5-methyl-1H-pyrazole-3-carbaldehyde

Modify Date: 2025-08-25 18:01:40

5-methyl-1H-pyrazole-3-carbaldehyde Structure
5-methyl-1H-pyrazole-3-carbaldehyde structure
Common Name 5-methyl-1H-pyrazole-3-carbaldehyde
CAS Number 3273-44-7 Molecular Weight 110.11400
Density 1.238g/cm3 Boiling Point 294.2ºC at 760 mmHg
Molecular Formula C5H6N2O Melting Point N/A
MSDS N/A Flash Point 136.1ºC

 Names

Name 5-methyl-1H-pyrazole-3-carbaldehyde
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.238g/cm3
Boiling Point 294.2ºC at 760 mmHg
Molecular Formula C5H6N2O
Molecular Weight 110.11400
Flash Point 136.1ºC
Exact Mass 110.04800
PSA 45.75000
LogP 0.53060
Index of Refraction 1.598
InChIKey CZAZDIRRZHGKBI-UHFFFAOYSA-N
SMILES Cc1cc(C=O)n[nH]1

 Safety Information

Hazard Codes Xi
HS Code 2933199090

 Synthetic Route

~85%

5-methyl-1H-pyrazole-3-carbaldehyde Structure

5-methyl-1H-pyr...

CAS#:3273-44-7

Literature: EP1757590 A1, ; Page/Page column 5 ;

 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

5-Methyl-2H-pyrazole-3-carbaldehyde
3-formyl-5-methylpyrazole
5-methyl-1H-pyrazole-3-carboxaldehyde
3-methyl-1H-pyrazole-5-carbaldehyde
3-methylpyrazole-5-carbaldehyde
5-methyl-3-formylpyrazole
5-methyl-3-pyrazolecarboxaldehyde
5-methylpyrazol-3-ylcarboxaldehyde
5-methylpyrazole-3-carbaldehyde
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