3-Hydroxy-2-nitrobenzonitrile CAS 129298-23-3
| CAS No. | 129298-23-3 |
| Molecular Formula | C7H4N2O3 |
| Molecular Weight | 164.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 3-Hydroxy-2-nitrobenzonitrile 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.
CATO supplies 3-Hydroxy-2-nitrobenzonitrile (CAS 129298-23-3), a certified reference material (molecular formula C7H4N2O3, MW 164.12 g/mol) for analytical method development and quality control.
Based on its molecular formula C7H4N2O3, 3-Hydroxy-2-nitrobenzonitrile 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 164.12 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).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C7H4N2O3 |
| Molecular Weight | 164.12 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.) | 1993 |
| Nitrogen Atoms | 2 |
Related Hydroxy Standards
- 4-Hydroxy-2-nitrobenzonitrile (CAS 1093203-96-3)
- 5-Hydroxy-2-nitrobenzonitrile (CAS 13589-74-7)
- 3-Hydroxy-4-nitrobenzonitrile (CAS 18495-15-3)
- 2-Hydroxy-1H-pyrrolo[3,4-c]pyridine-1,3(2H)-dione (CAS 23439-88-5)
- 2-Hydroxy-3-nitrobenzonitrile (CAS 28177-79-9)
- 2-Hydroxy-4-nitrobenzonitrile (CAS 39835-14-8)
- 2-Hydroxy-5-nitrobenzonitrile (CAS 39835-09-1)
- 2-Hydroxy-6-nitrobenzonitrile (CAS 72106-43-5)
Recommended Standards
- [1,2,4]Triazolo[4,3-b]pyridazine-7-carboxylic acid (CAS 127478-29-9)
- 7-Nitrobenzo[d]oxazole (CAS 125533-84-8)
- 1H-pyrazolo[3,4-d]pyrimidine-6-carboxylic acid (CAS 1368179-23-0)
- N-(5-nitropyridin-2-yl)cyanamide (CAS 1255147-10-4)
- 3-(4-Fluorobenzyl)-4-hydroxy-1-(2-(pyridin-2-yl)ethyl)pyridin-2(1H)-one (CAS 478247-89-1)
- N,N-Diallyl-2-(methylamino)acetamide hydrochloride (CAS 1219972-27-6)
- (3Z)-4-{[4-(benzyloxy)phenyl]amino}-3-phenylbut-3-en-2-one (CAS 1164552-66-2)
- 2-amino-3-[3-(aminomethyl)phenyl]propanoic acid dihydrochloride (CAS 63999-89-3)
- (S)-2-methylazetidine ((1R,4R)-7,7-dimethyl-2-oxobicyclo[2.2.1]Heptan-1-yl)methanesulfonate (CAS 1877329-24-2)
- 8-(3,5-Difluorophenyl)-8-oxooctanoic acid (CAS 898765-85-0)
- 3,5-Dichloro-2-phenylpyridine (CAS 10469-01-9)
- N-((Diethylamino)methyl)acetamide (CAS 85413-89-4)
- 3-Fluoro-6-methoxypicolinonitrile (CAS 1314967-31-1)
- Des-Ser34-Gly33Tirzepatide (CAS CATO-CPTD788941)
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