4-(2,3-Dihydro-benzo[1,4]dioxin-6-yl)-4-oxo-butyric acid CAS 54557-81-2
| CAS No. | 54557-81-2 |
| Molecular Formula | C12H12O5 |
| Molecular Weight | 236.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 4-(2,3-Dihydro-benzo[1,4]dioxin-6-yl)-4-oxo-butyric 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.
4-(2,3-Dihydro-benzo[1,4]dioxin-6-yl)-4-oxo-butyric acid (CAS 54557-81-2) is a high-purity analytical reference standard with the molecular formula C12H12O5 and a molecular weight of 236.22 g/mol.
4-(2,3-Dihydro-benzo[1,4]dioxin-6-yl)-4-oxo-butyric acid (C12H12O5) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C12H12O5 |
| Molecular Weight | 236.22 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
Related Dihydro Standards
- Methyl 3,4-dihydro-8-methoxy-2-oxo-2H-chromene-3-carboxylate, 97% (CAS 1333150-97-2)
- 3,4-Dihydro-8-hydroxy-3-methyl-1-oxo-1H-2-benzopyran-7-carboxylic Acid Methyl Ester (CAS 83769-04-4)
- 5-(2,3-Dihydro-1,4-benzodioxin-2-yl)-1,3,4-oxadiazole-2(3H)-thione (CAS 120423-45-2)
- 5-(5,6-Dihydro-4h-cyclopenta[b]thiophen-2-yl)-1,2,4-oxadiazole-3-carboxylic acid (CAS 1343173-43-2)
- 1,4-Dihydro-4-oxo-2-thioxo-3(2H)-quinazolineacetic acid (CAS 17785-54-5)
- 1-(2,3-Dihydro-1,4-benzodioxin-6-yl)-1H-tetrazole-5-thiol (CAS 460362-91-8)
- 3-(4-Oxo-4,5-dihydro-thiazol-2-ylamino)-benzoic acid (CAS 432013-04-2)
- 5-(2,3-Dihydro-1,4-benzodioxin-6-yl)-1,3,4-oxadiazole-2-thiol (CAS 928710-56-9)
Recommended Standards
- 4-((4-Carbamoylphenyl)amino)-4-oxobutanoic acid (CAS 303214-83-7)
- 4-(2-Acetoxyacetyl)phenyl acetate (CAS 42528-99-4)
- 4-((3-Carbamoylphenyl)amino)-4-oxobutanoic acid (CAS 74182-38-0)
- 4-(2-Methyl-4-nitrophenyl)morpholin-3-one (CAS 845729-40-0)
- G2013 (CAS 1986-15-8)
- (R)-Pyrrolidine-2-carbonitrile HCl (CAS 675602-84-3)
- Allyl palmitate (CAS 43211-62-7)
- 2-methoxy-1-(1,3-thiazol-2-yl)ethan-1-ol (CAS 1211507-83-3)
- 1-(5-Bromo-3-pyridyl)piperazine (CAS 412347-30-9)
- 1194374-12-3 C8H10N2O4 Ethyl 2-(3-hydroxy-2-oxopyrazin-1(2H)-yl)acetate X9383 (CAS 1194374-12-3)
- 4,7-Dimethyl-5-nitro-1H-benzo[d]imidazole (CAS 170918-29-3)
- Estratetraenone Methyl Ether (CAS 6030-83-7)
- 1-Amino-2-(thiophen-3-yl)propan-2-ol (CAS 1334148-40-1)
- Semaglutide impurity 93 (CAS CATO-C4X-222693)
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 18665070610 / Nicole.chen@cato-chem.com