update Time:2025-04-18

1-Ethyl-3-methyl-1H-pyrazole-5-carboxylic acid Chemical and Physical Properties

Names and Identifiers

    • 1-Ethyl-3-methyl-1H-pyrazole-5-carboxylic acid
    • Ethylmethylpyrazolecarboxylicacid
    • 1-Ethyl-3-methylpyrazole-5-carboxylic Acid
    • 2-ethyl-5-methylpyrazole-3-carboxylic acid
    • 1-ethyl-3-methyl-1H-pyrazol-5-carboxylic acid
    • 2-Aethyl-5-methyl-2H-pyrazol-3-carbonsaeure
    • 2-ethyl-5-methyl-2H-pyrazole-3-carboxylic acid
    • 1H-Pyrazole-5-carboxylic acid, 1-ethyl-3-methyl-
    • Maybridge1_008579
    • 1-ETHYL-3-METHYL-1H-PYRAZOLE-5-CARBOXYLICACID
    • HMS565N21
    • VFMGOJUUTAPPDA-UHFFFAOYSA-N
    • STR05902
    • STK346771
    • SBB005436
    • BBL010154
    • SPB 0
    • SY027472
    • 50920-65-5
    • FS-1496
    • Z992722198
    • EN300-64227
    • HY-22365
    • SCHEMBL710008
    • AMY12288
    • F8880-0414
    • AKOS000441668
    • E1228
    • SR-01000640535-1
    • MFCD00156147
    • CS-0040900
    • CCG-51224
    • DTXSID90372501
    • BB 0219205
    • 1-Ethyl-3-methyl-1H-pyrazole-5-carboxylic acid, 97%
    • P15301
    • FT-0607747
    • SPB 01840
    • 2-Ethyl-5-methyl-pyrazole-3-carboxylic acid
    • ALBB-029063
    • DB-019165
    • MDL: MFCD00156147
    • Inchi: 1S/C7H10N2O2/c1-3-9-6(7(10)11)4-5(2)8-9/h4H,3H2,1-2H3,(H,10,11)
    • InChI Key: VFMGOJUUTAPPDA-UHFFFAOYSA-N
    • SMILES: OC(C1=CC(C)=NN1CC)=O

Computed Properties

  • Exact Mass: 154.07400
  • Monoisotopic Mass: 154.074227566 g/mol
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 1
  • Hydrogen Bond Acceptor Count: 3
  • Heavy Atom Count: 11
  • Rotatable Bond Count: 2
  • Complexity: 161
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Surface Charge: -1
  • Tautomer Count: Not determined
  • XLogP3: 1.4
  • Molecular Weight: 154.17
  • Topological Polar Surface Area: 55.1

Experimental Properties

  • Color/Form: powder
  • Density: 1.2±0.1 g/cm3
  • Melting Point: 142.0 to 146.0 deg-C
  • Boiling Point: 308.5℃/760mmHg
  • Flash Point: 140.4°C
  • PSA: 55.12000
  • LogP: 0.90960
  • Solubility: Not determined
  • Vapor Pressure: 0.0±0.7 mmHg at 25°C

1-Ethyl-3-methyl-1H-pyrazole-5-carboxylic acid Security Information

  • Symbol: GHS07
  • Prompt:warning
  • Signal Word:Warning
  • Hazard Statement: H315-H319
  • Warning Statement: P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313
  • Hazardous Material transportation number:NONH for all modes of transport
  • WGK Germany:3
  • Hazard Category Code: 22
  • Safety Instruction: S26-S37/39
  • RTECS:UQ6407500
  • Hazardous Material Identification: Xi
  • HazardClass:IRRITANT
  • Risk Phrases:R36/37/38
  • Safety Term:S26;S37/39
  • Storage Condition:storage at -4℃ (1-2weeks), longer storage period at -20℃ (1-2years)

1-Ethyl-3-methyl-1H-pyrazole-5-carboxylic acid Pricemore >>

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