Dihydrofuro[2,3-b]furan-2,5(3H,6aH)-dione CAS 42977-09-3
| CAS No. | 42977-09-3 |
| Molecular Formula | C6H6O4 |
| Molecular Weight | 142.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 142.11 g/mol gives Dihydrofuro[2,3-b]furan-2,5(3H,6aH)-dione distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Dihydrofuro[2,3-b]furan-2,5(3H,6aH)-dione (CAS 42977-09-3), molecular formula C6H6O4 and molecular weight 142.11 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C6H6O4, Dihydrofuro[2,3-b]furan-2,5(3H,6aH)-dione contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 142.11 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C6H6O4 |
| Molecular Weight | 142.11 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1969 |
Related Dihydrofuro Standards
- 1,3-dihydrofuro[3,4-c]pyridin-4-amine (CAS 1648750-12-2)
- 5,7-Dihydrofuro[3,4-d]pyridazin-1-ol (CAS 10554-14-0)
- 5,7-Dihydrofuro[3,4-d]pyrimidin-4(3H)-one (CAS 1555437-69-8)
- 5,6-Dihydrofuro[2,3-d]pyrimidin-4-ol (CAS 16285-50-0)
- 2,3-Dihydrofuro[3,2-b]pyridine-5-carbonitrile (CAS 193605-61-7)
- 2,3-Dihydrofuro[2,3-c]pyridine-5-carbonitrile (CAS 193605-62-8)
- 2,3-Dihydrofuro[2,3-c]pyridine-7-carbonitrile (CAS 193605-63-9)
- 2,3-Dihydrofuro[3,2-b]pyridin-3-ol (CAS 107096-01-5)
Recommended Standards
- 6-Oxo-1,4,5,6-tetrahydropyrimidine-4-carboxylic acid (CAS 99417-78-4)
- Ethyl (E)-2-cyano-2-(hydroxyimino)acetate (CAS 56503-39-0)
- 6-Oxo-1,4,5,6-tetrahydropyridazine-3-carboxylic Acid (CAS 27372-38-9)
- Ethyl 1,2,4-Oxadiazole-3-carboxylate (CAS 39512-59-9)
- 2,2,3,3,4,4,5,5,6,6-Decafluorohexan-1-ol (CAS 60838-60-0)
- 1-(3-(4-(5,5-Dimethyl-1,3,2-dioxaborinan-2-yl)phenyl)pyrrolidin-1-yl)ethanone (CAS 1467060-23-6)
- 3-Chloro-5-(2-methylphenyl)phenol (CAS 1261908-32-0)
- 5-(Benzoylamino)-3-(1-methylethyl)-1,2,3-oxadiazolium, inner salt (CAS 89169-99-3)
- 1-(2-Bromobenzyl)piperazine Hydrochloride (CAS 1063613-12-6)
- O-Desmethyl Astemizole (CAS 73736-50-2)
- 1-Chloro-3-(ethoxymethyl)benzene (CAS 68578-50-7)
- 2-MEthyl-6-pyrrolidin-3-ylpyrimidin-4-ol dihydrochloride (CAS 1858256-81-1)
- 5-(4-Iodophenyl)thiophene-2-carbaldehyde (CAS 887987-37-3)
- Liraglutide(8-31)TFA Salt (CAS CATO-C4X-19922)
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