5-Chlorothiophene-2,4-dicarbaldehyde CAS 65762-93-8
| CAS No. | 65762-93-8 |
| Molecular Formula | C6H3ClO2S |
| Molecular Weight | 174.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system, 5-Chlorothiophene-2,4-dicarbaldehyde is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 174.60 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies 5-Chlorothiophene-2,4-dicarbaldehyde (CAS 65762-93-8), a certified reference material (molecular formula C6H3ClO2S, MW 174.60 g/mol) for analytical method development and quality control.
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.
CATO manufactures 5-Chlorothiophene-2,4-dicarbaldehyde 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 | C6H3ClO2S |
| Molecular Weight | 174.60 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1975 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Chlorothiophene Standards
- 4-Chlorothiophene-2-carbohydrazide (CAS 1263212-33-4)
- 3-Chlorothiophene-2-carbohydrazide (CAS 478483-31-7)
- 5-Chlorothiophene-2-carbohydrazide (CAS 351983-31-8)
- Methyl 2-chlorothiophene-3-carboxylate (CAS 76360-42-4)
- Methyl 3-chlorothiophene-2-carboxylate (CAS 88105-17-3)
- Methyl 4-chlorothiophene-3-carboxylate (CAS 88770-14-3)
- 5-Chlorothiophene-2-carbothioamide (CAS 85347-12-2)
- methyl 4-chlorothiophene-2-carboxylate (CAS 88105-19-5)
Recommended Standards
- 4-Chloro-2-ethoxy-1-fluorobenzene (CAS 289039-34-5)
- Crizotinib Impurity 70 (CAS CATO-C4X-102570)
- 4-Chloro-1-ethoxy-2-fluorobenzene (CAS 289039-40-3)
- 2-Chlorobicyclo[2.2.1]heptane-2-carboxylic acid (CAS 101774-57-6)
- 1-(2-Methoxybenzyl)-3-(3-methylbenzyl)-1H-imidazole-2,4,5(3H)-trione (CAS 341967-15-5)
- 2-bromo-N-methyl-6-nitro-aniline (CAS 1004618-77-2)
- 3-(2-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]sulfanyl}phenyl)-1-cyclohexylurea (CAS 338407-29-7)
- 2-Amino-4-chloronicotinonitrile (CAS 1585977-05-4)
- 6-Methoxy-1-methyl-1,2,2a,3,4,5-hexahydropyrrolo[4,3,2-de]quinoline (CAS 2824293-64-1)
- (E)-3-(5-chloro-2-(trifluoromethoxy)phenyl)acrylic acid (CAS 1092461-22-7)
- 2,8-Bis(methylthio)dibenzo[b,d]furan (CAS 87964-68-9)
- N,N-Dimethyl-cyclohexane-1,3-diamine dihydrochloride (CAS 1187931-27-6)
- 6-Fluoro-7-methyl-2,3-dihydro-1H-inden-1-one (CAS 1260018-34-5)
- Semaglutide Impurity 129 (CAS 2490269-79-7)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com