2-(4-Chlorothiophen-2-yl)acetaldehyde CAS 1499659-20-9
| CAS No. | 1499659-20-9 |
| Molecular Formula | C6H5ClOS |
| Molecular Weight | 160.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 160.62 g/mol gives 2-(4-Chlorothiophen-2-yl)acetaldehyde distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-(4-Chlorothiophen-2-yl)acetaldehyde (CAS 1499659-20-9), molecular formula C6H5ClOS and molecular weight 160.62 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system, 2-(4-Chlorothiophen-2-yl)acetaldehyde is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 160.62 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 2-(4-Chlorothiophen-2-yl)acetaldehyde under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C6H5ClOS |
| Molecular Weight | 160.62 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Chlorothiophen Standards
- 1-(2-Chlorothiophen-3-yl)ethan-1-one (CAS 81557-66-6)
- 1-(4-Chlorothiophen-3-yl)ethanone (CAS 91387-31-4)
- 2-(5-Chlorothiophen-2-yl)acetaldehyde (CAS 853918-99-7)
- 2-(5-Chlorothiophen-2-yl)oxirane (CAS 73099-67-9)
- (S)-1-(5-chlorothiophen-3-yl)ethan-1-amine (CAS 1213175-82-6)
- (1S)-1-(5-Chlorothiophen-2-yl)ethan-1-amine (CAS 303070-26-0)
- (R)-1-(5-Chlorothiophen-2-yl)ethan-1-amine (CAS 303070-27-1)
- 2-(4-Chlorothiophen-2-yl)ethanamine (CAS 929707-39-1)
Recommended Standards
- Articaine Impurity N21 (CAS 13781-65-2)
- 5-Chloro-2-methylthiophene-3-carbaldehyde (CAS 1507574-75-5)
- 4-Chlorothiophene-2-carboximidamide (CAS 1361003-73-7)
- 3-Chloro-5-cyclopropyl-1,2,4-thiadiazole (CAS 1597081-85-0)
- 3-Chloro-2,2-dimethylpropanal (CAS 13401-57-5)
- 3-(2-Ethoxy-5-methylphenyl)isoxazol-5-amine (CAS 501116-38-7)
- 2-(2,4-Dichlorophenyl)quinazolin-4(1H)-one (CAS 83800-89-9)
- Ethyl 3-bromo-4-cyano-5-methoxybenzoate (CAS 1805414-01-0)
- 2-Chloro-3-(5-fluoro-2-methylbenzenesulfonyl)-4,6-dimethylpyridine (CAS 339276-96-9)
- 3,5-Bis(trifluoromethyl)benzamidoxime (CAS 72111-09-2)
- Ethyl 2-(3,4-dihydro-2h-benzo[b][1,4]oxazin-3-yl)acetate (CAS 35990-53-5)
- rel-(2R,4s,6S)-4-iodo-2,6-dimethyl-tetrahydropyran (CAS 2095792-92-8)
- 5-Chloro-1-methylpyrazole-4-carbonyl chloride (CAS 110763-09-2)
- Fibrinogen-Binding Inhibitor Peptide (CAS 89105-94-2)
Why CATO?
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