5-(3,4-Difluorophenyl)-1H-pyrazol-3-amine CAS 1137011-71-2
| CAS No. | 1137011-71-2 |
| Molecular Formula | C9H7F2N3 |
| Molecular Weight | 195.17 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.
5-(3,4-Difluorophenyl)-1H-pyrazol-3-amine (CAS 1137011-71-2), molecular formula C9H7F2N3 and molecular weight 195.17 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5-(3,4-Difluorophenyl)-1H-pyrazol-3-amine (C9H7F2N3) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 195.17 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures 5-(3,4-Difluorophenyl)-1H-pyrazol-3-amine 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 | C9H7F2N3 |
| Molecular Weight | 195.17 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, 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
Related Difluorophenyl Standards
- 5-(2,4-Difluorophenyl)-1H-pyrazol-3-amine (CAS 1040724-31-9)
- 5-(3,5-Difluorophenyl)-1h-pyrazol-3-amine (CAS 1107481-22-0)
- 3-(2,6-Difluorophenyl)-1H-pyrazol-4-amine (CAS 1250743-43-1)
- 3-(2,3-difluorophenyl)-1H-pyrazol-5-amine (CAS 1384537-81-8)
- 1-(2,6-Difluorophenyl)-1H-pyrazol-3-amine (CAS 1511383-48-4)
- 1-(3,5-Difluorophenyl)-1H-pyrazol-4-amine (CAS 646037-39-0)
- 4-(2,4-Difluorophenyl)-1H-pyrazol-5-amine (CAS 2091510-26-6)
- 1-(2,4-Difluorophenyl)-N-methylbut-3-yn-2-amine (CAS 1495237-21-2)
Recommended Standards
- 3-Amino-2-(methoxycarbonyl)benzoic Acid (CAS 113579-20-7)
- 2-(Methoxycarbonyl)-6-methylisonicotinic acid (CAS 1137881-93-6)
- Bromotriethylsilane (CAS 1112-48-7)
- 2-(2-Aminoacetoxy)benzoic acid (CAS 114426-27-6)
- 1-(Tert-butoxycarbonyl)-4-(4-methoxyphenyl)piperidine-4-carboxylic acid (CAS 1158750-72-1)
- Ethyl 2-(pyrrolidin-3-ylidene)acetate (CAS 1220040-47-0)
- 6-Bromo-3-hydroxy-2-methylquinoline-4-carboxylic acid (CAS 55572-46-8)
- 2-Phenyl-1-tosylazetidine (CAS 38455-36-6)
- 2-Methyl-N-((tetrahydrofuran-2-yl)methyl)pentan-3-amine (CAS 1157129-09-3)
- 5-Methyl-1-phenyl-1H-pyrazole-4-carboxamide (CAS 292852-03-0)
- 6-Chloro-N-(pyridin-3-yl)pyrimidin-4-amine (CAS 945896-57-1)
- 1-Hydroxy-4,4-dimethylcyclohexane-1-carboxylic acid (CAS 1338971-47-3)
- Methyl 5-chloro-1H-pyrrolo[3,2-b]pyridine-7-carboxylate (CAS 2092473-49-7)
- Semaglutide Impurity 137 (x TFA Salt) (CAS CATO-C4X-2226137)
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