3639-21-2 2-Ethyl-2-hydroxy-butyric acid 2-ethyl-2-hydroxybutanoic acid CHEBI:165404 CAS 3639-21-2
| CAS No. | 3639-21-2 |
| Molecular Formula | C6H12O3 |
| Molecular Weight | 132.16 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.
CATO supplies 3639-21-2 2-Ethyl-2-hydroxy-butyric acid 2-ethyl-2-hydroxybutanoic acid CHEBI:165404 (CAS 3639-21-2), a certified reference material (molecular formula C6H12O3, MW 132.16 g/mol) for analytical method development and quality control.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, 3639-21-2 2-Ethyl-2-hydroxy-butyric acid 2-ethyl-2-hydroxybutanoic acid CHEBI:165404 is typically white to off-white liquid. Its solid-state physicochemical attributes — including a molecular weight of 132.16 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
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 | C6H12O3 |
| Molecular Weight | 132.16 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 Ethyl Standards
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Recommended Standards
- 2-(2-cyanoethyl)pyridine;3-(2-Pyridinyl)propanenitrile;3-pyridin-2-ylpropanenitrile 2-Cyanoethylpyridine 35549-47-4 A25700 (CAS 35549-47-4)
- 5436-21-5 0IZ188B2ZA 4,4-Dimethoxy-2-butanone Acetoacetaldehyde, 1-(dimethyl acetal) (6CI,7CI,8CI) 2-Butanone, 4,4-dimethoxy- 4,4-Dimethoxybutanone Acetoacetaldehyde dimethyl acetal Acetoacetaldehyde 1-(dimethyl acetal) Acetylacetaldehyddimethylacetal Acetylacetaldehyde dimethyl acetal AI3-22760 1,1-Dimethoxy-3-butanone EINECS 226-605-1 FEMA No. 3381 Formylacetone dimethyl acetal 3-Ketobutyraldehyde dimethyl acetal 3-Ketobutyraldehyde dimethylacetal NSC 21538 NSC 59721 3-Oxobutanal dimethyl acetal beta-Oxobutyraldehyde dimethyl acetal 3-Oxobutyraldehyde dimethyl acetal UNII-0IZ188B2ZA (CAS 5436-21-5)
- 2-[2-(2-methylphenoxy)phenoxy]-n,n-di(propan-2-yl)propan-1-amine 3176-66-7 AR-1D6519 (CAS 3176-66-7)
- 5857-45-4 3-methylimidazo[1,2-a]pyridine DTXSID30481500 (CAS 5857-45-4)
- 2-(1-Aminopropyl)pyrimidin-4-amine (CAS 1339676-50-4)
- 6-(tert-Butoxycarbonyl)nicotinic acid (CAS 317356-13-1)
- 3-((2-Cyano-4-nitrophenyl)amino)pyrazine-2,5-dicarbonitrile (CAS 918410-41-0)
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- 2-Acetyl-3-amino-5,5-dimethylcyclohex-2-en-1-one (CAS 23014-42-8)
- 69098-14-2 8306AF Cl2Co.H2O Cobalt(II) chloride hydrate (CAS 69098-14-2)
- 2'-Deoxyadenosine 3',5'-Dibenzoate (CAS 20838-22-6)
- tert-Butyl 3-(((S)-2-amino-3-methylbutanamido)methyl)piperidine-1-carboxylate (CAS 1354028-77-5)
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