3-Methoxy-5-methylbenzonitrile CAS 473923-98-7
| CAS No. | 473923-98-7 |
| Molecular Formula | C9H9NO |
| Molecular Weight | 147.17 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 3-Methoxy-5-methylbenzonitrile.
3-Methoxy-5-methylbenzonitrile (CAS 473923-98-7), molecular formula C9H9NO and molecular weight 147.17 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H9NO, 3-Methoxy-5-methylbenzonitrile contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 147.17 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), 3-Methoxy-5-methylbenzonitrile 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 | C9H9NO |
| Molecular Weight | 147.17 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
Related Methoxy Standards
- 2-Methoxy-5-(prop-2-yn-1-yl)pyridine (CAS 1196153-78-2)
- 3-Methoxy-2-methyl-2-(methylamino)propanoic acid (CAS 1248351-51-0)
- 5-Methoxy-2-(prop-2-yn-1-yl)pyridine (CAS 1260672-53-4)
- 2-Methoxy-2-phenylacetonitrile (CAS 13031-13-5)
- 3-Methoxy-1H-indole (CAS 16712-55-3)
- 1-Methoxy-1H-indole (CAS 54698-11-2)
- 2-Methoxy-3-methylbenzonitrile (CAS 53078-68-5)
- 2-Methoxy-4-methylbenzonitrile (CAS 53078-69-6)
Recommended Standards
- 3-Methoxy-2-methylbenzonitrile (CAS 77533-17-6)
- 3-Methyl-1-(prop-2-yn-1-yl)-1,2-dihydropyridin-2-one (CAS 461661-66-5)
- 3-Hydroxy-DL-leucine (CAS 6645-45-0)
- 3-Methyl-3H-indol-3-ol (CAS 216101-54-1)
- Palladium, [1,3-bis[2,6-bis(1-methylethyl)phenyl]-1,3-dihydro-2H-imidazol-2-ylidene]dichloro[1-(1-methylethyl)-1H-imidazole-κN3]-, (SP-4-1)- (CAS 1537172-99-8)
- Methyl 2-cyano-2-(9-(pyridin-2-yl)-6-oxaspiro[4.5]decan-9-yl)acetate (CAS 1401031-36-4)
- 2-(1-Isopropyl-1H-pyrazol-3-yl)ethan-1-ol (CAS 177940-21-5)
- (R)-3-((2-hydroxybutyl)amino)thietane 1,1-dioxide (CAS 1846752-19-9)
- sodium 1,1,1-trifluoro-4-oxo-4-pyridin-2-ylbut-2-en-2-olate (CAS 1006961-48-3)
- Br-PEG6-CH2COOtBu (CAS 297162-48-2)
- 2-Ethyl-5-trifluoromethyl-2 H -pyrazole-3-carboxylic acid hydrazide (CAS 312534-14-8)
- Palbociclib Impurity 136 (CAS CATO-C4X-1125136)
- 4-[1'-(3'-Azido-1',2'-propanediol)]carbazole (CAS 1253696-17-1)
- Macrophage Inhibitory Peptide (CAS 41961-56-2)
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