n5-(4-Chlorophenyl)pyridine-2,5-diamine CAS 1018281-51-0
| CAS No. | 1018281-51-0 |
| Molecular Formula | C11H10ClN3 |
| Molecular Weight | 219.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including n5-(4-Chlorophenyl)pyridine-2,5-diamine.
n5-(4-Chlorophenyl)pyridine-2,5-diamine (CAS 1018281-51-0), molecular formula C11H10ClN3 and molecular weight 219.67 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, n5-(4-Chlorophenyl)pyridine-2,5-diamine (C11H10ClN3) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 219.67 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
As a certified reference material (CRM), n5-(4-Chlorophenyl)pyridine-2,5-diamine 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 | C11H10ClN3 |
| Molecular Weight | 219.67 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related n Standards
- 5-N-(3-chlorophenyl)pyridine-2,5-diamine (CAS 1018503-96-2)
- 2-(3-Chlorophenyl)-3-cyclopropyl-3-oxopropanenitrile (CAS 1094230-44-0)
- 2-(4-Chlorophenyl)-3-cyclopropyl-3-oxopropanenitrile (CAS 110347-82-5)
- (R)-(4-Chlorophenyl)(pyridin-2-yl)methanol (CAS 112966-26-4)
- 5-(4-Chlorophenyl)-2-methoxypyridine (CAS 1198416-70-4)
- (2-(2-Chlorophenyl)pyrimidin-4-yl)methanamine (CAS 1211509-73-7)
- 2-(2-Chlorophenyl)-3-cyclopropyl-3-oxopropanenitrile (CAS 1248206-90-7)
- 6-(2-Chlorophenyl)-2-methylpyrimidin-4-amine (CAS 1249098-57-4)
Recommended Standards
- 6-Chloro-N-methyl-2-phenylpyrimidin-4-amine (CAS 1017782-49-8)
- 2-((4-Chlorobenzyl)oxy)pyridine (CAS 1018349-32-0)
- 1-(2-Chloro-8-methylquinolin-3-yl)ethanone (CAS 1017428-95-3)
- 2-(Benzyloxy)-4-chloropyridine (CAS 1006052-55-6)
- (3-Bromo-2-hydroxy-5-methylphenyl)(cyclopropyl)methanone (CAS 1247430-17-6)
- 2α-Hydroxymethylethisterone (CAS 2787-03-3)
- b-MSH, porcine (CAS 19941-13-0)
- 5-(4-Bromophenyl)-4H-1,2,4-triazole-3-carboxylic acid (CAS 944906-55-2)
- 2-(4-Ethoxyphenyl)quinoline-4-carboxylic acid (CAS 51842-68-3)
- 3-Bromo-5-(trifluoromethyl)benzenesulfonamide (CAS 214210-15-8)
- N,N-Dibenzyloxycarbonyl Serotonin (CAS 1797983-46-0)
- (1e)-3,3,3-Trifluoro-1-nitroprop-1-ene (CAS 37468-00-1)
- 5-Bromo-3-(difluoromethoxy)benzofuran-2-carboxylic acid (CAS 1779122-46-1)
- Acetyl-Exenatide trifluoroacetate salt (CAS 305815-28-5)
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