2-(4-Chloropyridin-2-yl)acetic acid hydrochloride CAS 1688656-71-4
| CAS No. | 1688656-71-4 |
| Molecular Formula | C7H6ClNO2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2-(4-Chloropyridin-2-yl)acetic acid hydrochloride (CAS 1688656-71-4) is a high-purity analytical reference standard with the molecular formula C7H6ClNO2HCl and a molecular weight of 208.04 g/mol.
Structurally, 2-(4-Chloropyridin-2-yl)acetic acid hydrochloride (C7H6ClNO2HCl) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 208.04 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.
As a certified reference material (CRM), 2-(4-Chloropyridin-2-yl)acetic acid hydrochloride 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 | C7H6ClNO2 HCl |
| Molecular Weight | 208.04 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, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloropyridin Standards
- 3-(2-Chloropyridin-3-yl)propan-1-amine (CAS 1000512-13-9)
- 2-(4-chloropyridin-2-yl)acetonitrile (CAS 1000515-40-1)
- 2-(5-Chloropyridin-2-yl)acetic acid (CAS 1000522-43-9)
- 3-(6-Chloropyridin-3-yl)propan-1-amine (CAS 1000543-63-4)
- 3-(2-Chloropyridin-4-yl)propan-1-amine (CAS 1000545-70-9)
- 2-(3-Chloropyridin-4-yl)acetic acid (CAS 1000553-75-2)
- 3-(3-Chloropyridin-4-yl)propan-1-amine (CAS 1000555-79-2)
- 2-(4-Chloropyridin-3-yl)acetic acid (CAS 1000567-15-6)
Recommended Standards
- Methyl (4-fluorophenyl)(4-phenylpiperazin-1-yl)-acetate hydrobromide (CAS 1063629-70-8)
- 7-Bromo-6-methyl-1H-indole (CAS 1360885-93-3)
- 8-Bromo-4H-pyrido[1,2-a]pyrimidin-4-one (CAS 1198413-10-3)
- N'-(3-chloropropanoyl)-3-fluorobenzohydrazide (CAS 1823182-50-8)
- 4-Methylpyrido(2,3-E)-1,2,4-thiadiazine 1,1-dioxide (CAS 70661-84-6)
- 4-(6-{[(4-chlorophenyl)sulfanyl]methyl}-2-methylpyrimidin-4-yl)morpholine (CAS 477866-84-5)
- (4-Amino-3-bromo-5-(trifluoromethyl)phenyl)methanol (CAS 688020-70-4)
- 4-Chloro-N-(4-(4-methylpiperazin-1-yl)phenyl)benzamide (CAS 303150-63-2)
- 6-((Methyl(phenyl)amino)methyl)-N2-(o-tolyl)-1,3,5-triazine-2,4-diamine (CAS 850020-01-8)
- Semaglutide impurity 210 (CAS CATO-C4X-2226210)
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