1142199-90-3 (4E)-3-(Chloromethyl)-4-(2,3,4-trimethoxybenzylidene)isoxazol-5(4H)-one MFCD12027833 CAS 1142199-90-3
Purity 97%+In StockPharmaceutical Standards
| 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
1142199-90-3 (4E)-3-(Chloromethyl)-4-(2,3,4-trimethoxybenzylidene)isoxazol-5(4H)-one MFCD12027833 (CAS 1142199-90-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C14H14ClNO5. Molecular weight: 311.72 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
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)
- 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)
- (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)
- Liraglutide(13-31)TFA Salt (CAS CATO-C4X-19929)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com