2-(4-Iodo-1H-pyrazol-1-yl)acetaldehyde CAS 1172074-04-2
| CAS No. | 1172074-04-2 |
| Molecular Formula | C5H5IN2O |
| Molecular Weight | 236.01 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The molecular framework of 2-(4-Iodo-1H-pyrazol-1-yl)acetaldehyde (C5H5IN2O) is characterized by an amide group, a hydroxyl group, an ether linkage, iodine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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).
2-(4-Iodo-1H-pyrazol-1-yl)acetaldehyde (CAS 1172074-04-2), molecular formula C5H5IN2O and molecular weight 236.01 g/mol, is a CATO reference standard with documented purity and traceability.
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 2-(4-Iodo-1H-pyrazol-1-yl)acetaldehyde 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 | C5H5IN2O |
| Molecular Weight | 236.01 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | I-containing |
| Nitrogen Atoms | 2 |
Related Iodo Standards
- 5-Iodo-2-methoxypyrimidine (CAS 101803-06-9)
- 5-Iodo-2-methylpyrimidin-4(3H)-one (CAS 111079-41-5)
- 4-Iodo-1-methyl-1H-pyrazole-3-carbaldehyde (CAS 1214997-78-0)
- 2-Iodo-5-methoxypyrimidine (CAS 1261783-95-2)
- 5-Iodo-1-methyl-1H-pyrazole-4-carbaldehyde (CAS 1346818-72-1)
- 5-Iodo-2-methylpyridazin-3(2H)-one (CAS 153239-91-9)
- 4-Iodo-6-methoxypyrimidine (CAS 161489-05-0)
- 5-Iodo-4-methylpyrimidin-2-ol (CAS 1692032-12-4)
Recommended Standards
- 4-Amino-2-iodopyridin-3-ol (CAS 1171919-81-5)
- 4-Amino-3-bromo-2,5-difluorobenzaldehyde (CAS 112279-63-7)
- 2,5-Dichloro-4-nitrobenzoic acid (CAS 13300-60-2)
- 1-(5-Bromopyridin-2-yl)-2,2-difluoroethan-1-one (CAS 1022155-02-7)
- Methyl 3-(difluoromethoxy)-4-fluorobenzoate (CAS 1261582-03-9)
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- Malic Acid Impurity 6 (CAS CATO-C4X-25096)
- 2-Bromo-1-(4-pentylphenyl)ethan-1-one (CAS 64328-68-3)
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- (5E)-2-(4-Methylpiperazin-1-yl)-5-[(naphthalen-1-yl)methylidene]-4,5-dihydro-1,3-thiazol-4-one (CAS 866149-73-7)
- Semaglutide (CAS CATO-C4X-2226105)
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