Methyl 3-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)benzoate CAS 40349-50-6
| CAS No. | 40349-50-6 |
| Molecular Formula | C12H9NO4 |
| Molecular Weight | 231.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Methyl 3-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)benzoate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Methyl 3-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)benzoate (CAS 40349-50-6), molecular formula C12H9NO4 and molecular weight 231.20 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C12H9NO4, Methyl 3-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)benzoate contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 231.20 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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.) | 1968 |
| Nitrogen Atoms | 1 |
Related Methyl Standards
- 1,2-dioxo-1,2,5,6-tetrahydro-4H-pyrrolo[3,2,1-ij]quinoline-8-carboxylic acid (CAS 1384429-51-9)
- 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)
- 2-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)phenyl acetate (CAS 20627-81-0)
- 2-(3-Methyl-2,5-dioxo-2,5-dihydro-1h-pyrrol-1-yl)benzoic acid (CAS 553636-63-8)
- 2-(4-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)phenyl)acetic acid (CAS 91574-45-7)
- 3-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)-4-methylbenzoic acid (CAS 718623-72-4)
Recommended Standards
- Methyl 2-(1,3-dioxoisoindolin-2-yl)acrylate (CAS 26878-24-0)
- Methyl 3-amino-1,4-dioxo-1,4-dihydronaphthalene-2-carboxylate (CAS 99336-62-6)
- methyl 1-nitronaphthalene-2-carboxylate (CAS 78508-71-1)
- Methyl 4-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)benzoate (CAS 40349-49-3)
- 2,6-Bis((S)-4-ethyl-4,5-dihydrooxazol-2-yl)pyridine (CAS 128249-71-8)
- (5-Chloro-2-iodophenyl)methanol (CAS 82386-90-1)
- 2-Bromo-6-(trifluoromethyl)pyridine-4-acetic acid (CAS 1227577-84-5)
- 3-tert-Butoxycarbonyl-1,1-dioxo-1,3-thiazolidine-4-carboxylic acid methyl ester (CAS 1613292-55-9)
- Tert-butyl 2-(2-(hydroxymethyl)piperidin-1-yl)acetate (CAS 791642-61-0)
- 1,2,4-Trifluoro-3-isothiocyanatobenzene (CAS 362690-54-8)
- 2-(Azetidin-3-ylthio)-1-methyl-1H-imidazole (CAS 1341975-16-3)
- Sodium alkyl (butyl and dibutyl) naphthalene sulfonate (CAS 25417-20-3)
- Ethyl 3-bromo-5-chlorobenzoate (CAS 1095274-55-7)
- Tau Peptide (294-305) (human) trifluoroacetate salt (CAS 1428135-29-8)
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