2-Formyl-6-methoxy-3-methyl-benzoic acid CAS 945981-91-9
| CAS No. | 945981-91-9 |
| Molecular Formula | C10H10O4 |
| Molecular Weight | 194.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2-Formyl-6-methoxy-3-methyl-benzoic acid is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 2-Formyl-6-methoxy-3-methyl-benzoic acid (CAS 945981-91-9), a certified reference material (molecular formula C10H10O4, MW 194.18 g/mol) for analytical method development and quality control.
Structurally, 2-Formyl-6-methoxy-3-methyl-benzoic acid (C10H10O4) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 194.18 g/mol, it falls into the medium-molecular-weight range. 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.
As a certified reference material (CRM), 2-Formyl-6-methoxy-3-methyl-benzoic acid 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 | C10H10O4 |
| Molecular Weight | 194.18 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
Related Formyl Standards
- Methyl 2-(4-formyl-3-hydroxyphenyl)acetate (CAS 1257397-40-2)
- Ethyl 4-formyl-3-hydroxybenzoate (CAS 126200-19-9)
- 2-(4-Formyl-3-methoxyphenyl)acetic acid (CAS 1378804-98-8)
- 2-(3-Formyl-5-methoxyphenyl)acetic acid (CAS 1393581-89-9)
- 3-Formyl-4-methoxyphenyl acetate (CAS 1394024-25-9)
- Methyl 3-formyl-4-hydroxy-5-methylbenzoate (CAS 1411993-59-3)
- Methyl 3-Formyl-4-methoxybenzoate (CAS 145742-55-8)
- Methyl 3-Formyl-2-methoxybenzoate (CAS 186312-96-9)
Recommended Standards
- 2-Ethoxy-5-formylbenzoic acid (CAS 848606-43-9)
- 2-Hydroxy-4-oxo-4-phenylbutanoic acid (CAS 65245-10-5)
- 2-Acetoxy-6-methylbenzoic acid (CAS 31490-86-5)
- 2-Hydroxy-5-(2-oxopropyl)benzoic acid (CAS 319914-21-1)
- CRAMP-18 (mouse) (CAS 256639-17-5)
- 5-(4-Bromophenyl)-1,2,3-trifluorobenzene (CAS 178820-38-7)
- 2-Hydroxy-5-iodo-4,6-dimethylpyridine-3-carboxamide (CAS 2209112-00-3)
- Ethyl 5,5-dimethyl-2-oxo-2,5-dihydrofuran-3-carboxylate (CAS 67498-38-8)
- 1-chloro-4-(2-isocyanatoethyl)benzene (CAS 55121-08-9)
- 1-(tert-Butoxycarbonyl)-4-(ethoxycarbonyl)pyrrolidine-3-carboxylic acid (CAS 1309251-07-7)
- 4-Methyl-1H-pyrazole-1-acetic Acid (CAS 956364-44-6)
- N,N-Dicyclohexyl-1H-imidazole-1-sulfonamide (CAS 1349716-81-9)
- 1-Chloro-4-ethoxy-2-nitrobenzene (CAS 89979-06-6)
- Proinsulin C-Peptide (55-89) (human) (CAS 11097-48-6)
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