1-(5-Nitro-1H-benzo[d]imidazol-2-yl)ethanone CAS 2735-57-1
| CAS No. | 2735-57-1 |
| Molecular Formula | C9H7N3O3 |
| Molecular Weight | 205.17 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-(5-Nitro-1H-benzo[d]imidazol-2-yl)ethanone.
1-(5-Nitro-1H-benzo[d]imidazol-2-yl)ethanone (CAS 2735-57-1), molecular formula C9H7N3O3 and molecular weight 205.17 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H7N3O3, 1-(5-Nitro-1H-benzo[d]imidazol-2-yl)ethanone 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 205.17 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.
As a certified reference material (CRM), 1-(5-Nitro-1H-benzo[d]imidazol-2-yl)ethanone 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 | C9H7N3O3 |
| Molecular Weight | 205.17 g/mol |
| Appearance | Pale yellow to 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 3 |
Related Nitro Standards
- 6-Methyl-5-nitro-1H-pyrrolo[2,3-b]pyridine-3-carbaldehyde (CAS 1000340-24-8)
- 2-Methyl-6-nitro-4H-chromen-4-one (CAS 103030-08-6)
- 3-(4-Nitro-phenyl)-isoxazol-5-ylamine (CAS 119162-48-0)
- 5-nitro-1H-indole-3-carboxamide (CAS 128200-32-8)
- 1-Methyl-7-nitro-1H-indazole-3-carbaldehyde (CAS 1288989-44-5)
- 1-Methyl-6-nitro-1H-indazole-3-carbaldehyde (CAS 1288989-47-8)
- 1-Methyl-5-nitro-1H-indazole-3-carbaldehyde (CAS 1289059-18-2)
- 1-Methyl-4-nitro-1H-indazole-3-carbaldehyde (CAS 1289176-29-9)
Recommended Standards
- 1-(4-Nitrobenzofuran-2-yl)ethanone (CAS 69603-98-1)
- 1-(5-Nitrobenzofuran-2-yl)ethan-1-one (CAS 23136-39-2)
- 1-(4-Nitro-1H-indazol-1-yl)ethan-1-one (CAS 86009-37-2)
- 1-(6-Nitro-benzofuran-2-yl)ethanone (CAS 36739-81-8)
- 2,5-Dioxopyrrolidin-1-yl 2,2-dimethyl-4-oxo-3,8,11,14,17,20,23,26,29-nonaoxa-5-azadotriacontan-32-oate (CAS 2009357-80-4)
- 1-(1-Ethyl-1h-pyrazol-3-yl)ethan-1-amine (CAS 911788-34-6)
- Methyl 4-(2-chloroethyl)benzoate (CAS 65787-72-6)
- Tert-butyl 3-cyano-2,5-dihydro-1H-pyrrole-1-carboxylate (CAS 1353629-54-5)
- 3-Amino-1-benzyl-5-chloropyrazin-2(1H)-one (CAS 1269528-44-0)
- (S)-1-(3,4-Dimethylphenyl)ethanamine hydrochloride (CAS 1212186-90-7)
- 1-(Benzo[d][1,3]dioxol-5-yl)-3-((3-chloro-4-methylphenyl)amino)propan-1-one (CAS 477334-02-4)
- 2-Phenylbenzo[4,5]imidazo[1,2-a]pyrimidin-4(3H)-one (CAS 109722-50-1)
- 4,4′-[[4-(4-Pyridinyl)phenyl]imino]bis[benzoic acid] (CAS 1620819-71-7)
- Endo-Pro36-Tirzepatide (CAS CATO-CPTD788688)
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