2,6-Dichloro-4-ethynylpyridine CAS 250636-60-3
| CAS No. | 250636-60-3 |
| Molecular Formula | C7H3Cl2N |
| Molecular Weight | 172.01 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.
2,6-Dichloro-4-ethynylpyridine (CAS 250636-60-3) is a high-purity analytical reference standard with the molecular formula C7H3Cl2N and a molecular weight of 172.01 g/mol.
Structurally, 2,6-Dichloro-4-ethynylpyridine (C7H3Cl2N) contains a nitrile group, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 172.01 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 2,6-Dichloro-4-ethynylpyridine 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 | C7H3Cl2N |
| Molecular Weight | 172.01 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 methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Dichloro Standards
- 2,4-Dichloro-5-ethynylpyridine (CAS 1196146-42-5)
- 2,4-Dichloro-3-ethynylpyridine (CAS 1196156-25-8)
- 2,6-Dichloro-3-ethynylpyridine (CAS 1211529-52-0)
- 2,3-Dichloro-5-ethynylpyridine (CAS 1256811-44-5)
- 2,2-Dichloro-N-(2-hydroxyethyl)acetamide (CAS 6419-44-9)
- 2,2-Dichloro-N-methoxy-N-methylacetamide (CAS 521973-73-9)
- 4,5-Dichloro-2-fluorothiazole (CAS 57314-08-6)
- 2,4-Dichloro-5-fluoropyrimidine-2-<SUP>13</SUP>C,<SUP>15</SUP>N<SUB>2</SUB> (CAS 1293994-86-1)
Recommended Standards
- 2,5-Dichlorobenzonitrile (CAS 21663-61-6)
- 2,6-Dichlorophenyl isocyanide (CAS 6697-95-6)
- 2,4-Dichlorobenzonitrile (CAS 6574-98-7)
- 3,5-Dichlorophenylisocyanide (CAS 60357-67-7)
- 1-(Tert-butyl) 4-methyl 4-formylpiperidine-1,4-dicarboxylate (CAS 1270140-93-6)
- 1-cyclohexyl-3-methylbenzene (CAS 4575-46-6)
- 2,4-Dimethyl-1-phenylcyclohexan-1-ol (CAS 18707-83-0)
- (S)-tert-Butyl (5-(3-nitro-4-(((tetrahydrofuran-2-yl)methyl)amino)phenyl)-1,3,4-thiadiazol-2-yl)carbamate (CAS 1956437-59-4)
- 2-(2-Chloroquinolin-7-yl)acetic acid (CAS 1000567-03-2)
- 2-[2-(prop-2-ene-1-sulfonamido)-1,3-thiazol-4-yl]acetic acid (CAS 1506125-88-7)
- 6-((3,4-Dioxo-2-((4-(trifluoromethyl)phenyl)amino)cyclobut-1-en-1-yl)amino)-N-hydroxy-6-methylheptanamide (CAS 2245323-24-2)
- 3-(4-Nitrophenyl)-4,5-diphenyl-4H-1,2,4-triazole (CAS 62507-57-7)
- Picroside Ii (CAS 39012-20-9)
- Glucagon (19-29) (human, rat, porcine) (CAS 64790-15-4)
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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