1-methyl-4-nitro-1H-pyrrole-2-carbohydrazide CAS 28494-50-0
| CAS No. | 28494-50-0 |
| Molecular Formula | C6H8N4O3 |
| Molecular Weight | 184.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies 1-methyl-4-nitro-1H-pyrrole-2-carbohydrazide (CAS 28494-50-0), a certified reference material (molecular formula C6H8N4O3, MW 184.15 g/mol) for analytical method development and quality control.
Based on its molecular formula C6H8N4O3, 1-methyl-4-nitro-1H-pyrrole-2-carbohydrazide 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 184.15 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 | C6H8N4O3 |
| Molecular Weight | 184.15 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.) | 1965 |
| Nitrogen Atoms | 4 |
Related methyl Standards
- 1-Ethyl-4-nitro-1h-pyrazole-3-carboxamide (CAS 1174906-82-1)
- 2-(3-Methyl-4-nitro-1H-pyrazol-1-yl)acetamide (CAS 1177320-89-6)
- 2-(2-Methyl-4-nitro-1H-imidazol-1-yl)acetamide (CAS 120799-99-7)
- 2-(5-Methyl-4-nitro-1H-pyrazol-1-yl)acetamide (CAS 1245771-67-8)
- 1-Ethyl-4-nitro-1H-pyrazole-5-carboxamide (CAS 1384856-20-5)
- 1-(5-Nitro-2-pyridinyl)-1,2-ethanediol (CAS 1419604-66-2)
- (S)-2-Nitro-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazin-6-amine (CAS 187235-66-1)
- 1-Ethyl-3-nitro-1H-pyrazole-4-carboxamide (CAS 61716-99-2)
Recommended Standards
- 1-Oxo-1,3-dihydroisobenzofuran-5,6-dicarbonitrile (CAS 65975-31-7)
- 1-Ethyl-1H-pyrazole-3,4-dicarboxylic acid (CAS 52942-75-3)
- 2-((6-Methyl-4-oxo-4H-pyran-3-yl)oxy)acetic acid (CAS 66313-25-5)
- 1-Ethyl-1H-imidazole-4,5-dicarboxylic acid (CAS 86263-61-8)
- 4-(Cyclobutylmethyl)piperidin-4-amine dihydrochloride (CAS 1779130-03-8)
- 2-(2-(((4-Chlorophenyl)thio)methyl)phenoxy)acetohydrazide (CAS 175202-85-4)
- N'-{4-[5-(trifluoromethyl)-1,2,4-oxadiazol-3-yl]benzoyl}benzohydrazide (CAS 1803605-08-4)
- Methyl 3-nitro-2-[(phenylsulfonyl)methyl]benzenecarboxylate (CAS 860786-93-2)
- N-(4-Chlorobenzyl)formamide (CAS 86386-67-6)
- 3,3-Dimethyl-2-methylene-butyraldehyde (CAS 69060-18-0)
- 1-(Pyrazin-2-yl)-1H-imidazole-4-carbohydrazide (CAS 1355227-02-9)
- 7-Bromo-4-chloroquinolin-3-amine (CAS 1897737-56-2)
- (E)-Ethyl 5-(benzyloxy)-6-bromo-2-(3-ethoxy-3-oxoprop-1-en-1-yl)-1-methyl-1H-indole-3-carboxylate 1704066-46-5 (CAS 1704066-46-5)
- Neuropeptide Y (1-24) amide (human, rat) (CAS 131448-51-6)
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