3-(2-Methoxyphenyl)isonicotinic acid CAS 100004-81-7
| CAS No. | 100004-81-7 |
| Molecular Formula | C13H11NO3 |
| Molecular Weight | 229.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
3-(2-Methoxyphenyl)isonicotinic acid (CAS 100004-81-7), molecular formula C13H11NO3 and molecular weight 229.23 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-(2-Methoxyphenyl)isonicotinic acid (C13H11NO3) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 229.23 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 | C13H11NO3 |
| Molecular Weight | 229.23 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 1 |
Related Methoxyphenyl Standards
- 3-(3-Methoxyphenyl)isonicotinic acid (CAS 100004-80-6)
- 2-(3-Methoxyphenyl)isonicotinic acid (CAS 100004-95-3)
- 3-(4-Methoxyphenyl)picolinic acid (CAS 1195901-52-0)
- 5-(2-Methoxyphenyl)picolinic acid (CAS 1225539-72-9)
- 2-(4-Methoxyphenyl)nicotinic acid (CAS 1225539-80-9)
- 5-(3-Methoxyphenyl)picolinic acid (CAS 1226060-19-0)
- 2-(2-Methoxyphenyl)isonicotinic acid (CAS 1226152-40-4)
- 4-(4-Methoxyphenyl)picolinic acid (CAS 1255635-74-5)
Recommended Standards
- Omarigliptin Impurity 19 (CAS CATO-C4X-114719)
- 4-Benzylamino-3-nitropyridine (CAS 100306-70-5)
- 63249-99-0 1,3,7-Triaza-5-phosphabicyclo[3.3.1]nonane, 3,7-diacetyl- DTXSID40478880 (CAS 63249-99-0)
- 4-(Benzyloxy)pyridine-2-carboxylic acid (CAS 100727-49-9)
- 1-(2-Fluorophenyl)-1H-pyrrole (CAS 89096-77-5)
- 4-Bromo-6-ethoxypyrimidine (CAS 1209458-31-0)
- 2-(4-(4-Nitrophenyl)piperazin-1-yl)ethanol (CAS 5521-38-0)
- (R)-8-bromo-6-chlorochroman-4-amine (CAS 1221639-12-8)
- 2-(2-Aminopyridin-4-yl)acetic acid dihydrochloride (CAS 2177266-06-5)
- 2-(2,2-Bis((trifluoromethyl)sulfonyl)vinyl)furan (CAS 58510-71-7)
- 4,6,7-Trifluorobenzo[d]thiazol-2-amine (CAS 942473-95-2)
- N-(3-Bromophenyl)methanesulfonamide (CAS 83922-51-4)
- Edoxaban Impurity 36 (1S,2R,4S) (CAS 480452-36-6)
- Semaglutide Impurity 121 X Sodium Salt (CAS CATO-C4X-2226121)
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