1-Methyl-3-nitro-1H-pyrrole-2-carboxylic acid CAS 89607-20-5
| CAS No. | 89607-20-5 |
| Molecular Formula | C6H6N2O4 |
| Molecular Weight | 170.12 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-Methyl-3-nitro-1H-pyrrole-2-carboxylic acid is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 170.12 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).
1-Methyl-3-nitro-1H-pyrrole-2-carboxylic acid (CAS 89607-20-5), molecular formula C6H6N2O4 and molecular weight 170.12 g/mol, is a CATO reference standard with documented purity and traceability.
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.
CATO manufactures 1-Methyl-3-nitro-1H-pyrrole-2-carboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C6H6N2O4 |
| Molecular Weight | 170.12 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, water |
| 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.) | 1982 |
| Nitrogen Atoms | 2 |
Related Methyl Standards
- Methyl 4-nitro-1H-pyrrole-3-carboxylate (CAS 1195901-57-5)
- Methyl 4-nitro-1H-pyrrole-2-carboxylate (CAS 13138-74-4)
- 1-Methyl-5-nitro-1H-pyrrole-3-carboxylic acid (CAS 149621-69-2)
- 1-Methyl-5-nitro-2-pyrrolecarboxylic acid (CAS 1873-12-7)
- 2-(3-Nitro-1H-pyrrol-1-yl)acetic acid (CAS 250647-52-0)
- Methyl 3-nitro-1H-pyrrole-2-carboxylate (CAS 858449-17-9)
- 2-(3-Nitro-1h-pyrazol-1-yl)acetamide (CAS 1003011-27-5)
- 2-(4-Nitro-1h-imidazol-1-yl)acetamide (CAS 120399-00-0)
Recommended Standards
- 1-Methyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylic acid (CAS 705-36-2)
- 2-((2-Oxopyrazin-1(2H)-yl)oxy)acetic acid (CAS 761347-92-6)
- 1-Methyl-1H-pyrazole-3,5-dicarboxylic acid (CAS 75092-39-6)
- 2-((6-Oxo-1,6-dihydropyridazin-3-yl)oxy)acetic acid (CAS 34173-61-0)
- 2-Chloro-5-(1,2,3,6-tetrahydropyridin-4-yl)pyridine hydrochloride (CAS 259522-44-6)
- 4-Bromo-2-(cyclopropylsulfonyl)-1-methoxybenzene (CAS 2411494-91-0)
- 1,1′-Binaphthalene, 5,5′,6,6′,7,7′,8,8′-octahydro-2,2′-bis(methoxymethoxy)-, (1R)- (CAS 791616-66-5)
- 9,10-Bis(4-(bromomethyl)phenyl)anthracene (CAS 941703-52-2)
- 2,6-Dimethyl-3,6-dihydro-2H-pyran-4-yl trifluoromethanesulfonate (CAS 195817-69-7)
- 3-(Pyrimidin-2-yl)-1,2,4-thiadiazol-5-amine (CAS 138588-24-6)
- 5-Chloro-2-methyl-D-phenylalanine (CAS 1269833-11-5)
- 10-Shogaol (CAS 36752-54-2)
- 2-(3-Methylphenyl)-2-oxoacetic acid (CAS 61560-94-9)
- His-Cyclic-Semaglutide (CAS CATO-C4X-2226182)
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