L-erythro-4-Fluoroisoglutamine CAS 374560-28-8
| CAS No. | 374560-28-8 |
| Molecular Formula | C5H9FN2O3 |
| Molecular Weight | 164.13 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.
L-erythro-4-Fluoroisoglutamine (CAS 374560-28-8), molecular formula C5H9FN2O3 and molecular weight 164.13 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C5H9FN2O3, L-erythro-4-Fluoroisoglutamine contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 164.13 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 | C5H9FN2O3 |
| Molecular Weight | 164.13 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.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related L Standards
- DL-erythro-4-Fluoroglutamine (CAS 238418-67-2)
- DL-erythro-4-Fluoroisoglutamine (CAS 883497-53-8)
- rac erythro-3-Aminononan-2-ol (CAS 51714-10-4)
- DL-erythro-β-Phenylserine (CAS 2584-74-9)
- Erythro-D-Phenylserine (CAS 7352-06-9)
- L-Erythro-β-Phenylserine (CAS 32946-42-2)
- DL-erythro-2-isopropylÂamino-1-(4-methylÂphenylÂ)-1-propanÂol hydrochloride (CAS 13549-60-5)
- DL-erythro-Droxidopa (CAS 16322-99-9)
Recommended Standards
- DL-threo-4-Fluoroisoglutamine (CAS 261623-81-8)
- Sofosbuvir Impurity 68 (CAS 879551-04-9)
- DL-threo-4-Fluoroglutamine (CAS 238418-69-4)
- 8-fluoroimidazo[1,2-a]pyridine-2-carbaldehyde (CAS 1020033-80-0)
- H-Arg-Arg-Arg-OH acetate salt (CAS 6418-87-7)
- 6-Chloro-3-methylisoquinolin-5-amine (CAS 919994-53-9)
- 5-(Azetidin-3-yl)-2-(trifluoromethyl)pyridine (CAS 1260846-05-6)
- 3-(3,4-Dichlorophenyl)-4,5-dihydro-1,2-oxazole-5-carboxylic acid (CAS 109888-66-6)
- 2-Chloro-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-3-ol (CAS 2377612-01-4)
- 2-(5-ethylpyridin-2-yl)acetic acid hydrochloride (CAS 1909316-96-6)
- (R,R)-3-Methyl-3,6-diaza-bicyclo[3.2.0]heptane (CAS 1419075-96-9)
- 2C-Hydroxymethyl-2-3:5-6-di-O-isopropylidene-D-talono-1-4-lactone (CAS 864846-17-3)
- 7-fluoro-1-oxo-3,4-dihydro-1H-2-benzopyran-3-carboxylic acid (CAS 1601177-71-2)
- D-Ala28-Tirzepatide (CAS CATO-CPTD788906)
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