(2R,3S)-2-(4-Ethyl-2,3-dioxopiperazine-1-carboxamido)-3-hydroxybutanoic acid CAS 76610-81-6
| CAS No. | 76610-81-6 |
| Molecular Formula | C11H17N3O6 |
| Molecular Weight | 287.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies (2R,3S)-2-(4-Ethyl-2,3-dioxopiperazine-1-carboxamido)-3-hydroxybutanoic acid (CAS 76610-81-6), a certified reference material (molecular formula C11H17N3O6, MW 287.27 g/mol) for analytical method development and quality control.
(2R,3S)-2-(4-Ethyl-2,3-dioxopiperazine-1-carboxamido)-3-hydroxybutanoic acid (C11H17N3O6) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
Physical & Chemical Properties
| Molecular Formula | C11H17N3O6 |
| Molecular Weight | 287.27 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, 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.) | 1978 |
| Nitrogen Atoms | 3 |
Recommended Standards
- Benzoic acid, 5-(2-amino-3-nitro-4-pyridinyl)-2-methyl-, methyl ester (CAS 1956354-82-7)
- (4,5-Dimethoxy-2-nitrophenyl)(phenyl)methanone (CAS 255896-36-7)
- 3-Hydrazinyl-5,6-dimethyl-1,2,4-triazine (CAS 19542-09-7)
- (7-Nitro-2,3-dihydrobenzo[b][1,4]dioxin-6-yl)(phenyl)methanol (CAS 886493-48-7)
- Methyl 5-fluoro-4-(2-hydroxyethyl)-2-nitrobenzoate (CAS 2763850-49-1)
- 1-(sec-Butyl)-4-(2-chloroethyl)piperazine dihydrochloride (CAS 1176419-62-7)
- 2-methoxythiophene (CAS 16839-97-7)
- Ethyl 1-((5-fluorothiophen-2-yl)methyl)piperidine-4-carboxylate (CAS 1245771-48-5)
- 2-(2-Fluorophenyl)-3-(methylsulfonyl)-1H-pyrrole (CAS 1710472-28-8)
- (S)-tert-Butyl 1-isobutyrylpyrrolidin-3-ylcarbamate (CAS 1286208-44-3)
- 3-(3-(4-Chlorophenyl)-1,2,4-oxadiazol-5-yl)propanoicacid (CAS 30149-93-0)
- methyl 3-(aminomethyl)-4-fluorobenzoate hydrochloride (CAS 1461707-50-5)
- Propargyl Benzyl Ether (CAS 4039-82-1)
- Semaglutide Impurity 146 (CAS 2645421-68-5)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com