4-Chloro-3-methyl-1H-pyrazole

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Names

[ CAS No. ]:
15878-08-7

[ Name ]:
4-Chloro-3-methyl-1H-pyrazole

[Synonym ]:
4-Chloro-5-methyl-1H-pyrazole

Chemical & Physical Properties

[ Density]:
1.306g/cm3

[ Boiling Point ]:
218.1ºC at 760mmHg

[ Molecular Formula ]:
C4H5ClN2

[ Molecular Weight ]:
116.54900

[ Flash Point ]:
106.4ºC

[ Exact Mass ]:
116.01400

[ PSA ]:
28.68000

[ LogP ]:
1.37150

[ Vapour Pressure ]:
0.189mmHg at 25°C

[ Index of Refraction ]:
1.551

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
UQ6456000
CHEMICAL NAME :
Pyrazole, 4-chloro-3-methyl-
CAS REGISTRY NUMBER :
15878-08-7
BEILSTEIN REFERENCE NO. :
0001849
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C4-H5-Cl-N2
MOLECULAR WEIGHT :
116.56
WISWESSER LINE NOTATION :
T5MNJ C1 EG

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
375 mg/kg
TOXIC EFFECTS :
Behavioral - anticonvulsant Behavioral - somnolence (general depressed activity)
REFERENCE :
AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4- 1898- Volume(issue)/page/year: 121,443,1959

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 3-Methylpyrazole
  • Sulfuryl chloride
  • Diethyl ether
  • Carbon tetrachloride
  • Chlorine

DownStream

  • (4-chloro-3-methylpyrazol-1-yl)methanol
  • 4-Chloro-1H-pyrazole-5-carboxylic acid
  • 4-CHLORO-1,3-DIMETHYL-1H-PYRAZOLE
  • 1,5-dimethyl-4-chloropyrazole

Related Compounds

  • 4-Chloro-3-methyl-1H-pyrazole
  • 4-Chloro-3-methyl-1H-pyrazole-5-carbaldehyde
  • 4-Chloro-3-methyl-1H-pyrazole-1-carbonyl chloride
  • 4-chloro-3-methyl-1H-pyrazole-5-carboxylic acid(SALTDATA: FREE)
  • 4-Chloro-3-methyl-5-(4-methylphenyl)-1H-pyrazole
  • 4-Chloro-3-methyl-1H-pyrazolo[3,4-d]pyrimidin-6-amine
  • tert-Butyl3-(3,5-difluoropyridin-2-yl)azetidine-1-carboxylate
  • Tert-butyl 3-(2-(trifluoromethyl)pyridin-4-yl)azetidine-1-carboxylate
  • N,N,1-Trimethyl-3-sulfamoyl-1H-pyrazole-5-carboxamide
  • N,N-Bis(4-methoxybenzyl)-1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazole-5-sulfonamide
  • 3-(N,N-Bis(4-methoxybenzyl)sulfamoyl)-1-methyl-1H-pyrazole-5-carboxylic acid
  • 2-(3-(N,N-Bis(4-methoxybenzyl)sulfamoyl)-1H-pyrazol-1-yl)-2-methylpropanoic acid
  • 3-(Aminosulfonyl)-N-methyl-1H-pyrazole-1-acetamide
  • 1-(1-Acetyl-3-azetidinyl)-1H-pyrazole-3-sulfonamide
  • 2-Chloro-5-phenoxybenzaldehyde
  • 1-[3-(3-Amino-1H-pyrazol-1-yl)-1-azetidinyl]ethanone