5-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)benzene-1,3-dicarboxylic acid CAS 55738-70-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 55738-70-0 |
| Molecular Formula | C12H7NO6 |
| Molecular Weight | 261.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)benzene-1,3-dicarboxylic acid (CAS 55738-70-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H7NO6. Molecular weight: 261.19 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H7NO6 |
| Molecular Weight | 261.19 g/mol |
| Appearance | Pale yellow to 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 4-Nitro-5-oxocyclohexa-1,3-dien-1-yl pyridazine-4-carboxylate (CAS 50617-60-2)
- N2,N6-dimethyl-4-(trifluoromethyl)pyridine-2,6-dicarboxamide (CAS 1092344-40-5)
- 2-Hydrazinocarbonyl-N-(3-trifluoromethyl-phenyl)-acetamide (CAS 1147236-06-3)
- Suc-Ala-Ala-Pro-Leu-pNA (CAS 70968-04-6)
- 5H-pyrrolo[3,2-d]pyrimidine-2,4-diamine, hydrochloride (CAS 934524-55-7)
- Methyl 2-chloro-5-(1H-tetrazol-1-yl)benzoate (CAS 190270-11-2)
- 2-Methyl-1-(3-(methylthio)phenyl)propan-2-ol (CAS 1314978-21-6)
- 2-(2-Bromo-4-methyl-phenylsulfanyl)-ethanol (CAS 90561-11-8)
- 2-((3-Ethyl-4-oxo-7-phenyl-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)-N-(3-(trifluoromethyl)phenyl)acetamide (CAS 1040662-34-7)
- Semaglutide Impurity 157 (x TFA Salt) (CAS CATO-C4X-2226157)
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