1-(4-Fluorobenzyl)-4-iodo-1H-pyrazole CAS 957503-67-2
| CAS No. | 957503-67-2 |
| Molecular Formula | C10H8FIN2 |
| Molecular Weight | 302.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
1-(4-Fluorobenzyl)-4-iodo-1H-pyrazole (CAS 957503-67-2), molecular formula C10H8FIN2 and molecular weight 302.09 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, fluorine/iodine substitution, 1-(4-Fluorobenzyl)-4-iodo-1H-pyrazole is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 302.09 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 1-(4-Fluorobenzyl)-4-iodo-1H-pyrazole 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 | C10H8FIN2 |
| Molecular Weight | 302.09 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F/I-containing |
| Nitrogen Atoms | 2 |
Related Fluorobenzyl Standards
- 1-(2-Fluorobenzyl)-4-iodo-1H-pyrazole (CAS 1339591-78-4)
- 1-(3-Fluorobenzyl)-4-iodo-1H-pyrazole (CAS 1342965-43-8)
- 1-(4-Fluorobenzyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 1379615-58-3)
- 1-(2-Fluorobenzyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 1415825-05-6)
- 1-(3-Fluorobenzyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 864771-96-0)
- 2-(3-(4-Fluorobenzyl)bicyclo[1.1.1]pentan-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2826263-59-4)
- 2-(4-Fluorobenzyl)-3-oxo-2,3,5,6,7,8-hexahydrocinnoline-6-carboxylic acid (CAS 1707378-97-9)
- 2-(((4-Fluorobenzyl)oxy)methyl)-2,3-dihydrobenzofuran-5-carboxylic acid (CAS 197506-40-4)
Recommended Standards
- 2-Bromo-6-(3-(trifluoromethyl)phenyl)pyridine (CAS 180606-07-9)
- 1-[4-(2-bromoacetyl)piperidin-1-yl]-2,2,2-trifluoroethan-1-one (CAS 2031268-68-3)
- 2-Bromo-4,5-difluoro-N-methoxybenzenesulfonamide (CAS 1704066-97-6)
- 2-Bromo-6-(4-(trifluoromethyl)phenyl)pyridine (CAS 637352-38-6)
- 2-(2-Bromo-4-formyl-6-methoxyphenoxy)-N-(tert-butyl)acetamide (CAS 1153460-82-2)
- 2,5-Diaminoadipic acid dihydrochloride (CAS 52408-04-5)
- 2-Methyl-9-propyl-9H-purin-6-amine (CAS 63555-28-2)
- 5-tert-butyl-1H-indole-2,3-dione (CAS 2475-68-5)
- 2-Hydroxy-3-methyl-7,8,9,10-tetrahydro-6H-benzo[c]chromen-6-one (CAS 710991-30-3)
- (Z)-2-(3-carboxyacrylamido)benzoic acid (CAS 62530-49-8)
- 2-Chloro-1-methyl-1H-benzo[d]imidazole (CAS 1849-02-1)
- 6-Chloro-2-cyclopropylnicotinonitrile (CAS 1774903-75-1)
- 4-Amino-1-tert-butyl-3-benzylpyrazolo[3,4-d]pyrimidine (CAS 186895-85-2)
- Peptide 437 (CAS CATO-CPTD788437)
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