Methyl 4-(4-(4-Chloro-3-methylphenoxy)phenyl)-2,4-dioxobutanoate CAS 1159980-99-0
| CAS No. | 1159980-99-0 |
| Molecular Formula | C18H15ClO5 |
| Molecular Weight | 346.76 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Methyl 4-(4-(4-Chloro-3-methylphenoxy)phenyl)-2,4-dioxobutanoate.
Methyl 4-(4-(4-Chloro-3-methylphenoxy)phenyl)-2,4-dioxobutanoate (CAS 1159980-99-0), molecular formula C18H15ClO5 and molecular weight 346.76 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C18H15ClO5, Methyl 4-(4-(4-Chloro-3-methylphenoxy)phenyl)-2,4-dioxobutanoate contains a flavonoid core, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 346.76 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.
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 Methyl 4-(4-(4-Chloro-3-methylphenoxy)phenyl)-2,4-dioxobutanoate 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 | C18H15ClO5 |
| Molecular Weight | 346.76 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Cl-containing |
Related Methyl Standards
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- N-(2-chloro-6-(1H-pyrrol-1-yl)benzyl)-2,4-difluorobenzamide (CAS 866043-54-1)
- N-(4-chloro-3-(trifluoromethyl)phenyl)-2-(pyridin-2-ylthio)acetamide (CAS 329078-60-6)
- 1380572-33-7 5-Chloro-3-(3,4,5-trimethoxy-phenylimino)-1,3-dihydro-indol-2-one (CAS 1380572-33-7)
- 1-(5-Chloro-2-nitrophenyl)-6,7-dimethoxy-3,4-dihydroisoquinoline (CAS 62206-13-7)
- 2-((6-Chloro-2-(4-methoxyphenyl)-1H-benzo[d]imidazol-1-yl)oxy)propanoic acid (CAS 329234-73-3)
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Recommended Standards
- Dacomitinib Impurity 26 (CAS CATO-C4X-208626)
- 5-Chloro-2-(4-fluorophenyl)-4-(4-methoxyphenoxy)pyridazin-3(2H)-one (CAS 478049-35-3)
- 3-{[(4-chlorophenyl)methyl]sulfanyl}-5-(trifluoromethyl)pyridine-2-carboxamide (CAS 338406-83-0)
- Bromodiiodomethane (CAS 557-95-9)
- N-(3-aminophenyl)-2-(dimethylamino)acetamide dihydrochloride (CAS 1255717-19-1)
- 5-Cyclopropoxy-2-iodo-N-methylpyridin-4-amine (CAS 1243364-54-6)
- 1-[4-(Aminomethyl)piperidin-1-yl]propan-1-one hydrochloride (CAS 1332765-74-8)
- 4-{[(4-fluorophenyl)amino]methyl}piperidin-4-ol (CAS 1330583-68-0)
- Ethyl (S)-2-amino-3-cyclohexylpropanoate hydrochloride (CAS 60025-25-4)
- 5-Bromo-6-(difluoromethyl)pyrimidin-4-amine (CAS 1706451-58-2)
- 1-methoxy-3-methylcyclohexane (CAS 52204-64-5)
- (3R,4S)-4-methoxypyrrolidin-3-ol hydrochloride (CAS 473298-26-9)
- 2H-pyrrolo[2,3-b]pyridin-2-one, 3,3,5-tribromo-1,3-dihydro-1-[[2-(trimethylsilyl)ethoxy]methyl]- (CAS 1229584-02-4)
- Semaglutide impurity 56 (CAS CATO-C4X-222656)
Why CATO?
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