(3,5-Dibromothiophen-2-yl)boronic acid CAS 1095177-31-3
| CAS No. | 1095177-31-3 |
| Molecular Formula | C4H3BBr2O2S |
| Molecular Weight | 285.75 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 285.75 g/mol gives (3,5-Dibromothiophen-2-yl)boronic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(3,5-Dibromothiophen-2-yl)boronic acid (CAS 1095177-31-3), molecular formula C4H3BBr2O2S and molecular weight 285.75 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C4H3BBr2O2S, (3,5-Dibromothiophen-2-yl)boronic acid contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 285.75 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), (3,5-Dibromothiophen-2-yl)boronic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C4H3BBr2O2S |
| Molecular Weight | 285.75 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.5 |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Dibromothiophen Standards
- 3,4-Dibromothiophen-2-boronic acid (CAS 1256355-38-0)
- 1-(3,4-Dibromothiophen-2-yl)ethan-1-ol (CAS 1394021-42-1)
- 1-(3,4-Dibromothiophen-2-yl)-N-methylmethanamine (CAS 1394022-22-0)
- 1-(3,4-Dibromothiophen-2-yl)ethan-1-amine (CAS 1394023-36-9)
- 1-(4,5-Dibromothiophen-3-yl)ethanone (CAS 1823367-47-0)
- 1-(3,4-Dibromothiophen-2-yl)ethan-1-one (CAS 57681-57-9)
- 1-(3,5-Dibromothiophen-2-yl)ethan-1-one (CAS 80775-52-6)
- 1-(3,5-Dibromothiophen-2-yl)propan-1-one (CAS 2354138-97-7)
Recommended Standards
- N-(2-Aminoethyl)-1-chloroisoquinoline-5-sulfonamide (CAS 105628-12-4)
- (2R,4R)-3-Acetyl-2-(4-chlorophenyl)-1,3-thiazolidine-4-carboxylic acid (CAS 110078-81-4)
- tert-Butyl 5-chloro-8-fluoro-3,4-dihydroisoquinoline-2(1H)-carboxylate (CAS 2757409-74-6)
- N-(2-Aminoethyl)-5-chloroisoquinoline-8-sulfonamide (CAS 120615-25-0)
- 3-Methylthiophene-2-carbohydrazide (CAS 350997-56-7)
- [(2R,3S,5R)-5-(2,4-dioxopyrimidin-1-yl)-2-(hydroxymethyl)tetrahydrofuran-3-yl] dihydrogen phosphate (CAS 31697-38-8)
- Methyl 6-bromo-3-chloro-5-fluoropicolinate (CAS 514798-19-7)
- N,N-Dimethylpyrrolidin-3-amine hydrochloride (CAS 152811-55-7)
- Methyl (1S,2R,3R,8S)-4-(cyclopropylcarbamoyl)cubane-1-carboxylate (CAS 883554-72-1)
- Ethyl 6-bromoimidazo[1,5-a]pyridine-1-carboxylate (CAS 1363380-47-5)
- iPrPDI (CAS 204203-14-5)
- 4,4'-(6-Methylpyrimidine-2,4-diyl)dimorpholine (CAS 52026-44-5)
- 4-(Dimethylamino)-N-hydroxybenzenecarboximidamide (CAS 68451-71-8)
- FMRF-Like Peptide from snail Helix aspersa (CAS 98495-35-3)
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