2-Chloro-6-cyclopentylpyrazine CAS 1209459-56-2
| CAS No. | 1209459-56-2 |
| Molecular Formula | C9H11ClN2 |
| Molecular Weight | 182.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 2-Chloro-6-cyclopentylpyrazine 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.
2-Chloro-6-cyclopentylpyrazine (CAS 1209459-56-2), molecular formula C9H11ClN2 and molecular weight 182.65 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H11ClN2, 2-Chloro-6-cyclopentylpyrazine contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 182.65 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
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.
Physical & Chemical Properties
| Molecular Formula | C9H11ClN2 |
| Molecular Weight | 182.65 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- 2-Chloro-6,7,8,9-tetrahydro-5H-pyrido[2,3-d]azepine (CAS 1003587-71-0)
- 7-Chloro-2,2-dimethyl-2,3-dihydro-1-benzofuran (CAS 10178-55-9)
- 3-Chloro-5-pyrrolidin-2-yl-pyridine (CAS 1025976-52-6)
- 1-(4-Chloro-2-methylphenyl)propan-1-one (CAS 1034980-59-0)
- 5-Chloro-N-(cyclopropylmethyl)pyridin-2-amine (CAS 1042515-86-5)
- 1-(4-Chloro-3-methylphenyl)propan-1-one (CAS 105321-54-8)
- 8-Chloro-2,3,4,5-tetrahydro-1H-benzo[e][1,4]diazepine (CAS 107479-55-0)
- 4-chloro-1-N-cyclopropylbenzene-1,2-diamine (CAS 1092286-35-5)
Recommended Standards
- 4-Chloro-2-(pyrrolidin-1-yl)pyridine (CAS 1209459-01-7)
- 5H-PYrido[2,3-b]azepine, 2-chloro-6,7,8,9-tetrahydro (CAS 1211526-68-9)
- 3-Chloro-6-cyclopentylpyridazine (CAS 1209458-00-3)
- (R)-3-Chloro-5-(pyrrolidin-2-yl)pyridine (CAS 1212924-96-3)
- (Nitrosoimino)bisacetic Acid Diethyl Ester (CAS 5438-83-5)
- 4-Methyl-2-(1H-pyrrol-2-yl)quinoline (CAS 943825-14-7)
- 4-(chloromethyl)-3-fluoro-pyridine hydrochloride (CAS 1357351-91-7)
- tert-Butyl 2-oxopentanoate (CAS 88945-69-1)
- 5-Ethyl-3-(3-fluoro-4-methylphenyl)-1H-pyrazole (CAS 1439308-52-7)
- 2-(1-Acetyl-2-(3,4-dichlorophenyl)-5-methyl-3-oxo-2,3-dihydro-1H-pyrazol-4-yl)ethyl acetate (CAS 865658-32-8)
- 3,5-Dichloro-2-(pyrrolidin-3-yloxy)pyridine (CAS 1248632-19-0)
- 1,2-Dichloro-4-(cyclopentyloxy)-5-nitrobenzene (CAS 1395034-62-4)
- Ethyl 2-(2,5-dioxo-2,5-dihydro-1h-pyrrol-1-yl)-4,5-dimethylthiophene-3-carboxylate (CAS 295347-54-5)
- Tirzepatide Impurity 58 (CAS CATO-C4X-324058)
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