| CAS No. | 899809-64-4 |
| Molecular Formula | C9H11NO4 |
| Molecular Weight | 197.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 197.19 g/mol gives (E)-3-(5-Nitrocyclohex-1-en-1-yl)acrylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(E)-3-(5-Nitrocyclohex-1-en-1-yl)acrylic acid (CAS 899809-64-4), molecular formula C9H11NO4 and molecular weight 197.19 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (E)-3-(5-Nitrocyclohex-1-en-1-yl)acrylic acid (C9H11NO4) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 197.19 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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.
| Molecular Formula | C9H11NO4 |
| Molecular Weight | 197.19 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |