5-Formyl-2-thiopheneboronic acid

Modify Date: 2026-07-03 19:45:47

5-Formyl-2-thiopheneboronic acid Structure
5-Formyl-2-thiopheneboronic acid structure
Common Name 5-Formyl-2-thiopheneboronic acid
CAS Number 4347-33-5 Molecular Weight 155.967
Density 1.4±0.1 g/cm3 Boiling Point 395.1±52.0 °C at 760 mmHg
Molecular Formula C5H5BO3S Melting Point 132-135 °C(lit.)
MSDS Chinese USA Flash Point 192.7±30.7 °C

 Names

Name 5-Formyl-2-thiopheneboronic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.4±0.1 g/cm3
Boiling Point 395.1±52.0 °C at 760 mmHg
Melting Point 132-135 °C(lit.)
Molecular Formula C5H5BO3S
Molecular Weight 155.967
Flash Point 192.7±30.7 °C
Exact Mass 156.005249
PSA 85.77000
LogP 0.39
Vapour Pressure 0.0±1.0 mmHg at 25°C
Index of Refraction 1.573
InChIKey DEQOVKFWRPOPQP-UHFFFAOYSA-N
SMILES O=Cc1ccc(B(O)O)s1
Storage condition Keep Cold

 Safety Information

Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes Xi: Irritant;
Risk Phrases 34
Safety Phrases 26-27-36/37/39-45
RIDADR NONH for all modes of transport
WGK Germany 3
HS Code 2934999090

 Customs

HS Code 2934999090
Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 5-Formyl-2-thiopheneboronic acidBioassay

View more

Name: Inhibition of penicillin-resistant Streptococcus pneumoniae 5204 PBP2X assessed as re...
Source: ChEMBL
Target: Penicillin-binding protein 2x
External Id: CHEMBL1055311
Name: Inhibition of penicillin-sensitive Streptococcus pneumoniae R6 PBP2X assessed as resi...
Source: ChEMBL
Target: Penicillin-binding protein 2X
External Id: CHEMBL1056198
Name: Inhibition of Actinomadura sp. R39 penicillin-binding protein assessed as residual ac...
Source: ChEMBL
Target: D-alanyl-D-alanine carboxypeptidase
External Id: CHEMBL1056190
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 Synonyms

(5-Formyl-2-thienyl)boronic acid
(5-Formylthiophen-2-yl)boronic acid
5-Formyl-2-thienylboronic Acid
MFCD02093666
5-Formylthiophen-2-boronic acid
5-Formyl-2-Thiopheneboronic Acid
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