2-Bromo-4-cyclopropoxy-5-methylthiophene-3-carbonitrile CAS 2836225-43-3
| CAS No. | 2836225-43-3 |
| Molecular Formula | C9H8BrNOS |
| Molecular Weight | 258.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
2-Bromo-4-cyclopropoxy-5-methylthiophene-3-carbonitrile (CAS 2836225-43-3), molecular formula C9H8BrNOS and molecular weight 258.13 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H8BrNOS, 2-Bromo-4-cyclopropoxy-5-methylthiophene-3-carbonitrile contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 258.13 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
Physical & Chemical Properties
| Molecular Formula | C9H8BrNOS |
| Molecular Weight | 258.13 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, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2003 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 2-(Propylsulfonyl)thieno[3,2-d][1,2,3]diazaborinin-1(2H)-ol (CAS 67398-10-1)
- 2-Bromo-6-ethoxybenzo[d]thiazole (CAS 412923-38-7)
- (S)-1-(4-Bromo-3-fluorophenyl)pent-4-en-1-amine (CAS 2166260-33-7)
- 3-(4-Bromophenyl)thiazolidin-4-one (CAS 338753-34-7)
- Coblopasvir (CAS 1312608-46-0)
- 3-Chloro-n-(piperidin-4-yl)pyridin-2-amine (CAS 1094477-31-2)
- N-(5-chloro-3-nitropyridin-2-yl)acetamide (CAS 42191-74-2)
- 3-((2-Cyano-4-nitrophenyl)amino)pyrazine-2,5-dicarbonitrile (CAS 918410-41-0)
- tert-Butyl 4-(4-formyl-2-methoxyphenyl)piperazine-1-carboxylate (CAS 1290181-34-8)
- 1-[4-(trifluoromethoxy)phenyl]piperidin-4-one (CAS 681508-68-9)
- 3-Amino-N-(2-chlorophenyl)-6-ethyl-5-methyl-4-(trifluoromethyl)thieno[2,3-b]pyridine-2-carboxamide (CAS 664999-38-6)
- 2-((Triphenylphosphoranylidene)amino)benzaldehyde (CAS 53170-68-6)
- 6,8-Dichloro-1,2,3,4-tetrahydronaphthalen-1-one (CAS 1260017-53-5)
- Semaglutide impurity 233 (CAS CATO-C4X-2226233)
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