1-Methyl-2-(methylsulfinyl)-5-nitro-1H-imidazole CAS 56302-26-2
| CAS No. | 56302-26-2 |
| Molecular Formula | C5H7N3O3S |
| Molecular Weight | 189.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 1-Methyl-2-(methylsulfinyl)-5-nitro-1H-imidazole.
1-Methyl-2-(methylsulfinyl)-5-nitro-1H-imidazole (CAS 56302-26-2), molecular formula C5H7N3O3S and molecular weight 189.19 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C5H7N3O3S, 1-Methyl-2-(methylsulfinyl)-5-nitro-1H-imidazole contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 189.19 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 1-Methyl-2-(methylsulfinyl)-5-nitro-1H-imidazole 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 | C5H7N3O3S |
| Molecular Weight | 189.19 g/mol |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1973 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- 3-(Methylsulfinyl)-6-(methylthio)pyridazine (CAS 40953-90-0)
- 2-(Methylsulfinyl)naphthalene (CAS 35330-76-8)
- 1391054-23-1 2-[4-(Methylsulfinyl)butyl]-1,3-dioxolane (CAS 1391054-23-1)
- 1-(Methylsulfinyl)-2-nitrobenzene (CAS 19199-94-1)
- 1-(Methylsulfinyl)-4-nitrobenzene (CAS 940-12-5)
- 2-(Methylsulfinyl)benzoic acid (CAS 19093-34-6)
- 5-Methyl-2-(methylsulfinyl)-1H-benzo[d]imidazole (CAS 135429-80-0)
- (4-(Methylsulfinyl)phenyl)boronic acid (CAS 166386-48-7)
Recommended Standards
- 1-Acetyl-1H-pyrrole-3-sulfonic acid (CAS 857422-43-6)
- 2-((5-Thioxo-4,5-dihydro-1H-1,2,4-triazol-3-yl)methoxy)acetic acid (CAS 61320-87-4)
- 1-Acetyl-1H-pyrrole-2-sulfonic acid (CAS 857422-45-8)
- 2-(2,4-Dioxothiazolidin-3-yl)propanoic acid (CAS 497076-92-3)
- 2-(3-Fluorophenyl)-6-(trifluoromethyl)nicotinamide (CAS 1214377-84-0)
- Trientine Impurity 1 (CAS 4097-90-9)
- 5-Nitro-3,4-dihydropyrimidin-2(1H)-one (CAS 385437-61-6)
- N-[3-(chloromethyl)-5-quinoxalin-2-yl-phenyl]prop-2-enamide (CAS 2098062-44-1)
- Bosutinib Methanoate (CAS 918639-10-8)
- 2-(Methyl(pyridin-2-yl)amino)ethyl methanesulfonate 2,2,2-trifluoroacetate (CAS 1065331-85-2)
- Tirasemtiv (CAS 1005491-05-3)
- Alphameprodine-d5 (CAS 1346598-91-1)
- 1-(2-Hydroxyphenyl)-3-(2-methoxyphenyl)propane-1,3-dione (CAS 6310-45-8)
- Semaglutide Impurity 149 (CAS CATO-C4X-2226149)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com