2-Chloro-6-(1H-pyrazol-1-yl)pyrazine CAS 642459-09-4
| CAS No. | 642459-09-4 |
| Molecular Formula | C7H5ClN4 |
| Molecular Weight | 180.59 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.
CATO supplies 2-Chloro-6-(1H-pyrazol-1-yl)pyrazine (CAS 642459-09-4), a certified reference material (molecular formula C7H5ClN4, MW 180.59 g/mol) for analytical method development and quality control.
Structurally, 2-Chloro-6-(1H-pyrazol-1-yl)pyrazine (C7H5ClN4) contains a nitrile group, chlorine substitution, an aromatic ring system. 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 180.59 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO manufactures 2-Chloro-6-(1H-pyrazol-1-yl)pyrazine 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 | C7H5ClN4 |
| Molecular Weight | 180.59 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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.) | 1985 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related Chloro Standards
- 6-Chloro-1H-pyrrolo[3,2-c]pyridine-3-carbaldehyde (CAS 1000341-64-9)
- 8-Chloro-3,4-dihydroquinazolin-4-one (CAS 101494-95-5)
- 7-Chloro-4H-1-benzopyran-4-one (CAS 101860-74-6)
- 8-Chloro-1,7-naphthyridin-4(1H)-one (CAS 1018812-91-3)
- 4-Chloro-1h-indazole-3-carbaldehyde (CAS 102735-85-3)
- 3-Chloro-1H-indazole-6-carbaldehyde (CAS 1086391-23-2)
- 8-Chloro-1,5-naphthyridin-2(1H)-one (CAS 1092650-94-6)
- 5-Chloro-1H-indazole-7-carbaldehyde (CAS 1100213-27-1)
Recommended Standards
- 2-Chloro-6-(1H-imidazol-1-yl)pyrazine (CAS 941294-48-0)
- 2-Chloro-6-(furan-2-yl)pyrazine (CAS 426829-57-4)
- 2-Chloro-5-(2-furanyl)pyrazine (CAS 82619-63-4)
- 2-Chloro-8-hydroxyquinazoline (CAS 953039-10-6)
- (E)-5-bromo-1-(but-2-en-1-yl)pyrimidine-2,4(1H,3H)-dione (CAS 950581-48-3)
- 3-Chloro-6-(2,2,2-trifluoroethoxy)pyridazine (CAS 99366-83-3)
- 2-[3-(trifluoromethyl)phenyl]acetaldehyde (CAS 21172-31-6)
- (1S)-1-(5-bromo-3-fluoro(2-pyridyl))ethylamine (CAS 1213427-75-8)
- 1-Piperidinecarboxylic acid, 2-(4-fluorophenyl)-4-oxo-, phenylmethyl ester (CAS 414910-20-6)
- 3-(2,6-Dimethylpiperazin-1-yl)-N,N-dimethylpropan-1-amine (CAS 1017120-50-1)
- Methyl 2-((S)-morpholin-2-yl)acetate (CAS 1352785-11-5)
- 5-(Piperazin-1-yl)pyrazine-2-carboxylic acid (CAS 1339131-26-8)
- 3-Phenyl-[1,2,4]triazolo[4,3-b]pyridazin-8-amine (CAS 6583-40-0)
- Peptide 74 (H-8545.0500) (CAS 132116-39-3)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com