3-(4-(4-Methylbenzyl)-2,3-dioxo-3,4-dihydroquinoxalin-1(2H)-yl)propanoic acid CAS 1243079-97-1
| CAS No. | 1243079-97-1 |
| Molecular Formula | C19H18N2O4 |
| Molecular Weight | 338.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 3-(4-(4-Methylbenzyl)-2,3-dioxo-3,4-dihydroquinoxalin-1(2H)-yl)propanoic acid 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.
3-(4-(4-Methylbenzyl)-2,3-dioxo-3,4-dihydroquinoxalin-1(2H)-yl)propanoic acid (CAS 1243079-97-1), molecular formula C19H18N2O4 and molecular weight 338.36 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-(4-(4-Methylbenzyl)-2,3-dioxo-3,4-dihydroquinoxalin-1(2H)-yl)propanoic acid (C19H18N2O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 338.36 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C19H18N2O4 |
| Molecular Weight | 338.36 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 2 |
Related Methylbenzyl Standards
- 2-((4-Methylbenzyl)thio)benzo[4,5]thieno[3,2-d]pyrimidin-4(3H)-one (CAS 478029-82-2)
- 3-((4-Methylbenzyl)thio)-6-(thiophen-2-yl)-[1,2,4]triazolo[4,3-b]pyridazine (CAS 894048-50-1)
- 6-((2-Methylbenzyl)thio)-3-(thiophen-2-yl)-[1,2,4]triazolo[4,3-b]pyridazine (CAS 868966-88-5)
- 6-((4-Methylbenzyl)thio)-3-(thiophen-2-yl)-[1,2,4]triazolo[4,3-b]pyridazine (CAS 868966-95-4)
- 4-((4-Methylbenzyl)thio)-2-(thiophen-2-yl)pyrazolo[1,5-a]pyrazine (CAS 1040663-10-2)
- 4-((2-Methylbenzyl)thio)-2-(thiophen-2-yl)pyrazolo[1,5-a]pyrazine (CAS 1243085-30-4)
- 2-Methyl-4-((4-methylbenzyl)oxy)-6-((phenylthio)methyl)pyrimidine (CAS 339278-71-6)
- Ethyl 2-(4-(3-methylbenzyl)-3-oxo-3,4-dihydroquinoxalin-2-yl)acetate (CAS 478041-08-6)
Recommended Standards
- 2-Hydroxy-N-(3-methyl-1H-pyrazol-5-yl)-4-oxo-1,6,7,11b-tetrahydro-4H-pyrido[2,1-a]isoquinoline-1-carboxamide (CAS 1240220-46-5)
- Ethyl 2-[4-(4-methoxyphenyl)-1-oxo-1,2-dihydrophthalazin-2-yl]acetate (CAS 127828-84-6)
- 1-(5-Methoxy-4-(3-morpholinopropoxy)-2-nitrophenyl)ethanone (CAS 1219937-96-8)
- N-(2-Aminoethyl)-2-[5-(3-phenoxyphenyl)-2H-tetrazol-2-yl]acetamide (CAS 1305320-68-6)
- N-(2-methoxyphenyl)-4-(pyrimidin-2-yl)piperazine-1-carboxamide (CAS 606118-03-0)
- 3-(Bromodifluoromethyl)-5-methyl-1H-pyrazole (CAS 1884457-49-1)
- Sodium (S)-pyrrolidin-3-olate hydrochloride (CAS 1221243-81-7)
- 2-(piperidin-1-ylcarbonyl)-3,4-dihydro-2H-1,4-benzoxazine (CAS 92292-97-2)
- 8-chloro-2,3-dihydro-1,4-benzodioxine-5-carboxylic acid (CAS 66411-24-3)
- 2-Chloro-N-(3-iodo-phenyl)-acetamide (CAS 2564-01-4)
- 2-Chloro-4-formyl-6-methoxyphenyl 4-methoxybenzoate (CAS 443730-99-2)
- 2-Methylquinolin-8-yl (4-chlorophenyl)carbamate (CAS 14577-79-8)
- tert-Butyl ((S)-1-((S)-2-amino-3-methylbutanoyl)pyrrolidin-3-yl)carbamate (CAS 1401669-04-2)
- D-Lys16-Tirzepatide (CAS CATO-CPTD788918)
Why CATO?
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