Isobutyl octan-2-yl oxalate CAS 959275-41-3
| CAS No. | 959275-41-3 |
| Molecular Formula | C14H26O4 |
| Molecular Weight | 258.35 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.
Isobutyl octan-2-yl oxalate (CAS 959275-41-3), molecular formula C14H26O4 and molecular weight 258.35 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, Isobutyl octan-2-yl oxalate is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 258.35 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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 | C14H26O4 |
| Molecular Weight | 258.35 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1987 |
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- 4-(3-Isobutyl-3H-imidazo[4,5-b]pyridin-2-yl)-1,2,5-oxadiazol-3-amine (CAS 1281716-40-2)
- 2-Isobutyl-4-(trifluoromethyl)-2H-pyrazolo[3,4-b]pyridin-6(7H)-one (CAS 1018163-88-6)
- 2-Isobutyl-7-(trifluoromethyl)-3,4-dihydro-2H-benzo[b][1,4]oxazine (CAS 1807594-65-5)
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Recommended Standards
- Humic acids, potassium salts (CAS 68514-28-3)
- 2-hydroxypropyl (2-isopropyl-5-methylcyclohexyl) carbonate (CAS CATO-C3D-262377)
- Glyceryl 1-Monoundecylenate (CAS 62285-15-8)
- Thiorphan D5 (CAS 2183240-70-0)
- 3-Amino-3-(2-fluorophenyl)-2,2-dimethylpropan-1-ol (CAS 1278662-31-9)
- 4-(3-Pyridinyl)phenylboronic Acid Pinacol Ester (CAS 929203-04-3)
- 6,8-Dibromo-2-methylimidazo[1,2-a]pyrazine (CAS 1208082-91-0)
- 1-(tert-Butyl)-3-cyclopropoxybenzene (CAS 1243368-24-2)
- 4,5,6,7-Tetrahydrobenzo[d]thiazol-2-amine oxalate (CAS 1177343-02-0)
- tert-Butyl 2,5-diazaspiro[3.4]octane-2-carboxylate (CAS 1086398-02-8)
- Ibrutinib Impurity 21 (CAS CATO-C4X-106421)
- (2-Fluoro-6-(trifluoromethyl)phenyl)hydrazine hydrochloride (CAS 959631-13-1)
- 3-((1R,2R,4S)-2-Hydroxy-4-(hydroxymethyl)cyclopentyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7(4H)-one (CAS 50767-25-4)
- Semaglutide impurity 108 (CAS CATO-C4X-2226108)
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