(4-Methyl-3-thienyl)boronic acid

Modify Date: 2024-01-02 11:15:49

(4-Methyl-3-thienyl)boronic acid Structure
(4-Methyl-3-thienyl)boronic acid structure
Common Name (4-Methyl-3-thienyl)boronic acid
CAS Number 177735-11-4 Molecular Weight 141.984
Density 1.3±0.1 g/cm3 Boiling Point 302.1±44.0 °C at 760 mmHg
Molecular Formula C5H7BO2S Melting Point 138-144ºC
MSDS Chinese USA Flash Point 136.5±28.4 °C

 Names

Name 4-Methyl-3-thiopheneboronic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.3±0.1 g/cm3
Boiling Point 302.1±44.0 °C at 760 mmHg
Melting Point 138-144ºC
Molecular Formula C5H7BO2S
Molecular Weight 141.984
Flash Point 136.5±28.4 °C
Exact Mass 142.025986
PSA 68.70000
LogP 1.73
Vapour Pressure 0.0±0.7 mmHg at 25°C
Index of Refraction 1.551
Storage condition 2-8°C

 Safety Information

Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
RIDADR NONH for all modes of transport
WGK Germany 3
HS Code 2934999090

 Synthetic Route

~33%

(4-Methyl-3-thienyl)boronic acid Structure

(4-Methyl-3-thi...

CAS#:177735-11-4

Literature: ELI LILLY AND COMPANY Patent: WO2006/102194 A1, 2006 ; Location in patent: Page/Page column 39 ; WO 2006/102194 A1

 Precursor & DownStream

Precursor  1

DownStream  0

 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%

 Synonyms

(4-Methyl-3-thienyl)boronic acid
MFCD04039882
Boronic acid, B-(4-methyl-3-thienyl)-
(4-methylthiophen-3-yl)boronic acid