5-Fluoro-2-hydrazinopyridine CAS 145934-90-3
| CAS No. | 145934-90-3 |
| Molecular Formula | C5H6FN3 |
| Molecular Weight | 127.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 5-Fluoro-2-hydrazinopyridine is closely related to a nitrile group, fluorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
5-Fluoro-2-hydrazinopyridine (CAS 145934-90-3), molecular formula C5H6FN3 and molecular weight 127.12 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 5-Fluoro-2-hydrazinopyridine (C5H6FN3) is characterized by a nitrile group, fluorine 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. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C5H6FN3 |
| Molecular Weight | 127.12 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 |
| CAS Registry Year (est.) | 1998 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
Related Fluoro Standards
- 3-Fluoro-5-methoxypyridine (CAS 1060801-62-8)
- 3-Fluoro-4-methoxypyridine (CAS 1060805-03-9)
- 2-Fluoro-4-methylpyridin-3-ol (CAS 1092561-59-5)
- 5-Fluoro-3-methylpyridin-2(1H)-one (CAS 1101060-83-6)
- 3-Fluoro-2-methylpyridine 1-oxide (CAS 113209-81-7)
- 2-Fluoro-3-hydrazinylpyridine (CAS 1138036-56-2)
- 2-Fluoro-6-methoxypyridine (CAS 116241-61-3)
- 2-Fluoro-5-methylpyridin-3-ol (CAS 1184172-53-9)
Recommended Standards
- 3-((1R,2R)-rel-2-Fluorocyclopropyl)-3-oxopropanenitrile 1445855-92-4 (CAS 1445855-92-4)
- 5-Fluoro-4-methylpyrimidin-2-amine (CAS 1520462-87-6)
- 3-Fluoro-1-methylpyridin-2(1H)-one (CAS 1422453-69-7)
- 2-(Fluoromethyl)pyrimidin-4-amine (CAS 16097-51-1)
- 3,4,5-Trichloropyridin-2-amine (CAS 55933-91-0)
- n-(1-Benzylpyrrolidin-3-yl)-2-chloropropanamide hydrochloride (CAS 1210664-95-1)
- 1-(6-Nitro-2,3-dihydro-4H-benzo[b][1,4]oxazin-4-yl)ethan-1-one (CAS 120711-96-8)
- 2-(4-Cyclohexylphenyl)-5,8-dimethoxyquinoline (CAS 860784-10-7)
- 4-(Ethoxycarbonylmethyl)-3-fluorophenylboronic acid (CAS 1146614-44-9)
- 4-Isopropyl-5-methylpyrimidin-2-amine (CAS 35733-55-2)
- 5-Methyl-4-phenylthiazol-2-amine hydrobromide (CAS 34176-31-3)
- Cyclo(-Arg-Ala-Asp-D-Phe-Cys) trifluoroacetate salt (CAS 1055991-02-0)
- Tolvaptan Impurity 19 (CAS 933-88-0)
- D-Leu14-Tirzepatide (CAS CATO-CPTD788920)
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