3-Oxo-4-(4-methylphenyl)butanoyl chloride CAS 1989983-07-4
| CAS No. | 1989983-07-4 |
| Molecular Formula | C11H11ClO2 |
| Molecular Weight | 210.66 g/mol |
| 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.
3-Oxo-4-(4-methylphenyl)butanoyl chloride (CAS 1989983-07-4) is a high-purity analytical reference standard with the molecular formula C11H11ClO2 and a molecular weight of 210.66 g/mol.
Based on its molecular formula C11H11ClO2, 3-Oxo-4-(4-methylphenyl)butanoyl chloride contains a carboxylic acid group, 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 210.66 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 3-Oxo-4-(4-methylphenyl)butanoyl chloride 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 | C11H11ClO2 |
| Molecular Weight | 210.66 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | Cl-containing |
Related Oxo Standards
- 3-Oxo-4-(3-methylphenyl)butanoyl chloride (CAS 1987320-82-0)
- (4-Methylphenyl)methanesulfonyl chloride; 4-Methylbenzenemethanesulfonyl chloride; p-Methyl-|A-toluenesulfonyl chloride; p-Tolylmethanesulfonyl chloride 51419-59-1 AB1005513 (CAS 51419-59-1)
- 3-[(4-methylphenyl)sulfanyl]propanehydrazide (CAS 790270-94-9)
- methyl 3-(4-methylphenyl)-2-sulfanylpropanoate (CAS 139744-19-7)
- 4-[(4-methylphenyl)sulfanyl]butanoic acid (CAS 18850-48-1)
- 3-[(4-Methylphenyl)methylsulfanyl]propanoic acid (CAS 78981-22-3)
- Bis(2-methylphenyl)methanone (CAS 1018-97-9)
- 2-(4-Methylphenyl)-2-phenyloxirane (CAS 80909-79-1)
Recommended Standards
- 3-Oxo-4-(o-tolyl)butanoyl chloride (CAS 2169029-81-4)
- 3-Chloro-4-(cyclopropylmethoxy)benzaldehyde (CAS 883519-07-1)
- 3-tert-Butyl-6-chloro-[1,2,4]triazolo[4,3-b]pyridazine (CAS 263401-62-3)
- 3-Chloro-3-phenylcyclobutane-1-carboxylic acid (CAS 23761-27-5)
- 5-(4-Morpholinylmethyl) δ-Tocopherol (CAS 936230-68-1)
- 2-Propen-1-ol, polymer with ethenylbenzene, butanedioate dodecanoate (CAS 69029-23-8)
- Heptyl Isocyanate (CAS 4747-81-3)
- (R)-1-Cyclopropylpiperidin-3-amine (CAS 1001354-57-9)
- 3-(p-Tolyl)-1H-1,2,4-triazol-5-amine (CAS 5220-68-8)
- N,N-Dimethyl-1-(1,4-oxazepan-6-yl)methanamine dihydrochloride (CAS 1609395-78-9)
- Zirconium(IV)bromide (CAS 13777-25-8)
- (6-Isopropyl-3,4-dihydro-2h-pyran-5-yl)methanamine hydrochloride (CAS 1384724-06-4)
- 2'-Sulfamoyl-[1,1'-biphenyl]-4-carboxylicacid (CAS 352615-90-8)
- Fragment-[3-31]-Liraglutide (CAS CATO-C4X-199232)
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