4-Bromo-3,5-dimethylpyrazole

Modify Date: 2026-07-08 08:29:03

4-Bromo-3,5-dimethylpyrazole structure	Common Name	4-Bromo-3,5-dimethylpyrazole
	CAS Number	3398-16-1	Molecular Weight	175.03
	Density	1.6±0.1 g/cm3	Boiling Point	269.1±35.0 °C at 760 mmHg
	Molecular Formula	C₅H₇BrN₂	Melting Point	123-125 °C(lit.)
	MSDS	USA	Flash Point	116.5±25.9 °C
	Symbol	GHS07	Signal Word	Warning

Use of 4-Bromo-3,5-dimethylpyrazole

4-Bromo-3,5-dimethylpyrazole is a biochemical reagent that can be used as a biological material or organic compound for life science related research.

Name	4-bromo-3,5-dimethyl-1H-pyrazole
Synonym	More Synonyms

Description	4-Bromo-3,5-dimethylpyrazole is a biochemical reagent that can be used as a biological material or organic compound for life science related research.
Related Catalog	Research Areas >> Others

Density	1.6±0.1 g/cm3
Boiling Point	269.1±35.0 °C at 760 mmHg
Melting Point	123-125 °C(lit.)
Molecular Formula	C₅H₇BrN₂
Molecular Weight	175.03
Flash Point	116.5±25.9 °C
Exact Mass	173.979248
PSA	28.68000
LogP	2.36
Vapour Pressure	0.0±0.5 mmHg at 25°C
Index of Refraction	1.572
InChIKey	RISOHYOEPYWKOB-UHFFFAOYSA-N
SMILES	Cc1n[nH]c(C)c1Br

4-Bromo-3,5-dimethylpyrazole MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UQ6210000

CHEMICAL NAME :: Pyrazole, 4-bromo-3,5-dimethyl-

CAS REGISTRY NUMBER :: 3398-16-1

BEILSTEIN REFERENCE NO. :: 0108534

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C5-H7-Br-N2

MOLECULAR WEIGHT :: 175.05

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 580 mg/kg

TOXIC EFFECTS :: Peripheral Nerve and Sensation - spastic paralysis with or without sensory change Behavioral - somnolence (general depressed activity)

REFERENCE :: FATOAO Farmakologiya i Toksikologiya (Moscow). For English translation, see PHTXA6 and RPTOAN. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.2- 1939- Volume(issue)/page/year: 28,670,1965

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H315-H319-H335
Precautionary Statements	P261-P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xi:Irritant;
Risk Phrases	R36/37/38
Safety Phrases	S26-S37/39
RIDADR	NONH for all modes of transport
WGK Germany	3
RTECS	UQ6210000
HS Code	2933199090

Precursor 10
CAS#:67-51-6 3,5-Dimethylpyrazole CAS#:51108-53-3 1-benzyl-4-brom... CAS#:130874-32-7 1-BENZENESULFON... CAS#:84691-20-3 4,4-Dibromo-3,5...
CAS#:30169-25-6 3,6-Bis(3,5-dim... CAS#:67940-38-9 difluoro-(3-bro... CAS#:64-17-5 Ethanol CAS#:32551-34-1 1,2,5-Oxadiazol...
CAS#:270588-85-7 3,6-Bis(4-bromo... CAS#:934-48-5 3,5-dimethylpyr...
DownStream 5
CAS#:28188-06-9 1H-Pyrazole-1-c... CAS#:844891-04-9 1,3,5-TRIMETHYL... CAS#:847818-62-6 (1,3,5-TRIMETHY... CAS#:130874-32-7 1-BENZENESULFON...
CAS#:15801-69-1 4-Bromo-1,3,5-T...

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%

Name: Discovery of Small Molecules to Inhibit Human Cytomegalovirus Nuclear Egress
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
Target: HCMV UL50
External Id: HMS1262

Name: Screen for inhibitors of RMI FANCM (MM2) intereaction
Source: 11908
Target: N/A
External Id: RMI-FANCM-MM2

Name: Chemical Probes of Kaposi's Sarcoma Herpes Virus Latent Infection
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
Target: ORF 73 [Human herpesvirus 8 type M]
External Id: HMS791

Name: A screen for compounds that inhibit the activity of LtaS in Staphylococcus aureus
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
External Id: HMS979

Name: Cell-based high throughput primary assay to identify activators of GPR151
Source: The Scripps Research Institute Molecular Screening Center
Target: RecName: Full=G-protein coupled receptor 151; AltName: Full=G-protein coupled receptor PGR7; AltName: Full=GPCR-2037; AltName: Full=Galanin receptor 4; AltName: Full=Galanin-receptor-like protein; Short=GalRL
External Id: GPR151_PHUNTER_AG_LUMI_1536_1X%ACT

Name: A screen for compounds that inhibit viral RNA polymerase binding and polymerization a...
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
Target: Chain A, Poliovirus Polymerase With Gtp
External Id: HMS750

Name: qHTS assay for inhibitors of human lactate dehydrogenase
Source: NCGC
Target: N/A
External Id: LDHA

Name: NCI human tumor cell line growth inhibition assay. Data for the MCF7 Non-Small Cell L...
Source: DTP/NCI
Target: N/A
External Id: MCF7_OneDose

Name: NCI human tumor cell line growth inhibition assay. Data for the IGROV1 Non-Small Cell...
Source: DTP/NCI
Target: N/A
External Id: IGROV1_OneDose

Name: Primary qHTS Assay for Foot and Mouth Disease Virus Antivirals against NCGC Sytravon ...
Source: NCGC
External Id: stopgo-p2-SytraCBC-dual-FF

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MFCD00005242

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4-BroMo-3,5-diMethylpyrazole

EINECS 222-263-2

GF 12

4-bromo-3,5-dimethyl-1H-prazole

4-Bromo-3,5-dimethyl-1H-pyrazole

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 4-Bromo-3,5-dimethylpyrazole
Price: Check
Purity: 95.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4-Bromo-3,5-dimethylpyrazole
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

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