7-Hydroxy-5-oxo-1,2,3,5-tetrahydroindolizine-8-carboxylic acid CAS 116993-46-5
| CAS No. | 116993-46-5 |
| Molecular Formula | C9H9NO4 |
| Molecular Weight | 195.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 7-Hydroxy-5-oxo-1,2,3,5-tetrahydroindolizine-8-carboxylic acid.
7-Hydroxy-5-oxo-1,2,3,5-tetrahydroindolizine-8-carboxylic acid (CAS 116993-46-5), molecular formula C9H9NO4 and molecular weight 195.17 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 7-Hydroxy-5-oxo-1,2,3,5-tetrahydroindolizine-8-carboxylic acid (C9H9NO4) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 195.17 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 7-Hydroxy-5-oxo-1,2,3,5-tetrahydroindolizine-8-carboxylic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C9H9NO4 |
| Molecular Weight | 195.17 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 1 |
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Recommended Standards
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- Epigenetic Multiple Ligand (CAS 1020399-52-3)
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- Tert-butyl 3-aminopyrrolidine-1-carboxylate hydrochloride (CAS 1188263-70-8)
- 1-((1-Methyl-1H-pyrrol-2-yl)methyl)azepane (CAS 177721-86-7)
- 5-Phenylcinnoline (CAS 1823836-19-6)
- Ethyl 6-(dimethylamino)-2-methylnicotinate (CAS 211762-40-2)
- Ethyl 5-(2-{[6-tert-butyl-3-cyano-4-(trifluoromethyl)pyridin-2-yl]sulfanyl}acetamido)-4-cyano-3-methylthiophene-2-carboxylate (CAS 625377-43-7)
- 3-(4-Chlorophenyl)-7-hydroxy-2-methyl-4H-chromen-4-one (CAS 314243-91-9)
- Semaglutide impurity 91 (CAS CATO-C4X-222691)
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