5-(Methoxycarbonyl)-1-methyl-1H-pyrrole-3-carboxylic acid CAS 67858-49-5
| CAS No. | 67858-49-5 |
| Molecular Formula | C8H9NO4 |
| Molecular Weight | 183.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
5-(Methoxycarbonyl)-1-methyl-1H-pyrrole-3-carboxylic acid (CAS 67858-49-5) is a high-purity analytical reference standard with the molecular formula C8H9NO4 and a molecular weight of 183.16 g/mol.
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, 5-(Methoxycarbonyl)-1-methyl-1H-pyrrole-3-carboxylic acid is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 183.16 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 5-(Methoxycarbonyl)-1-methyl-1H-pyrrole-3-carboxylic acid 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.
Physical & Chemical Properties
| Molecular Formula | C8H9NO4 |
| Molecular Weight | 183.16 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Nitrogen Atoms | 1 |
Related Methoxycarbonyl Standards
- 2-(2-(Methoxycarbonyl)-1H-pyrrol-1-yl)acetic acid (CAS 142219-38-3)
- 5-(methoxycarbonyl)-1-methyl-1H-pyrrole-2-carboxylic acid (CAS 67858-50-8)
- 2-(methoxycarbonyl)phenyl isocyanate (CAS 1793-07-3)
- (4-methoxycarbonyl-5-methyl-2-furyl)boronic acid (CAS 1425057-00-6)
- (5-methoxycarbonyl-4-methyl-2-furyl)boronic acid (CAS 1449310-97-7)
- (5-(Methoxycarbonyl)-1-methyl-1H-pyrazol-3-yl)boronic acid (CAS 2231437-93-5)
- 2-[4-(methoxycarbonyl)-1h-pyrazol-1-yl]acetic acid (CAS 1006348-69-1)
- 4-(Methoxycarbonyl)-5-methyl-3-furoic acid (CAS 111301-76-9)
Recommended Standards
- 5,6-Dimethoxynicotinic acid (CAS 76470-34-3)
- 5-(Ethoxycarbonyl)pyrrole-2-carboxylic Acid (CAS 952569-58-3)
- 5-Ethoxy-2-nitrophenol (CAS 857629-22-2)
- 4-Nitrophenyl-ethyleneglycol (CAS 88057-19-6)
- N-(4-Morpholinophenyl)-2-(quinolin-2-ylthio)acetamide (CAS 561009-79-8)
- 1-(3-Bromophenyl)-3-(sec-butyl)urea (CAS 1147403-98-2)
- 4-((5-Bromo-2-methylphenyl)sulfonyl)morpholine (CAS 330827-25-3)
- (S)-2-Amino-2-cyclohexyl-1-(pyrrolidin-1-yl)ethanone (CAS 171092-49-2)
- 1-(2-Chloro-3-methylphenyl)propan-1-one (CAS 1261822-38-1)
- 1-benzyl-2-methylpyrrolidine-2-carbonitrile (CAS 1310563-79-1)
- 2-(((1-Benzylpiperidin-3-yl)methyl)(methyl)amino)acetic acid (CAS 1353974-26-1)
- 2,4-Dimethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidine (CAS 1951411-46-3)
- H-Arg-Phe-Ala-OH (H-1865.0250) (CAS 67368-27-8)
- Semaglutide Main Chain P29 (CAS 1169630-82-3)
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