4-(4-Bromophenyl)-3-methyl-1H-pyrazole

Modify Date: 2025-08-26 15:27:03

4-(4-Bromophenyl)-3-methyl-1H-pyrazole Structure
4-(4-Bromophenyl)-3-methyl-1H-pyrazole structure
Common Name 4-(4-Bromophenyl)-3-methyl-1H-pyrazole
CAS Number 857531-32-9 Molecular Weight 237.09600
Density 1.493g/cm3 Boiling Point 370.8ºC at 760 mmHg
Molecular Formula C10H9BrN2 Melting Point N/A
MSDS N/A Flash Point 178.1ºC

 Names

Name 4-(4-bromophenyl)-5-methyl-1H-pyrazole
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.493g/cm3
Boiling Point 370.8ºC at 760 mmHg
Molecular Formula C10H9BrN2
Molecular Weight 237.09600
Flash Point 178.1ºC
Exact Mass 235.99500
PSA 28.68000
LogP 3.14760
Index of Refraction 1.621
InChIKey YHAHQHWOMTWBPW-UHFFFAOYSA-N
SMILES Cc1[nH]ncc1-c1ccc(Br)cc1

 Safety Information

HS Code 2933199090

 Synthetic Route

~39%

4-(4-Bromophenyl)-3-methyl-1H-pyrazole Structure

4-(4-Bromopheny...

CAS#:857531-32-9

Literature: WO2005/61463 A1, ; Page/Page column 134-135 ; WO 2005/061463 A1

 Customs

HS Code 2933199090
Summary 2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

1H-Pyrazole,4-(4-bromophenyl)-3-methyl
4-(4-BROMOPHENYL)-3-METHYL-1H-PYRAZOLE
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