2-(3-Ethoxyphenyl)-5-oxotetrahydrofuran-3-carboxylic acid CAS 1399654-03-5
| CAS No. | 1399654-03-5 |
| Molecular Formula | C13H14O5 |
| Molecular Weight | 250.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-(3-Ethoxyphenyl)-5-oxotetrahydrofuran-3-carboxylic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
CATO supplies 2-(3-Ethoxyphenyl)-5-oxotetrahydrofuran-3-carboxylic acid (CAS 1399654-03-5), a certified reference material (molecular formula C13H14O5, MW 250.25 g/mol) for analytical method development and quality control.
Structurally, 2-(3-Ethoxyphenyl)-5-oxotetrahydrofuran-3-carboxylic acid (C13H14O5) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 250.25 g/mol, it falls into the medium-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 | C13H14O5 |
| Molecular Weight | 250.25 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.) | 1991 |
Related Ethoxyphenyl Standards
- Methyl 4-(4-ethoxyphenyl)-2,4-dioxobutanoate (CAS 108783-91-1)
- 2-(4-Ethoxyphenyl)-5-oxotetrahydrofuran-3-carboxylic acid (CAS 1399652-65-3)
- 2-(2-Ethoxyphenyl)-5-oxotetrahydrofuran-3-carboxylic acid (CAS 1399684-44-6)
- 2-(2-(4-Ethoxyphenyl)hydrazono)malonamide (CAS 896061-94-2)
- Methyl 5-(2-ethoxyphenyl)-5-oxopentanoate (CAS 1443309-61-2)
- 5-(3-Ethoxyphenyl)-3-methyl-5-oxovaleric acid (CAS 951892-92-5)
- 5-(4-Ethoxyphenyl)-3-methyl-5-oxopentanoic acid (CAS 951893-16-6)
- 6-(2-Ethoxyphenyl)-6-oxohexanoic acid (CAS 898791-61-2)
Recommended Standards
- (S)-1-((Benzyloxy)carbonyl)pyrazolidine-3-carboxylic acid (CAS 1398752-12-9)
- 3-(6-Isopropoxy-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)propanoic acid (CAS 1401319-31-0)
- 3-Nitro-5-[(piperidin-1-yl)carbonyl]phenol (CAS 1394935-37-5)
- Ethyl 6-nitro-3,4-dihydroisoquinoline-2(1H)-carboxylate (CAS 1415559-40-8)
- (2S,3S,4S,5R,6R)-3,4,5-trihydroxy-6-(((2R,3S,4R)-1,2,4-trihydroxy-5-oxopentan-3-yl)oxy)tetrahydro-2H-pyran-2-carboxylic acid (CAS 475598-94-8)
- 2-(Cyclopropyloxy)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazole (CAS 1416719-95-3)
- (3aR, 6aR)-Hexahydro-pyrrolo[3,4-b]pyrrole-1-carboxylic acid tert-butyl ester oxalate (CAS 1965305-45-6)
- 5-(Piperidin-1-ylmethyl)isoxazole-3-carboxylic acid (CAS 893749-90-1)
- 4-Phenyl-3,4-dihydro-2H-pyrrol-5-amine (CAS 412283-73-9)
- 3-(Cyclohexylmethyl)-4-ethyl-1h-pyrazol-5-amine (CAS 1310930-74-5)
- 2-Bromo-N-(cyanomethyl)benzamide (CAS 143183-01-1)
- Methyl 3-(3-bromo-4-hydroxy-5-methyl-phenyl)propanoate (CAS 1352719-80-2)
- 3-{4-[2-(2-Methoxyphenoxy)acetyl]-1-piperazinyl}-3-oxopropanoic acid (CAS 896419-05-9)
- Semaglutide impurity 195 (CAS CATO-C4X-2226195)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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