4,5-Dimethylthiophene-2-carbaldehyde CAS 5928-48-3
| CAS No. | 5928-48-3 |
| Molecular Formula | C7H8OS |
| Molecular Weight | 140.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4,5-Dimethylthiophene-2-carbaldehyde.
4,5-Dimethylthiophene-2-carbaldehyde (CAS 5928-48-3) is a high-purity analytical reference standard with the molecular formula C7H8OS and a molecular weight of 140.20 g/mol.
Based on its molecular formula C7H8OS, 4,5-Dimethylthiophene-2-carbaldehyde contains sulfur-containing functionality, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 140.20 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).
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 4,5-Dimethylthiophene-2-carbaldehyde 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 | C7H8OS |
| Molecular Weight | 140.20 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Sulfur Atoms | 1 |
Related Dimethylthiophene Standards
- 2,4-Dimethylthiophene-3-carbaldehyde (CAS 63826-85-7)
- 3,4-Dimethylthiophene-2-carbaldehyde (CAS 343268-79-1)
- 3,5-Dimethylthiophene-2-carbaldehyde (CAS 85895-83-6)
- 4,5-Dimethylthiophene-3-carbaldehyde (CAS 30187-23-6)
- 2,5-Dimethylthiophene-3-carbonitrile (CAS 31883-38-2)
- 2,5-dimethylthiophene-3-carbaldehyde (CAS 26421-44-3)
- 2,5-Dimethylthiophene-3-thiol (CAS 29874-05-3)
- 2,4-Dimethylthiophene-3-ol (CAS 121144-97-6)
Recommended Standards
- 4-(Mercaptomethyl)phenol (CAS 89639-61-2)
- 3-Ethylthiophene-2-carbaldehyde (CAS 21426-07-3)
- 4-Mercapto-2-methylphenol (CAS 32281-01-9)
- 4-Mercaptobenzyl Alcohol (CAS 53339-53-0)
- DL-Glutamic-2,4,4-d3 Acid (CAS 96927-56-9)
- Methyl 5,5,5-trifluoro-4-oxopentanoate (CAS 22581-31-3)
- N'-(6-Methylbenzo[d]thiazol-2-yl)benzo[d]thiazole-2-carbohydrazide (CAS 851979-55-0)
- 3-Ethoxy-1-(1,3,5-trimethyl-1h-pyrazol-4-yl)prop-2-en-1-one (CAS 1344881-20-4)
- (5-Fluoro-2-methylphenyl)(pyridin-2-yl)methanol (CAS 1343714-84-0)
- 4-(5-chloro-1H-1,2,4-triazol-1-yl)butanoic acid (CAS 1555626-06-6)
- (1-(2-Methoxyphenyl)-1H-pyrazol-4-yl)boronic acid (CAS 2225172-55-2)
- Ethyl 2,5-dibromothiophene-3-carboxylate (CAS 289470-44-6)
- (1-benzylazetidin-2-yl)methanol (CAS 31247-34-4)
- Semaglutide impurity 95 (CAS CATO-C4X-222695)
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