4-(4-Methoxyphenyl)-2,4-dioxobutanoic acid CAS 55558-77-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 55558-77-5 |
| Molecular Formula | C11H10O5 |
| Molecular Weight | 222.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-(4-Methoxyphenyl)-2,4-dioxobutanoic acid (CAS 55558-77-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C11H10O5. Molecular weight: 222.19 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C11H10O5 |
| Molecular Weight | 222.19 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, ethanol, DMSO |
| 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 Methoxyphenyl Standards
- 4-(3-Methoxyphenyl)-2,4-dioxobutanoic acid (CAS 105356-66-9)
- (2E)-2-(4-Methoxyphenyl)but-2-enedioic acid (CAS 36004-30-5)
- 4-(2-Methoxyphenyl)-2,4-dioxobutanoic acid (CAS 77664-74-5)
- 3-(4-Methoxyphenyl)-5-nitro-4,5-dihydroisoxazole (CAS 61428-15-7)
- Methyl 4-(4-methoxyphenyl)-3-oxobutanoate (CAS 100117-84-8)
- 5-(2-Methoxyphenyl)-5-oxovaleric acid (CAS 105253-92-7)
- 4-(2-Methoxyphenyl)-2-methyl-4-oxobutanoic acid (CAS 105254-01-1)
- Methyl 4-(3-methoxyphenyl)-4-oxobutanoate (CAS 105254-39-5)
Recommended Standards
- 4-(Benzo[d][1,3]dioxol-5-yl)-4-oxobutanoic acid (CAS 41764-07-2)
- 3-Phenoxypent-2-enedioic acid (CAS 87619-13-4)
- 4-(Difluoromethoxy)-1-naphthaldehyde (CAS 842173-16-4)
- Methyl (2E)-3-[4-(2-amino-2-oxoethoxy)-3-ethoxyphenyl]acrylate (CAS 696646-07-8)
- 1,3-Bis(4,4-dimethyl-2-oxazolin-2-yl)benzene (CAS 64682-37-7)
- 6-(4-Ethylphenyl)-5H-pyrrolo[3,4-b]pyridine-5,7(6H)-dione (CAS 126104-21-0)
- (5S,8S,10aR)-5-((tert-Butoxycarbonyl)amino)-3-(3-methylbutanoyl)-6-oxodecahydropyrrolo[1,2-a][1,5]diazocine-8-carboxylic acid (CAS 1290536-78-5)
- Ethyl3-(3,4-dimethoxyphenyl)propionate (CAS 63307-08-4)
- 4-Chloroanilidophosphoryldichloride (CAS 6971-73-9)
- β-Asp9-Tirzepatide (CAS CATO-CPTD788931)
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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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com