2-(2,5-Dioxo-2,5-dihydro-1h-pyrrol-1-yl)-5-hydroxybenzoic acid CAS 1306080-20-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1306080-20-5 |
| Molecular Formula | C11H7NO5 |
| Molecular Weight | 233.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2-(2,5-Dioxo-2,5-dihydro-1h-pyrrol-1-yl)-5-hydroxybenzoic acid (CAS 1306080-20-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C11H7NO5. Molecular weight: 233.18 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C11H7NO5 |
| Molecular Weight | 233.18 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, 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 1 |
Related Dioxo Standards
- 4-(3,5-Dioxo-4,5-dihydro-1,2,4-triazin-2(3H)-yl)benzoic acid (CAS 18510-65-1)
- 4-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)-2-hydroxybenzoic acid (CAS 19232-43-0)
- 3,5-dioxo-2-phenyl-2,3,4,5-tetrahydro-1,2,4-triazine-6-carboxylic acid (CAS 4315-71-3)
- 2-(5-methyl-1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)propanoic acid (CAS 1087784-06-2)
- 1-Ethyl-2,4-dioxo-1,2,3,4-tetrahydroquinoline-3-carboxylic acid (CAS 146828-47-9)
- 4-(3-Methyl-2,5-dioxo-pyrrolidin-1-yl)-benzoic acid (CAS 157928-79-5)
- 2-(5-Ethyl-2,3-dioxo-2,3-dihydro-1h-indol-1-yl)acetic acid (CAS 19612-79-4)
- 2-(1,3-Dioxo-1,3-dihydro-2H-isoindol-2-yl)-butanoic acid (CAS 35340-62-6)
Recommended Standards
- 1-(2-Nitrophenyl)imidazole-4-carboxylic acid (CAS 1272840-24-0)
- 5-(3-Nitrophenyl)furan-2-carboxylic acid (CAS 13130-13-7)
- 3-(Furan-2-yl)-5-nitrobenzoic acid (CAS 1261953-22-3)
- 2-(2-Fluorophenyl)-N-methylacetamide (CAS 612487-22-6)
- 6-(Methanesulfonylmethyl)-N-(prop-2-en-1-yl)-2-(pyridin-2-yl)pyrimidin-4-amine (CAS 339279-12-8)
- Valproate impurity 88 (CAS CATO-C4X-116688)
- 1-Docosanol (CAS 661-19-8)
- 3-(4-Fluorophenyl)-5,6-dihydro-4H-pyrrolo[3,4-d]isoxazole (CAS 1421312-05-1)
- 2-Nonenoic Acid (CAS 3760-11-0)
- T-Peptide (CAS 2022956-62-1)
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 13829788188 / jacky.chen@cato-chem.com