Methyl 3-Hydroxy-2-methylpropanoate CAS 42998-03-8
| CAS No. | 42998-03-8 |
| Molecular Formula | C5H10O3 |
| Molecular Weight | 118.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Methyl 3-Hydroxy-2-methylpropanoate 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.
Methyl 3-Hydroxy-2-methylpropanoate (CAS 42998-03-8), molecular formula C5H10O3 and molecular weight 118.13 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Methyl 3-Hydroxy-2-methylpropanoate (C5H10O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 1.0, corresponding to approximately 1 ring(s) or double-bond equivalent(s). With a molecular weight of 118.13 g/mol, it falls into the low-molecular-weight range.
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 | C5H10O3 |
| Molecular Weight | 118.13 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1969 |
Related Methyl Standards
- N’-hydroxy-2-methoxypropanimidamide (CAS 1251430-35-9)
- 3-Hydroxy-2-(hydroxymethyl)-2-methylpropanal (CAS 18516-18-2)
- (R)-2-Hydroxy-2-methylbutanoic acid (CAS 37505-02-5)
- (S)-2-Hydroxy-2-methylbutanoic acid (CAS 37505-07-0)
- 2-Hydroxy-2-methylpropanehydrazide (CAS 42596-46-3)
- 3-Hydroxy-2-ethylpropionic acid (CAS 4374-62-3)
- 4-Hydroxy-2-methylbutanoic acid (CAS 81381-89-7)
- 4-Hydroxy-3-methylbutanoic acid (CAS 77220-86-1)
Recommended Standards
- Methyl 2-hydroxybutanoate (CAS 29674-47-3)
- Methyl Propyl Carbonate (CAS 56525-42-9)
- Methyl 2,3-diaminopropanoate (CAS 20610-20-2)
- Moxifloxacin Impurity 50 (CAS 36983-58-1)
- 2-Amino-2-(3,4-dimethylphenyl)propan-1-ol (CAS 1182889-37-7)
- (S)-2-((R)-3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-2-oxopyrrolidin-1-yl)-4-methylpentanoic acid (CAS 145484-45-3)
- 2-Phenyl-2-(trifluoromethyl)oxirane (CAS 75590-22-6)
- 4-Bromo-2-(chloromethyl)-6-methylpyridine hydrochloride (CAS 1779544-23-8)
- 2-Amino-3-methyl-N-(3-pyridinylmethyl)butanamidehydrochloride (CAS 1236257-03-6)
- 1-(2,4-Dimethylthiazol-5-yl)-3-ethoxyprop-2-en-1-one (CAS 1344886-13-0)
- 1-(1-Methyl-1H-imidazol-2-ylmethyl)-piperazine, 98% (CAS 880361-71-7)
- 3-Methoxy-4-methylpyridine-2-carboxaldehyde (CAS 123506-69-4)
- 3-Azabicyclo[4.1.0]heptane-2-carboxylic acid hydrochloride (CAS 1888587-45-8)
- D-[Arg]30-Semaglutide (CAS CATO-C4X-222653)
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