3-Chloro-2,5-dimethylpyrazine CAS 95-89-6
| CAS No. | 95-89-6 |
| Molecular Formula | C6H7ClN2 |
| Molecular Weight | 142.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 142.59 g/mol gives 3-Chloro-2,5-dimethylpyrazine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-Chloro-2,5-dimethylpyrazine (CAS 95-89-6), molecular formula C6H7ClN2 and molecular weight 142.59 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrile group, chlorine substitution, an aromatic ring system, 3-Chloro-2,5-dimethylpyrazine is typically off-white to pale yellow liquid. Its solid-state physicochemical attributes — including a molecular weight of 142.59 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 3-Chloro-2,5-dimethylpyrazine 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 | C6H7ClN2 |
| Molecular Weight | 142.59 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 | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- 2-Chloro-1,4,5,6-tetrahydrocyclopenta[d]imidazole (CAS 1049118-62-8)
- 4-Chloro-6-methylpyridin-3-amine (CAS 1092285-77-2)
- 2-Chloro-5-ethylpyrimidine (CAS 111196-81-7)
- 4-Chloro-1-cyclopropyl-1H-pyrazole (CAS 1204901-66-5)
- 2-Chloro-6-ethylpyrazine (CAS 1209458-23-0)
- 4-Chloro-2-methylpyridin-3-amine (CAS 1211399-74-4)
- 4-Chloro-3-cyclopropyl-1H-pyrazole (CAS 1248516-15-5)
- 2-Chloro-5-ethylpyrazine (CAS 1260666-57-6)
Recommended Standards
- 3-Chloro-1,2-benzenediamine (CAS 21745-41-5)
- 3-Chloro-4-methylpyridin-2-amine (CAS 56960-76-0)
- 3-Amino-6-chloro-4-picoline (CAS 66909-38-4)
- 3-Chloro-6-ethylpyridazine (CAS 98198-61-9)
- 7-chloro-1-(2-methoxyethyl)-1H-1,3-benzodiazole-2-carbaldehyde (CAS 1437435-28-3)
- 2-Mercapto-4-(4-trifluoromethylphenyl)pyrimidine (CAS 75175-87-0)
- (S)-Metolachlor (CAS CATO-LCPD102879-ME)
- Tert-butyl (1R,5S,9s)-9-amino-3-oxa-7-azabicyclo[3.3.1]Nonane-7-carboxylate (CAS 1932441-42-3)
- 2-Chloro-4-ethoxybenzo[d]oxazole (CAS 1806339-17-2)
- Topiroxostat Impurity 32 (CAS 2044706-50-3)
- Pyridine, 2-bromo-5-methyl-4-nitro-, 1-oxide (CAS 60323-98-0)
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- N-(tert-butyl)-2-hydroxybenzenesulfonamide (CAS 1192259-38-3)
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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