2-(5-Methoxy-2-thienyl)-4,4,5,5-tetramethyl-1,3,2-Dioxaborolane CAS 596819-12-4
| CAS No. | 596819-12-4 |
| Molecular Formula | C11H17BO3S |
| Molecular Weight | 240.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 240.13 g/mol gives 2-(5-Methoxy-2-thienyl)-4,4,5,5-tetramethyl-1,3,2-Dioxaborolane distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-(5-Methoxy-2-thienyl)-4,4,5,5-tetramethyl-1,3,2-Dioxaborolane (CAS 596819-12-4) is a high-purity analytical reference standard with the molecular formula C11H17BO3S and a molecular weight of 240.13 g/mol.
The molecular framework of 2-(5-Methoxy-2-thienyl)-4,4,5,5-tetramethyl-1,3,2-Dioxaborolane (C11H17BO3S) is characterized by a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 2-(5-Methoxy-2-thienyl)-4,4,5,5-tetramethyl-1,3,2-Dioxaborolane under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H17BO3S |
| Molecular Weight | 240.13 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1984 |
| Sulfur Atoms | 1 |
Related Methoxy Standards
- 2-(4-methoxy-2-thienyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1073339-22-6)
- 2'-Methoxy-2,2,2,3',6'-pentafluoroacetophenone (CAS 1208077-45-5)
- 2-(3-Methoxy-phenyl)-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane 2-(3-methoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 3 - Methoxyphenylboronic acid pinacol ester 325142-84-5 methyl 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl ether (CAS 325142-84-5)
- 1-Methoxy-4-((trifluoromethyl)sulfonyl)benzene (CAS 15183-74-1)
- methyl 3-methoxy-5-(trifluoromethyl)thiophene-2-carboxylate (CAS 181063-89-8)
- 4-Methoxy-3-(2-methoxy-2-oxoethoxy)benzoic acid (CAS 1017053-35-8)
- Methyl 2-methoxy-4-(methylamino)-5-nitrobenzoate (CAS 1325723-94-1)
- Methyl 3-methoxy-4-(methylamino)-5-nitrobenzoate (CAS 1549812-20-5)
Recommended Standards
- 2-(2-Methoxythiophen-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2073096-04-3)
- 2,2-Difluoro-2-[4-(trifluoromethyl)phenyl]acetic Acid (CAS 73790-11-1)
- 2-(2,3-Difluoro-4-(trifluoromethyl)phenyl)acetic acid (CAS 247113-95-7)
- 2,3,4,5,6-Pentafluorobenzyl acetate (CAS 2002-93-9)
- n1,n1,2,2-Tetramethyl-n3-(thieno[2,3-d]pyrimidin-4-yl)propane-1,3-diamine (CAS 848297-13-2)
- 6-(Hydroxyamino)-2-oxo-2,3,4,5-tetrahydropyrimidine-4-sulfonic acid (CAS 65386-86-9)
- 4-Bromo-N-(3-fluorobenzyl)-3-methylaniline (CAS 1019563-46-2)
- 131123-44-9 (2S)-2-Amino-3-[4-(trifluoromethoxy)phenyl]propanoic acid MFCD07371979 (CAS 131123-44-9)
- 4-(2-Ethylphenoxy)-3-(trifluoromethyl)aniline (CAS 946740-66-5)
- 2-(6-Bromo-5-hydroxypyridin-3-yl)acetic acid (CAS 1805025-14-2)
- 2-(2-Hydroxyethyl)-6-methyl-2H-benzo[b][1,4]oxazin-3(4H)-one (CAS 191096-42-1)
- Ethyl 2-(2-chloroacetamido)-4,5-dimethylthiophene-3-carboxylate (CAS 60442-34-4)
- Tepotinib impurity 17 (CAS CATO-C4X-337417)
- Tirzepatide Impurity 23 X TFA Salt (CAS CATO-C4X-324023)
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