5-Nitro-2H-benzo[d]imidazol-2-one CAS 98185-13-8
| CAS No. | 98185-13-8 |
| Molecular Formula | C7H3N3O3 |
| Molecular Weight | 177.12 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 5-Nitro-2H-benzo[d]imidazol-2-one.
5-Nitro-2H-benzo[d]imidazol-2-one (CAS 98185-13-8) is a high-purity analytical reference standard with the molecular formula C7H3N3O3 and a molecular weight of 177.12 g/mol.
Structurally, 5-Nitro-2H-benzo[d]imidazol-2-one (C7H3N3O3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 177.12 g/mol, it falls into the medium-molecular-weight range. 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.
As a certified reference material (CRM), 5-Nitro-2H-benzo[d]imidazol-2-one 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 | C7H3N3O3 |
| Molecular Weight | 177.12 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, water |
| 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.) | 1985 |
| Nitrogen Atoms | 3 |
Related Nitro Standards
- 6-Methyl-5-nitro-7H-pyrrolo[2,3-b]pyridine (CAS 1000340-19-1)
- 5-Nitro-1H-indol-6-amine (CAS 1000343-12-3)
- 4-Methyl-7-nitro-1H-benzo[d]imidazole (CAS 101420-63-7)
- 6-Methyl-4-nitro-1H-benzo[d]imidazole (CAS 101420-64-8)
- 3-Methyl-7-nitro-1H-indazole (CAS 101420-66-0)
- 4-Methyl-5-nitro-1H-indazole (CAS 101420-67-1)
- 4-Methyl-7-nitro-1H-indazole (CAS 104103-06-2)
- 5-Methyl-7-nitro-1H-indazole (CAS 113302-88-8)
Recommended Standards
- 5-Methyl-6-(trifluoromethyl)pyridin-3-ol (CAS 2056110-44-0)
- alpha-(Trifluoromethyl)pyridine-4-methanol (CAS 394203-58-8)
- 5-Methyl-2-(trifluoromethyl)pyridin-4-ol (CAS 220870-77-9)
- O-(3-(trifluoromethyl)phenyl)hydroxylamine (CAS 99907-98-9)
- 2-(Aminomethyl)cyclopropane-1-carbonitrile hydrochloride (CAS 1205544-78-1)
- 2-(2-(2-Chloro-4-fluorophenoxy)ethyl)-1,3-dioxolane (CAS 1226239-43-5)
- Glycine hydroiodide (CAS 7490-96-2)
- 2-Chloro-6-nitroquinoline-4-carbonitrile (CAS 81257-01-4)
- 3,5-Dibromo-2,4-dimethylpyridine (CAS 29976-20-3)
- 1,2-Diphenylprop-2-en-1-one (CAS 4452-11-3)
- N-(cyclopropylmethyl)-6-methylpyridin-3-amine (CAS 1523513-70-3)
- 2-Amino-5H,6H,8H-imidazo[2,1-c][1,4]oxazine-3-carbonitrile (CAS 1510337-54-8)
- Methyl 5-amino-4-cyanopicolinate (CAS 1807004-58-5)
- Biotinyl-Neuropeptide Y (human, rat) trifluoroacetate salt (CAS 213779-13-6)
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