3-Formylthiophene-2-boronic acid

3-甲酰基噻吩-2-硼酸

Also known as: (3-Formyl-2-thienyl)boronic acid, (3-Formylthiophen-2-yl)boronic acid, 2-Boronothiophene-3-carboxaldehyde, 3-Formyl-2-thiopheneboronic acid, 3-Formylthiophen-2-ylboronic acid, Boronic acid, B-(3-formyl-2-thienyl)-, Thiophene-2-boronic acid-3-carbaldehyde, MFCD01075679

CAS No.
17303-83-2
Jingsj CID
J-37018-9
Molecular Formula
C5H5BO3S
Chinese Name
3-甲酰基噻吩-2-硼酸
Molecular Weight
155.967 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point330 °C (dec.)(lit.)
Boiling Point381.2±52.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point184.4±30.7 °C

Frequently Asked Questions

What is the CAS number of 3-Formylthiophene-2-boronic acid?

17303-83-2

What are the molecular formula and molecular weight of 3-Formylthiophene-2-boronic acid?

C5H5BO3S, molecular weight 155.967 g/mol

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026