5-bromothieno[2,3-b]pyridine CAS 21344-24-1
| CAS No. | 21344-24-1 |
| Molecular Formula | C7H12BrNS |
| Molecular Weight | 222.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-bromothieno[2,3-b]pyridine (CAS 21344-24-1), a certified reference material (molecular formula C7H12BrNS, MW 222.15 g/mol) for analytical method development and quality control.
Owing to a nitrile group, sulfur-containing functionality, bromine substitution, 5-bromothieno[2,3-b]pyridine is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 222.15 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 5-bromothieno[2,3-b]pyridine 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 | C7H12BrNS |
| Molecular Weight | 222.15 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1963 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related bromothieno Standards
- 7-bromothieno[3,2-c]pyridine (CAS 1535297-40-5)
- 2-bromothieno[3,2-b]pyridine (CAS 94191-15-8)
- 3-bromothieno[2,3-b]pyridine (CAS 28988-21-8)
- 3-bromothieno[2,3-c]pyridine (CAS 28783-17-7)
- 3-bromothieno[3,2-b]pyridine (CAS 94191-12-5)
- 3-bromothieno[3,2-c]pyridine (CAS 28783-18-8)
- 4-bromothieno[2,3-d]pyrimidine (CAS 14080-60-5)
- 4-bromothieno[3,2-d]pyrimidine (CAS 16285-70-4)
Recommended Standards
- 5,7-Dihydroxy-4-oxo-4H-chromene-2-carboxylic acid (CAS 35811-69-9)
- 6-(Methoxycarbonyl)oxazolo[4,5-b]pyridine-2-carboxylic acid (CAS 2137795-63-0)
- 6,7-Dihydroxy-2-oxo-2H-1-benzopyran-3-carboxylic acid (CAS 84738-35-2)
- 6,8-DIHYDRO-8-OXOISOBENZOFURO[5,4-D][1,3]DIOXOLE-6-CARBOXYLIC ACID (CAS 64395-07-9)
- N-((tetrahydrofuran-2-yl)methyl)cycloheptanamine (CAS 416864-69-2)
- N-(4-(Benzyloxy)phenyl)-2-((4-(4-chlorophenyl)-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 476483-67-7)
- tert-Butyl (6-chloro-4-hydroxypyridin-3-yl)carbamate 1269291-05-5 (CAS 1269291-05-5)
- 3-(Hydroxymethyl)-2-methylbenzoic acid (CAS 277331-16-5)
- 3-(2-Methylpiperidin-1-yl)propyl 3-hydroxybenzoate hydrochloride (CAS 67032-05-7)
- N-(3-amino-4-fluorophenyl)-2-methoxyacetamide (CAS 926197-62-8)
- (8-Bromo-6-chlorochroman-3-yl)methanamine (CAS 885271-41-0)
- (Z)-7-((1R,2S)-2-((R,E)-3-Hydroxy-4-phenoxybut-1-en-1-yl)-5-oxocyclopent-3-en-1-yl)hept-5-enoic acid (CAS 51639-10-2)
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