1-(4-Methoxybenzyl)-1H-pyrrole-2,5-dione CAS 140480-96-2
| CAS No. | 140480-96-2 |
| Molecular Formula | C12H11NO3 |
| Molecular Weight | 217.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, 1-(4-Methoxybenzyl)-1H-pyrrole-2,5-dione is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 217.22 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies 1-(4-Methoxybenzyl)-1H-pyrrole-2,5-dione (CAS 140480-96-2), a certified reference material (molecular formula C12H11NO3, MW 217.22 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C12H11NO3 |
| Molecular Weight | 217.22 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Nitrogen Atoms | 1 |
Related Methoxybenzyl Standards
- 1-(4-Methoxybenzyl)-1H-1,2,3-triazole-4-carbaldehyde (CAS 853807-54-2)
- 1-(4-Methoxybenzyl)-5,6-dihydropyridin-2(1H)-one (CAS 128773-74-0)
- 1-(2-Methoxybenzyl)-4-methyl-1h-pyrazol-5-amine (CAS 1152505-75-3)
- 1-(3-Methoxybenzyl)-4-methyl-1H-pyrazol-5-amine (CAS 1152526-41-4)
- 1-(4-Methoxybenzyl)-4-methyl-1H-pyrazol-5-amine (CAS 1152526-72-1)
- 1-(3-Methoxybenzyl)-4-methyl-1H-pyrazol-3-amine (CAS 1174832-04-2)
- 1-(3-Methoxybenzyl)-3-methyl-1h-pyrazol-5-amine (CAS 1247408-94-1)
- 1-(2-Methoxybenzyl)-3-methyl-1H-pyrazol-5-amine (CAS 957313-20-1)
Recommended Standards
- 2-Allyl-3-oxoisoindoline-4-carboxylic acid (CAS 1403499-65-9)
- Methyl 3-amino-4-(1h-imidazol-1-yl)benzoate (CAS 141388-49-0)
- (E)-3-(5-Methoxy-1H-indol-3-yl)acrylic acid (CAS 1402072-52-9)
- 1-Benzyl-2-nitro-1,4-dihydropyrazine (CAS 1415564-46-3)
- 3-(Butylsulfonyl)-4,5,6,7-tetrahydrobenzo[b]thiophen-2-amine (CAS 2407479-78-9)
- 2-Methyl-1-(1-methyl-3-(pentan-3-yl)-5-vinyl-1H-pyrazol-4-yl)propan-1-one (CAS 1956382-15-2)
- iso-Butyl Vinyl Ketone (CAS 2177-32-4)
- Methyl 2-Amino-2-methylpropionate (CAS 13257-67-5)
- 5-Bromo-4-methyl-2-(methylsulfinyl)pyrimidine (CAS 1934553-04-4)
- 2-Amino-N-(2-bromophenyl)benzenesulfonamide (CAS 14758-69-1)
- 2-(Azetidin-1-yl)-5-bromoaniline (CAS 1849343-62-9)
- 1-Cyclopropoxy-2-(trifluoromethyl)benzene (CAS 1243459-22-4)
- N-hydroxypiperidine-4-carboxamide (CAS 841203-42-7)
- Semaglutide impurity 267 (CAS CATO-C4X-2226267)
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