5-Iodothiophene-3-carbaldehyde CAS 18799-85-4
| CAS No. | 18799-85-4 |
| Molecular Formula | C5H3IOS |
| Molecular Weight | 238.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Iodothiophene-3-carbaldehyde (CAS 18799-85-4) is a high-purity analytical reference standard with the molecular formula C5H3IOS and a molecular weight of 238.05 g/mol.
Based on its molecular formula C5H3IOS, 5-Iodothiophene-3-carbaldehyde contains sulfur-containing functionality, a hydroxyl group, an ether linkage, iodine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 238.05 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), 5-Iodothiophene-3-carbaldehyde 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 | C5H3IOS |
| Molecular Weight | 238.05 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, 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 |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | I-containing |
| Sulfur Atoms | 1 |
Related Iodothiophene Standards
- 4-Iodothiophene-3-carbaldehyde (CAS 18799-84-3)
- 4-Iodothiophene-2-carbaldehyde (CAS 18812-38-9)
- 3-Iodothiophene-2-carbaldehyde (CAS 930-97-2)
- 5-Iodothiophene-2-carbaldehyde (CAS 5370-19-4)
- 2-Iodothiophene-3-carbonitrile (CAS 18800-01-6)
- 5-Iodothiophene-3-carbonitrile (CAS 18800-02-7)
- 4-Iodothiophene-2-carbonitrile (CAS 18894-98-9)
- 5-Iodothiophene-2-carbonitrile (CAS 18945-81-8)
Recommended Standards
- (1-Phenyl-1,3-benzodiazol-5-yl)boronic acid (CAS 1803179-52-3)
- 2-Iodo-3-formylthiophene (CAS 18812-40-3)
- 6-bromo-4-fluoro-3H-1,3-benzoxazol-2-one (CAS 1780002-65-4)
- (4-((3-Amino-2-hydroxypropyl)carbamoyl)phenyl)boronic acid (CAS 191231-85-3)
- 4-Methyl-2,3-dihydrocyclopenta[b]indol-1(4H)-one (CAS 50776-26-6)
- 1-Benzyl-5-iodo-4-phenyl-1H-1,2,3-triazole (CAS 860002-66-0)
- 1,4-Dichlorooctafluorobutane (CAS 355-24-8)
- 3-Bromo-5-iodo-6-methoxy-2,4-dimethylpyridine (CAS 2140326-81-2)
- 3-(4-Bromobenzyl)-2-butyl-1,3-diazaspiro[4.4]non-1-en-4-one (CAS 731851-41-5)
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