Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 4-Chloro-3-methyl-1H-pyrazole
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Purity: 98.0%
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4-CHLORO-3-METHYL-1H-PYRAZOLE
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

15878-08-7

15878-08-7 structure

15878-08-7 structure

Name: 4-Chloro-3-methyl-1H-pyrazole
Chemical Name: 4-Chloro-3-methyl-1H-pyrazole
CAS Number: 15878-08-7
Molecular Formula: C₄H₅ClN₂
Molecular Weight: 116.54900
Create Date: 2018-03-25 08:00:00
Modify Date: 2025-09-22 18:05:35

Name	4-Chloro-3-methyl-1H-pyrazole
Synonyms	4-Chloro-5-methyl-1H-pyrazole

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

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

1453-58-3 structure

1453-58-3

~88%

15878-08-7 structure

15878-08-7

Literature: Franssen, M. C. R.; van Boven, H. G.; van der Plas, H. C. Journal of Heterocyclic Chemistry, 1987 , vol. 24, p. 1313 - 1316

7791-25-5 structure

7791-25-5

1453-58-3 structure

1453-58-3

60-29-7 structure

60-29-7

~%

15878-08-7 structure

15878-08-7

Literature: v. Auwers; Baehr Journal fuer Praktische Chemie (Leipzig), 1927 , vol. <2> 116, p. 93

56-23-5 structure

56-23-5

1453-58-3 structure

1453-58-3

7782-50-5 structure

7782-50-5

~%

15878-08-7 structure

15878-08-7

Literature: Huettel et al. Justus Liebigs Annalen der Chemie, 1955 , vol. 598, p. 186,190, 194

Precursor 5
1453-58-3 7791-25-5 60-29-7 56-23-5
7782-50-5
DownStream 4
202842-95-3 84547-87-5 15878-44-1 84703-26-4

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