4-Iodo-1,5-dimethyl-1H-pyrazol-3-ol CAS 2168559-72-4
| CAS No. | 2168559-72-4 |
| Molecular Formula | C5H7IN2O |
| Molecular Weight | 238.03 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
4-Iodo-1,5-dimethyl-1H-pyrazol-3-ol (CAS 2168559-72-4) is a high-purity analytical reference standard with the molecular formula C5H7IN2O and a molecular weight of 238.03 g/mol.
The molecular framework of 4-Iodo-1,5-dimethyl-1H-pyrazol-3-ol (C5H7IN2O) 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. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures 4-Iodo-1,5-dimethyl-1H-pyrazol-3-ol 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 | C5H7IN2O |
| Molecular Weight | 238.03 g/mol |
| Appearance | 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1998 |
| Halogen Content | I-containing |
| Nitrogen Atoms | 2 |
Related Iodo Standards
- (4-Iodo-1-methyl-1H-pyrazol-5-yl)methanol (CAS 1346818-68-5)
- (4-Iodo-1-methyl-1H-pyrazol-3-yl)methanol (CAS 1401816-91-8)
- 4-Iodo-1H-pyrazole-1-ethanol (CAS 1408334-75-7)
- 4-Iodo-1-(methoxymethyl)-1H-pyrazole (CAS 145243-92-1)
- (5-Iodo-1-methyl-1H-pyrazol-4-yl)methanol (CAS 1871985-48-6)
- (3-Iodo-1-methyl-1H-pyrazol-4-yl)methanol (CAS 2155855-30-2)
- 3-Iodo-4-methoxy-1-methyl-1H-pyrazole (CAS 2203333-07-5)
- 4-Iodo-3-methoxy-5-methyl-1H-pyrazole (CAS 335349-53-6)
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- 2-(Furan-2-yl)-4-methylpyrimidine-5-carboxylic acid (CAS 1240600-49-0)
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- 4-Ethyl-7-oxo-2-(trifluoromethyl)-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylic acid (CAS 1135989-36-4)
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- Tirzepatide Impurity 17 (CAS CATO-C4X-324017)
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