5-Oxopiperidine-2-carboxylic Acid Hydrochloride CAS 99980-20-8
| CAS No. | 99980-20-8 |
| Molecular Formula | C6H9NO3 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, 5-Oxopiperidine-2-carboxylic Acid Hydrochloride is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 179.60 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
5-Oxopiperidine-2-carboxylic Acid Hydrochloride (CAS 99980-20-8) is a high-purity analytical reference standard with the molecular formula C6H9NO3HCl and a molecular weight of 179.60 g/mol.
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.
Physical & Chemical Properties
| Molecular Formula | C6H9NO3 HCl |
| Molecular Weight | 179.60 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Oxopiperidine Standards
- Methyl 2-oxopiperidine-3-carboxylate (CAS 106118-94-9)
- Methyl 4-Oxopiperidine-3-Carboxylate (CAS 108554-34-3)
- Methyl 6-oxopiperidine-2-carboxylate (CAS 111479-60-8)
- (S)-4-oxopiperidine-2-carboxylic acid hydrochloride (CAS 116049-23-1)
- 1-methyl-4-oxopiperidine-3-carbaldehyde (CAS 1194575-07-9)
- 1-Benzyl-4-oxopiperidine-2-carboxylic acid (CAS 1218093-72-1)
- Methyl 3-oxopiperidine-2-carboxylate hydrochloride (CAS 1219141-01-1)
- ethyl 3-oxopiperidine-2-carboxylate;hydrochloride (CAS 1253789-62-6)
Recommended Standards
- 2-(Difluoromethyl)-3-iodo-6-methoxypyridine-5-sulfonamide (CAS 1806017-68-4)
- Methyl 1-benzyl-4-(2-methoxyphenyl)pyrrolidine-3-carboxylate (CAS 438492-37-6)
- 1-(Heptan-2-ylamino)propan-2-ol (CAS 500555-57-7)
- 3-Amino-6-cyano-5-methoxypyrazine-2-carboxylic acid (CAS 157224-90-3)
- 5-(2-Methoxy-phenoxymethyl)-4-methyl-4H-[1,2,4]triazole-3-thiol (CAS 485773-69-1)
- 4-Methoxy-7-methyl-6-nitro-1H-indole (CAS 1167056-08-7)
- [5-Chloro-2-(propylsulfonyl)phenyl]amine (CAS 728029-60-5)
- 2-[(3-methylbutane)sulfonyl]acetic acid (CAS 1016760-04-5)
- Potassium (S)-4-amino-4-carboxybutanoate (CAS 19473-49-5)
- Semaglutide Impurity 165 (CAS CATO-C4X-2226165)
Why CATO?
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