4-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)-3-methylbenzoic acid CAS 777920-31-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 777920-31-7 |
| Molecular Formula | C12H9NO4 |
| Molecular Weight | 231.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)-3-methylbenzoic acid (CAS 777920-31-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H9NO4. Molecular weight: 231.20 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H9NO4 |
| Molecular Weight | 231.20 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 1 |
Related dioxo Standards
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- Methyl 2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)benzoate (CAS 19077-61-3)
- 2-((1,4-Dioxo-1,4-dihydronaphthalen-2-yl)amino)acetic acid (CAS 57413-99-7)
- 2-(2,5-Dioxo-2,5-dihydro-1h-pyrrol-1-yl)-2-phenylacetic acid (CAS 777917-71-2)
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- 2-(4-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)phenyl)acetic acid (CAS 91574-45-7)
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Recommended Standards
- 3-Amino-3-(3-(difluoromethoxy)phenyl)propanoic acid (CAS 773123-55-0)
- 4-(2-Nitrophenoxy)phenol (CAS 54582-58-0)
- 3-Acetyl-2-hydroxyquinoline-4-carboxylic acid (CAS 84443-15-2)
- Methyl (2e)-3-(1-benzofuran-2-yl)prop-2-enoate (CAS 256439-83-5)
- 3-Amino-5-methoxy-3,4-dihydroquinolin-2(1H)-one hydrochloride (CAS 639478-57-2)
- Ethyl 3-Amino-4-methylbenzoate (CAS 41191-92-8)
- Monosodium mono(4,5-dihydroxynaphthalene-2,7-disulfonate) (CAS 3888-44-6)
- methyl 8-oxo-2,3,7,13-tetrazatricyclo[7.4.0.0²⁶]trideca-1(13),3,5,9,11-pentaene-4-carboxylate (CAS 2649318-76-1)
- N-(3-Hydroxy-2-(methylamino)phenyl)methanesulfonamide (CAS 1243441-13-5)
- Nonapeptide-1 (CAS 158563-45-2)
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