methyl 3-hydroxy-2-methylbenzoate CAS 55289-05-9
| CAS No. | 55289-05-9 |
| Molecular Formula | C9H16O3 |
| Molecular Weight | 172.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
methyl 3-hydroxy-2-methylbenzoate (CAS 55289-05-9), molecular formula C9H16O3 and molecular weight 172.22 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, methyl 3-hydroxy-2-methylbenzoate (C9H16O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 172.22 g/mol, it falls into the medium-molecular-weight range.
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.
Physical & Chemical Properties
| Molecular Formula | C9H16O3 |
| Molecular Weight | 172.22 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1972 |
Related methyl Standards
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- 3-Hydroxy-1-(4-methylpiperazin-1-yl)propan-1-one (CAS 118779-37-6)
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Recommended Standards
- methyl 3,3-dimethyl-5-oxohexanoate (CAS 68208-76-4)
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- Methyl 3-sec-butyl-3-methylglycidate (CAS 72569-66-5)
- Rel-(2R,6S)-2-ethyl-6-methylpiperidine (CAS 794480-30-1)
- PffBT4T-2OD / PCE11 (CAS 1644164-62-4)
- 2-(2-Bromo-4-chlorophenoxy)ethan-1-amine (CAS 951914-92-4)
- 2-(4-Amino-2-oxopyrimidin-1(2H)-yl)acetic acid (CAS 50615-65-1)
- 6-Chloro-4-(difluoromethyl)-5-methoxynicotinonitrile (CAS 1806926-82-8)
- 4-Iodo-1-methyl-3-(pentan-3-yl)-5-vinyl-1H-pyrazole (CAS 1956366-23-6)
- 2-((1,3,4-Thiadiazol-2-yl)amino)-5-benzylidenethiazol-4(5H)-one (CAS 89335-26-2)
- 5-((3-(3-Fluoro-4-methylphenyl)-1-phenyl-1H-pyrazol-4-yl)methylene)-3-((tetrahydrofuran-2-yl)methyl)-2-thioxothiazolidin-4-one (CAS 623936-03-8)
- 1-(P-tolylthio)pentan-2-one (CAS 23692-71-9)
- Acetyl Tetrapeptide-5 (CAS 820959-17-9)
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