C9H15BN2O2
194.04 g/mol
Pharmaceutical IntermediateWarning
4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole
CAS269410-08-4EC629-131-7
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
This compound is a boronic ester derivative featuring a pyrazole ring, used as a research reagent and pharmaceutical intermediate. Its primary significance lies in its role as a building block for borylation reactions in organic synthesis.
Pharmaceutical intermediate for borylation reactionsBuilding block in medicinal chemistry research
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
ApplicationSame Use
2,2,6,6-Tetramethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3,6-dihydro-2H-pyran
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pharmaceutical intermediate
ReferenceSame Category
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ReferenceSame Category
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ReferenceSame Category
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Referencesame scaffold
1-Boc-pyrazole-4-boronic acid pinacol ester
CAS552846-17-0
pharmaceutical intermediate
Referencesame scaffold
1-Propyl-1H-pyrazole-4-boronic acid pinacol ester
CAS827614-69-7
research compound
Referencesame scaffold
1,3,5-Trimethyl-1H-pyrazole-4-boronic acid pinacol ester
CAS844891-04-9
research compound
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 269410-08-4) is 2934.99.
HS code (international, 6-digit)
2934.99
EU CN code (8-digit)
2934 99 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole
InChIKey
TVOJIBGZFYMWDT-UHFFFAOYSA-N
SMILES
B1(OC(C(O1)(C)C)(C)C)C2=CNN=C2
Synonyms (16)
- Baricitinib Impurity 32
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