Monohydroxyisononyl Phthalate CAS 898544-10-0
| CAS No. | 898544-10-0 |
| Molecular Formula | C17H23O5 |
| Molecular Weight | 307.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Monohydroxyisononyl Phthalate (CAS 898544-10-0), molecular formula C17H23O5 and molecular weight 307.36 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a steroid core, a hydroxyl group, an ether linkage, Monohydroxyisononyl Phthalate is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 307.36 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
Physical & Chemical Properties
| Molecular Formula | C17H23O5 |
| Molecular Weight | 307.36 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
Recommended Standards
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- 2-Chloro-4-fluoro-3-(4-fluorophenyl)propiophenone (CAS 898768-62-2)
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- 2-(7-Bromo-1-ethyl-1H-imidazo[4,5-c]pyridin-2-yl)acetonitrile (CAS 842143-97-9)
- (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-(5-fluoro-2-methoxyphenyl)acetic acid (CAS 2348334-86-9)
- Glucagon-like peptide 2 (CAS 89750-15-2)
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