3,4-Diethoxy-3-cyclobutene-1,2-dione CAS 5231-87-8
Purity >95%In StockPharmaceutical Standards
| CAS No. | 5231-87-8 |
| Molecular Formula | C8H10O4 |
| Molecular Weight | 170.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 3,4-Diethoxy-3-cyclobutene-1,2-dione (CAS 5231-87-8) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C8H10O4. Molecular weight: 170.16 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C8H10O4 |
| Molecular Weight | 170.16 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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.) | 1958 |
Related Diethoxy Standards
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- 3,5-Diethoxy-1,2,4-thiadiazole (CAS 4115-25-7)
- 1,1-Diethoxy-3-methylbutan-2-one (CAS 6136-94-3)
- 1,1-diethoxy-2-isothiocyanatoethane (CAS 13733-17-0)
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Recommended Standards
- 4-Acetoxy-2,5-dimethyl-3(2H)-furanone (CAS 4166-20-5)
- 2-(5-Methyl-3-nitro-1H-pyrazol-1-yl)ethan-1-amine (CAS 1004192-84-0)
- Terephthalic-d4 Acid (CAS 60088-54-2)
- 2-Phenyl-2-(pyrrolidin-2-yl)ethan-1-amine (CAS 1034921-33-9)
- 1-(4-Hydroxy-3,5-dimethylphenyl)-2-(phenylsulfonyl)ethan-1-one (CAS 339100-58-2)
- 5-Isothiocyanato-3-(trifluoromethyl)pyridine-2-carbonitrile (CAS 951753-87-0)
- (3--methoxyoxan--4--yl)-methanamine (CAS 1779813-13-6)
- 4-Ethyl-1,2-difluorobenzene (CAS 116850-25-0)
- 2-Chloro-3-(3-(trifluoromethyl)phenyl)quinolin-5-ol (CAS 1263386-30-6)
- Semaglutide Impurity 1(OtBu-Ste-D-γGlu(OtBu)-AEEA-AEEA-OH) (CAS CATO-C4X-22261)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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