Monoisobutyl Phthalate-d4 CAS 1219802-26-2
| CAS No. | 1219802-26-2 |
| Molecular Formula | - |
| Molecular Weight | 226.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 226.26 g/mol gives Monoisobutyl Phthalate-d4 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Monoisobutyl Phthalate-d4 (CAS 1219802-26-2), molecular formula C12H10D4O4 and molecular weight 226.26 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of Monoisobutyl Phthalate-d4 (C12H10D4O4) is characterized by deuterium isotope labeling, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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.
CATO manufactures Monoisobutyl Phthalate-d4 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C12H10D4O4 |
| Molecular Weight | 226.26 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
Related Monoisobutyl Standards
Recommended Standards
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- Monobutyl Phthalate-d4 (CAS 478954-81-3)
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- 6-Ethyl 3-methyl 7-(cyclopropylamino)thieno[3,2-b]pyridine-3,6-dicarboxylate (CAS 2177264-84-3)
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