(E)-3-chlorobenzo[b]thiophene-2-carbaldehyde oxime CAS 14006-55-4
| CAS No. | 14006-55-4 |
| Molecular Formula | C9H6ClNOS |
| Molecular Weight | 211.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 211.67 g/mol gives (E)-3-chlorobenzo[b]thiophene-2-carbaldehyde oxime distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(E)-3-chlorobenzo[b]thiophene-2-carbaldehyde oxime (CAS 14006-55-4) is a high-purity analytical reference standard with the molecular formula C9H6ClNOS and a molecular weight of 211.67 g/mol.
Based on its molecular formula C9H6ClNOS, (E)-3-chlorobenzo[b]thiophene-2-carbaldehyde oxime contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 211.67 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), (E)-3-chlorobenzo[b]thiophene-2-carbaldehyde oxime 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 | C9H6ClNOS |
| Molecular Weight | 211.67 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related E Standards
- 1-(2-Chlorobenzo[d]thiazol-5-yl)ethanone (CAS 61700-71-8)
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- 3-Chlorobenzo[b]thiophene-2-carboxamide (CAS 21211-09-6)
- 3-(7-Chlorobenzo[d][1,3]dioxol-5-yl)prop-2-en-1-amine (CAS 1344739-42-9)
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- Methyl 2-chlorobenzo[d]oxazole-4-carboxylate (CAS 1007112-35-7)
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Recommended Standards
- 4-Chloro-7-methoxy-6-(methylthio)pyrido[3,2-d]pyrimidine (CAS 1263363-54-7)
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- 6-(5-Chlorothiophen-2-yl)pyridazin-3-amine (CAS 1225953-04-7)
- 4-(2-Chlorophenyl)-1,2,3-thiadiazol-5-amine (CAS 1538121-87-7)
- 1-(5-Acetyl-2-ethyl-1-benzofuran-3-yl)ethan-1-one (CAS 1423025-29-9)
- 5-chloropyrimidine-2-carboxylic acid (CAS 38275-61-5)
- 1-{4-[(2,4-dichlorobenzyl)oxy]-3-ethoxyphenyl}methanamine (CAS 932890-93-2)
- ((1,4-Phenylenebis(oxy))bis(4,1-phenylene))bis((4-fluorophenyl)methanone) (CAS 93597-87-6)
- Ethyl 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)isoxazole-3-carboxylate (CAS 2246875-70-5)
- 5,6-Diamino-8-(diethylamino)-2-ethyl-1,2-dihydrofuro[2,3-c][2,7]naphthyridine-9-carbonitrile (CAS 749901-87-9)
- 3,4-Dimethyl-2-propyl-2H-pyrazolo[3,4-b]pyridin-6(7H)-one (CAS 1018126-25-4)
- 2,3,3,3-Tetrafluoropropanal (CAS 24528-41-4)
- Methyl 4-chloro-2-formylbenzoate (CAS 1001336-16-8)
- Semaglutide Impurity 5 (CAS 23406-82-8)
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