4-Iodothiophene-3-carbaldehyde CAS 18799-84-3
| CAS No. | 18799-84-3 |
| Molecular Formula | C5H3IOS |
| Molecular Weight | 238.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 4-Iodothiophene-3-carbaldehyde (C5H3IOS) contains sulfur-containing functionality, a hydroxyl group, an ether linkage, iodine substitution. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 238.05 g/mol, it falls into the medium-molecular-weight range. 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).
4-Iodothiophene-3-carbaldehyde (CAS 18799-84-3), molecular formula C5H3IOS and molecular weight 238.05 g/mol, is a CATO reference standard with documented purity and traceability.
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-Iodothiophene-3-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 | 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
- 5-Iodothiophene-3-carbaldehyde (CAS 18799-85-4)
- 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
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- (5-((tert-Butoxycarbonyl)amino)pyridin-3-yl)boronic acid (CAS 1708122-98-8)
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