5-Fluoro-2-methylphenylhydrazine CAS 2339-53-9
| CAS No. | 2339-53-9 |
| Molecular Formula | C7H9FN2 |
| Molecular Weight | 140.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a nitrile group, fluorine substitution, an aromatic ring system, 5-Fluoro-2-methylphenylhydrazine is typically off-white to pale yellow liquid. Its solid-state physicochemical attributes — including a molecular weight of 140.16 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
5-Fluoro-2-methylphenylhydrazine (CAS 2339-53-9), molecular formula C7H9FN2 and molecular weight 140.16 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.
As a certified reference material (CRM), 5-Fluoro-2-methylphenylhydrazine 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 | C7H9FN2 |
| Molecular Weight | 140.16 g/mol |
| 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 |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Fluoro Standards
- 2-fluoro-1-N-methylbenzene-1,4-diamine (CAS 1092298-50-4)
- (2-Fluoro-3-methylphenyl)hydrazine (CAS 1138036-49-3)
- 2-Fluoro-5-methylbenzene-1,4-diamine (CAS 1141669-41-1)
- 6-Fluoro-N1-methylbenzene-1,2-diamine (CAS 118469-26-4)
- (5-Fluoro-4-methylpyridin-2-yl)methanamine (CAS 1211531-65-5)
- (5-Fluoro-6-methylpyridin-2-yl)methanamine (CAS 1256787-77-5)
- (3-Fluoro-5-methylpyridin-2-yl)methanamine (CAS 1256805-23-8)
- (6-Fluoro-5-methylpyridin-2-yl)methanamine (CAS 1256836-21-1)
Recommended Standards
- 5-Amino-2-fluorobenzyl Amine (CAS 771571-82-5)
- 5-Fluoro-3-methylbenzene-1,2-diamine (CAS 206647-96-3)
- 4-Fluoro-N1-methylbenzene-1,2-diamine (CAS 401567-10-0)
- 5-Fluoro-N1-methyl-1,2-benzenediamine (CAS 348133-46-0)
- 2-(1H-indol-3-yl)-N,N-dimethyl-2-oxoacetamide (CAS 29095-44-1)
- 3,4-Dibromo-5-fluorobenzaldehyde (CAS 1803716-04-2)
- (S)-3-fluoropropane-1,2-diol (CAS 33644-25-6)
- 3-[(3-aminophenyl)ethynyl]benzoic acid (CAS 930395-90-7)
- 5,6-Dimethyl-2-(morpholin-4-ylmethyl)-3H,4H-thieno[2,3-d]pyrimidin-4-one (CAS 731001-94-8)
- n-Cycloheptyl-4-fluoro-2-iodobenzamide (CAS 1208838-15-6)
- Moxifloxacin Impurity 11 (CAS 5433-44-3)
- N-(4-Phenoxyphenyl)-1-[6-(trifluoromethyl)pyrimidin-4-yl]piperidine-4-carboxamide (CAS 1775546-75-2)
- 8-Methoxy-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)imidazo[1,2-a]pyrazine (CAS 2791310-98-8)
- Des-Pro36-37-Tirzepatide (CAS CATO-CPTD788938)
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