1142199-90-3 (4E)-3-(Chloromethyl)-4-(2,3,4-trimethoxybenzylidene)isoxazol-5(4H)-one MFCD12027833 CAS 1142199-90-3
| CAS No. | 1142199-90-3 |
| Molecular Formula | C14H14ClNO5 |
| Molecular Weight | 311.72 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 1142199-90-3 (4E)-3-(Chloromethyl)-4-(2,3,4-trimethoxybenzylidene)isoxazol-5(4H)-one MFCD12027833 is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
1142199-90-3 (4E)-3-(Chloromethyl)-4-(2,3,4-trimethoxybenzylidene)isoxazol-5(4H)-one MFCD12027833 (CAS 1142199-90-3) is a high-purity analytical reference standard with the molecular formula C14H14ClNO5 and a molecular weight of 311.72 g/mol.
Structurally, 1142199-90-3 (4E)-3-(Chloromethyl)-4-(2,3,4-trimethoxybenzylidene)isoxazol-5(4H)-one MFCD12027833 (C14H14ClNO5) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 311.72 g/mol, it falls into the moderately-high-molecular-weight range. 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 1142199-90-3 (4E)-3-(Chloromethyl)-4-(2,3,4-trimethoxybenzylidene)isoxazol-5(4H)-one MFCD12027833 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 | C14H14ClNO5 |
| Molecular Weight | 311.72 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related E Standards
- (4E)-3-(Chloromethyl)-4-(2,4,5-trimethoxy-benzylidene)isoxazol-5(4H)-one (CAS 1142199-46-9)
- (4E)-3-(Chloromethyl)-4-(3,4,5-trimethoxy-benzylidene)isoxazol-5(4H)-one (CAS 1142199-47-0)
- Methyl 6-(chloromethyl)-4-iodopicolinate (CAS 1393531-71-9)
- 7-(Chloromethyl)-3-(4-chlorophenyl)-5H-thiazolo[3,2-a]pyrimidin-5-one (CAS 100003-85-8)
- 2-(Chloromethyl)-5-(4-chlorophenyl)-3h,4h-thieno[2,3-d]pyrimidin-4-one (CAS 91225-69-3)
- 2-(Chloromethyl)-6-(4-chlorophenyl)-3h,4h-thieno[3,2-d]pyrimidin-4-one (CAS 851398-76-0)
- 1,4-Bis(5-(chloromethyl)-1,2,4-oxadiazol-3-yl)benzene (CAS 257880-89-0)
- 1-(Chloromethyl)-4-(dodecyloxy)benzene (CAS 118468-30-7)
Recommended Standards
- 2-(1,3-Benzodioxol-5-yl)quinoline-4-carbonyl chloride (CAS 1160264-91-4)
- Methyl 1-(2-(4-chlorophenyl)-2-hydroxyethyl)-5-(hydroxymethyl)-1H-1,2,3-triazole-4-carboxylate (CAS 1351772-52-5)
- Tizanidine Nitroso Impurity 14 (CAS CATO-C4X-144514)
- 5-Chloro-2-[(ethoxycarbonyl)oxy]-1H-indole-1-carboxylic Acid Ethyl Ester (CAS 197775-85-2)
- Tert-butyl (R)-1-methyl-2-oxoimidazolidine-4-carboxylate (CAS 143996-78-5)
- 2,3,4,5-Tetrahydro-1H-pyrido[4,3-b]indolehydrochloride (CAS 20522-30-9)
- Cyclopentyl(1H-indol-3-yl)methanone (CAS 117954-38-8)
- (5-(tert-Butyl)-2-methoxyphenyl)boronic acid (CAS 128733-85-7)
- Cefmetazole Impurity 72 (CAS CATO-C4X-150772)
- 4-(3-(Bromomethyl)phenyl)morpholine (CAS 1314884-51-9)
- Levetiracetam EP Impurity G (CAS 7682-20-4)
- 2-Amino-6-isopropylnicotinonitrile (CAS 943771-01-5)
- 2-(4-tert-Butyl-phenyl)-2-methyl-propionic acid methyl ester (CAS 157444-69-4)
- Liraglutide(13-31)TFA Salt (CAS CATO-C4X-19929)
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