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
  • 2-{1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclohexyl]-N-(prop-2-yn-1-yl)formamido}acetic acid
  • 1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hexanoyl]-2-methylpyrrolidine-3-carboxylic acid
  • 8,8-Dimethyl-5-propyl-1-oxa-4-azaspiro[5.5]undecane
  • 1-[6-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hexanoyl]-2-methylpyrrolidine-3-carboxylic acid
  • 3-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methyl-N-(propan-2-yl)pentanamido]propanoic acid
  • 8,8-Dimethyl-5-(1,2-thiazol-5-yl)-1-oxa-4-azaspiro[5.5]undecane
  • 2-Amino-1-(2-cyclopropoxyethyl)-4-methylcyclohexan-1-ol
  • 1-[3-amino-3-(1-methyl-1H-1,2,4-triazol-3-yl)piperidin-1-yl]-2,2,2-trifluoroethan-1-one
  • 2,7-Dibromo-4-[(4-fluorophenyl)amino]-1,8-dihydroxy-5-nitro-9,10-anthracenedione
  • tert-butyl N-[2-(carbamimidoylmethyl)-4-methoxyphenyl]carbamate
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