4-Hydroxythiophene-2-carbaldehyde CAS 293742-29-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 293742-29-7 |
| Molecular Formula | C5H4O2S |
| Molecular Weight | 128.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-Hydroxythiophene-2-carbaldehyde (CAS 293742-29-7), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5H4O2S. Molecular weight: 128.15 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C5H4O2S |
| Molecular Weight | 128.15 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| 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 |
| CAS Registry Year (est.) | 2025 |
| Sulfur Atoms | 1 |
Related Hydroxythiophene Standards
- 5-Hydroxythiophene-2-carbaldehyde (CAS 144876-23-3)
- 3-Hydroxythiophene-2-carbaldehyde (CAS 5118-08-1)
- 3-Hydroxythiophene-2-carbonitrile (CAS 57059-19-5)
- 4-Hydroxythiophene-2-carbonitrile (CAS 256495-21-3)
- 5-Hydroxythiophene-2-carbonitrile (CAS 550379-22-1)
- 2-Acetyl-3-hydroxythiophene (CAS 5556-07-0)
- N-Hydroxythiophene-2-carboximidamide (CAS 53370-51-7)
- 3-Hydroxythiophene-2-carboxamide (CAS 57059-24-2)
Recommended Standards
- 4-Mercaptopyrimidin-2-ol (CAS 203213-14-3)
- 2-Oxazolecarbothioamide (CAS 885274-25-9)
- 5-Methyl-1,2,3-thiadiazole-4-carbaldehyde (CAS 27643-16-9)
- 4-(4-(Dimethylamino)styryl)-1-ethylpyridin-1-ium iodide (CAS 29519-52-6)
- 2-(1H-Pyrazol-4-yl)-1,3-benzoxazole (CAS 39116-31-9)
- 2-(4-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)oxy)phenyl)isoindoline (CAS 860650-32-4)
- 6-Bromo-4-methylhex-1-ene (CAS 86549-17-9)
- 6,7,8,9-Tetrahydro-1H-imidazo[4,5-f]quinoline (CAS 743366-83-8)
- 4-Bromophthalonitrile (CAS 70484-01-4)
- Tyr-Proinsulin C-Peptide (55-89) (human) (CAS 139532-11-9)
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 13829788188 / jacky.chen@cato-chem.com