2-Hydroxy-2,3,3-trimethylbutanoic acid CAS 4026-21-5
| CAS No. | 4026-21-5 |
| Molecular Formula | C7H14O3 |
| Molecular Weight | 146.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2-Hydroxy-2,3,3-trimethylbutanoic acid (C7H14O3) 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 146.18 g/mol, it falls into the low-molecular-weight range.
2-Hydroxy-2,3,3-trimethylbutanoic acid (CAS 4026-21-5), molecular formula C7H14O3 and molecular weight 146.18 g/mol, is a CATO reference standard with documented purity and traceability.
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-Hydroxy-2,3,3-trimethylbutanoic 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 | C7H14O3 |
| Molecular Weight | 146.18 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.) | 1958 |
Related Hydroxy Standards
- 2-Hydroxy-5-methoxyhexan-3-one (CAS 101080-34-6)
- Methyl 4-hydroxy-2,2-dimethylbutanoate (CAS 1087347-28-1)
- 2-Ethyl-3-hydroxy-3-methylbutanoic acid (CAS 109106-81-2)
- 4-Hydroxy-5-methylhexanoic acid (CAS 111581-83-0)
- (R)-2-hydroxy-4,4-dimethylpentanoic acid (CAS 114990-91-9)
- Methyl 2-hydroxy-3,3-dimethylbutanoate (CAS 121129-31-5)
- Ethyl 3-hydroxy-2,2-dimethylpropanoate (CAS 14002-73-4)
- 3-Hydroxy-2-isopropylbutanoic acid (CAS 176712-60-0)
Recommended Standards
- 2-Ethyl-4-methoxybutanoic acid (CAS 35841-42-0)
- 2-Hydroxy-2,4-dimethylpentanoic acid (CAS 3639-23-4)
- 2-Ethyl-4-hydroxy-2-methylbutanoic acid (CAS 88972-41-2)
- 2-Hydroxy-2-methylhexanoic acid (CAS 70908-63-3)
- 5-Amino-2-(difluoromethyl)nicotinic acid (CAS 1806760-66-6)
- Ethyl 3-(2-chloropyrimidin-5-yl)propanoate (CAS 2119988-37-1)
- Methyl 2-(Bromomethyl)nicotinate (CAS 116986-08-4)
- 3,3,3-Trifluoropropyl m-tolyl sulfide (CAS 1713160-59-8)
- 3-(2-(Methylthio)quinolin-1-ium-1-yl)propane-1-sulfonate (CAS 69282-18-4)
- 4-Chloro-2-(2,4-dichlorobenzyl)-6-methyl-1H-pyrrolo[3,4-c]pyridine-1,3(2H)-dione (CAS 261363-78-4)
- Sodium hexadecyl sulfate (CAS 1120-01-0)
- 4-(2-aminoethyl)-2-methoxyaniline (CAS 180149-06-8)
- 2',4',5'-Trifluoroacetophenone (CAS 129322-83-4)
- Characteristic MSH-Tetrapeptide (CAS 4289-02-5)
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