7-Nitro-3H-imidazo[4,5-c]pyridin-4-ol CAS 82722-74-5
| CAS No. | 82722-74-5 |
| Molecular Formula | C6H4N4O3 |
| Molecular Weight | 180.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 180.12 g/mol gives 7-Nitro-3H-imidazo[4,5-c]pyridin-4-ol distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
7-Nitro-3H-imidazo[4,5-c]pyridin-4-ol (CAS 82722-74-5), molecular formula C6H4N4O3 and molecular weight 180.12 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C6H4N4O3, 7-Nitro-3H-imidazo[4,5-c]pyridin-4-ol 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 180.12 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 7-Nitro-3H-imidazo[4,5-c]pyridin-4-ol 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 | C6H4N4O3 |
| Molecular Weight | 180.12 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |
| Nitrogen Atoms | 4 |
Related Nitro Standards
- 5-Nitro-1h,2h,3h-pyrazolo[3,4-b]pyridin-3-one (CAS 1186609-73-3)
- 7-Nitro-3H-imidazo[4,5-b]pyridine 4-oxide (CAS 14432-11-2)
- 2-Nitro-1H-purin-6-amine (CAS 501950-35-2)
- 5-Nitro-1H,2H,3H-imidazo[4,5-b]pyridin-2-one (CAS 22902-67-6)
- 5-Nitro-1h-1,2,3-benzotriazol-1-ol (CAS 64352-55-2)
- 5-Nitro-2,3-dihydro-1,3-benzoxazol-2-one (CAS 3889-13-2)
- 5-nitro-3,7-dihydropyrrolo[2,3-d]pyrimidin-4-one (CAS 22277-00-5)
- 6-Nitro-[1,2,4]triazolo[1,5-a]pyrimidin-2-amine (CAS 80773-01-9)
Recommended Standards
- 7-Nitro-1H-imidazo[4,5-c]pyridin-4(5H)-one (CAS 306272-95-7)
- 7-Nitro-3H-pyrrolo[3,2-d]pyrimidin-4(5H)-one (CAS 93587-26-9)
- 7-nitro-1,3-dihydro-2H-imidazo[4,5-c]pyridin-2-one (CAS 61719-60-6)
- 7-Nitro-4H-imidazo[4,5-b]pyridin-4-ol (CAS 959046-59-4)
- (2R,4R)-Ethyl 4-hydroxy-5-oxopyrrolidine-2-carboxylate (CAS 455334-20-0)
- 2-((4-Nitro-2-(trifluoromethyl)phenyl)amino)ethan-1-ol (CAS 56223-89-3)
- (R)-2,2-dibromo-1-(2,4-dichlorophenyl)ethan-1-ol (CAS CATO-C3D-262969)
- Methyl 2,2-dimethyl-3-phenylpropanoate (CAS 14248-22-7)
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