Home/Compounds/Pharmaceutical Intermediate/1-(2-Tetrahydropyranyl)-1H-pyrazole-5-boronic acid pinacol ester
C14H23BN2O3
278.16 g/mol
Pharmaceutical IntermediateWarning
1-(Tetrahydro-2H-pyran-2-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole
CAS903550-26-5EC640-188-7
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
This compound is a boronate ester used as an intermediate in the synthesis of boron-containing pharmaceuticals. It features a pyrazole ring and a tetrahydropyranyl protecting group, contributing to its utility in medicinal chemistry.
Pharmaceutical intermediate for boronate synthesis
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
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Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H411Toxic to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for 1-(Tetrahydro-2H-pyran-2-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 903550-26-5) 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
1-(oxan-2-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole
InChIKey
ZZRFDLHBMBHJTI-UHFFFAOYSA-N
SMILES
B1(OC(C(O1)(C)C)(C)C)C2=CC=NN2C3CCCCO3
Synonyms (19)
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