3-Chloro-2-ethynylphenol CAS 2228553-96-4
| CAS No. | 2228553-96-4 |
| Molecular Formula | C8H5ClO |
| Molecular Weight | 152.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C8H5ClO, 3-Chloro-2-ethynylphenol contains a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 152.58 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
3-Chloro-2-ethynylphenol (CAS 2228553-96-4), molecular formula C8H5ClO and molecular weight 152.58 g/mol, is a CATO reference standard with documented purity and traceability.
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-ethynylphenol 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 | C8H5ClO |
| Molecular Weight | 152.58 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| 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 |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Halogen Content | Cl-containing |
Related Chloro Standards
- 3-Chloro-1H-pyrrolo[3,2-c]pyridine (CAS 1000342-65-3)
- 2-(2-Chloro-4-pyridyl)acetonitrile (CAS 1000565-45-6)
- 2-(2-Chloro-3-pyridyl)acetonitrile (CAS 101012-32-2)
- 4-Chloro-2-cyano-6-methylpyridine, 97% (CAS 104711-65-1)
- Methyl 4-chloro-3-hydroxybutanoate (CAS 10488-68-3)
- 5-Chloro-2-ethynylpyridin-3-amine (CAS 1150617-82-5)
- 2-Chloro-1H-pyrrolo[2,3-b]pyridine (CAS 1174936-85-6)
- 4-Chloro-6-azaindole (CAS 1188313-15-6)
Recommended Standards
- 3-Chloro-1H-pyrrolo[3,2-b]pyridine (CAS 24509-69-1)
- 3-Chloro-2H-indazole (CAS 457891-36-0)
- 3-Chloro-1,1-dimethoxypropan-2-one (CAS 93795-62-1)
- 3-Chloro-2-hydroxypropyl acetate (CAS 24573-30-6)
- (R)-3-Fluoropyrrolidine (CAS 679431-51-7)
- 2-(6-Methoxypyridin-3-yl)thiazole-5-carbaldehyde (CAS 1602791-09-2)
- 6-Chloro-2-(difluoromethyl)-5-iodopyridin-3-ol (CAS 1805367-21-8)
- Glycerol Impurity 18 Disodium Salt (CAS CATO-C4X-217118)
- 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-3,4-dihydroisoquinolin-1(2H)-one (CAS 2446617-97-4)
- 7-Methyl-2,7-diazaspiro[4.5]decane (CAS 1086395-12-1)
- 4-Bromo-2-chloro-3-methylaniline (CAS 80026-13-7)
- 2-(Aminomethyl)thietane 1,1-dioxide hydrochloride (CAS 1699087-66-5)
- Methyl 5-oxospiro[2.3]hexane-1-carboxylate (CAS 1518220-73-9)
- Tripeptide-10 citrulline (CAS 960531-53-7)
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