2-(2-Bromothiophen-3-yl)acetonitrile CAS 209796-22-5
| CAS No. | 209796-22-5 |
| Molecular Formula | C6H4BrNS |
| Molecular Weight | 202.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
2-(2-Bromothiophen-3-yl)acetonitrile (CAS 209796-22-5) is a high-purity analytical reference standard with the molecular formula C6H4BrNS and a molecular weight of 202.07 g/mol.
Owing to a nitrile group, sulfur-containing functionality, bromine substitution, an aromatic ring system, 2-(2-Bromothiophen-3-yl)acetonitrile is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 202.07 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.
As a certified reference material (CRM), 2-(2-Bromothiophen-3-yl)acetonitrile 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 | C6H4BrNS |
| Molecular Weight | 202.07 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 | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2016 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Bromothiophen Standards
- 2-(3-Bromothiophen-2-yl)acetonitrile (CAS 209796-27-0)
- 2-(5-Bromothiophen-2-yl)acetonitrile (CAS 71637-37-1)
- 2-(3-Bromothiophen-2-yl)acetaldehyde (CAS 1339000-84-8)
- 2-(4-Bromothiophen-2-yl)acetaldehyde (CAS 1343173-36-3)
- 1-(2-Bromothiophen-3-yl)ethanone (CAS 137272-68-5)
- 2-(4-Bromothiophen-2-yl)oxirane (CAS 1485632-69-6)
- 2-(5-Bromothiophen-3-yl)acetaldehyde (CAS 1857155-77-1)
- 2-(5-Bromothiophen-2-yl)acetaldehyde (CAS 722536-02-9)
Recommended Standards
- 1-bromo-N,N-dimethylmethanesulfonamide (CAS 51270-39-4)
- 4-(Bromomethyl)thiophene-2-carbonitrile (CAS 186552-07-8)
- 2-Bromo-N-methylethane-1-sulfonamide (CAS 1785584-02-2)
- 3-(Bromomethyl)thiophene-2-carbonitrile (CAS 99708-88-0)
- 1-((1-Methylcyclobutyl)methyl)-1H-pyrazol-4-amine (CAS 1862905-55-2)
- ethyl 2-(3-{[(tert-butoxy)carbonyl]amino}propanamido)acetate (CAS 1096701-63-1)
- N-(tert-Butyl)-4-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-amine (CAS 1351380-86-3)
- 4,6-Dimethyl-2-(pyrrolidin-1-yl)pyridine-3-carbothioamide (CAS 1193387-78-8)
- 1'-Methyl-6,7-dihydro-2H,5H-spiro[furo[2,3-f]indole-3,4'-piperidine] (CAS 180082-56-8)
- 2-(Bromomethyl)-N,N-dimethylbenzamide (CAS 1463443-08-4)
- 3-(Tetrahydrofuran-2-yl)propyl 2-ethylbutanoate (CAS 5451-22-9)
- 1-(5-Methylthiophen-2-yl)ethane-1-thiol (CAS 1092299-34-7)
- 4-(3,4-Dichlorophenoxy)butanenitrile (CAS 1184500-18-2)
- Palmitoyl Tripeptide-1 TFA salt (CAS 2803375-47-3)
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