C4H5BO2S
127.96 g/mol
Research ReagentWarning
2-Thiopheneboronic acid
CAS6165-68-0EC612-186-6
Category
Research Reagent
Compound Class
Organic Acid
Primary Use
Research Compound
2-Thiopheneboronic acid is a boronic acid derivative containing a thiophene ring. It is widely used as a building block in organic synthesis, particularly in cross-coupling reactions.
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
(6-Phenyldibenzo[b,d]furan-4-yl)boronic acid
CAS1010068-85-5
research compound
ReferenceSame Category
3-Thiopheneboronic acid
CAS6165-69-1
research compound
ReferenceSame Category
Isopropoxyboronic acid pinacol ester
CAS61676-62-8
research compound
ReferenceSame Category
Methyl alpha-D-mannoside
CAS617-04-9
research compound
ReferenceSame Category
Triethylsilane
CAS617-86-7
research compound
Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 2-Thiopheneboronic acid (CAS 6165-68-0) 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
thiophen-2-ylboronic acid
InChIKey
ARYHTUPFQTUBBG-UHFFFAOYSA-N
SMILES
B(C1=CC=CS1)(O)O
Synonyms (20)
- 2-Thienylboronic acid
- 2-Thiopheneboronic acid
- 2-thiopeneboronic acid
- 2-thiophenboronic acid
- 2-thiophene boric acid
- 2-thiophenylboronic acid
- 2-thipheneboronic acid
- Boronic acid, thienyl-
- Thienylboronic acid
- Thiophene-2-boronic acid
- thien-2-ylboronic acid
- thiophen-2-boronic acid
- thiophen-2-yl-2-boronic acid
- thiophen-2-ylboronic acid
- thiopheneboronic
- thiopheneboronic acid
- thiophenyl 2-boronic acid
- thiophenylboronic acid
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