2-Fluoro-3-hydroxybutanedioic acid CAS 685-65-4
| CAS No. | 685-65-4 |
| Molecular Formula | C4H5FO5 |
| Molecular Weight | 152.08 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 2-Fluoro-3-hydroxybutanedioic acid.
2-Fluoro-3-hydroxybutanedioic acid (CAS 685-65-4), molecular formula C4H5FO5 and molecular weight 152.08 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C4H5FO5, 2-Fluoro-3-hydroxybutanedioic acid contains a carbohydrate-derived structure, fluorine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 152.08 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.
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 | C4H5FO5 |
| Molecular Weight | 152.08 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | F-containing |
Related Fluoro Standards
- 7-Fluoro-6-hydroxybenzofuran (CAS 1429789-84-3)
- 4-Fluoro-a-oxo-benzeneacetaldehyde (CAS 403-32-7)
- 5-Fluoro-1(3h)-isobenzofuranone (CAS 700-85-6)
- 7-Fluoro-1,2-dihydroindazol-3-one (CAS 1000342-29-9)
- 5-Fluoro-1H-indazol-6-ol (CAS 1082041-61-9)
- 6-Fluoro-1H-pyrrolo[3,2-b]pyridin-7-ol (CAS 1190310-32-7)
- 7-Fluoro-1H-pyrrolo[2,3-c]pyridin-2(3H)-one (CAS 1190310-52-1)
- 4-Fluoro-1H-pyrrolo[2,3-c]pyridin-2(3H)-one (CAS 1190310-68-9)
Recommended Standards
- 1-Methyl-5-(trifluoromethyl)tetrazole (CAS 697-94-9)
- 3-Amino-5-(trifluoromethyl)-4H-1,2,4-triazole (CAS 25979-00-4)
- 5-(Trifluoromethyl)-1,3-oxazol-2-amine 5-(trifluoromethyl)oxazol-2-amine 714972-00-6 A9363 (CAS 714972-00-6)
- Dimethyl (2-oxoethyl)phosphonate (CAS 10038-65-0)
- 2-Bromo-N-cyclobutyl-4-methylaniline (CAS 1247907-94-3)
- Dimethyl Pyridine-2,5-Dicarboxylate (CAS 881-86-7)
- 1-(3-Amino-5-chloro-2-hydroxyphenyl)ethanone (CAS 21312-85-6)
- 4-Hydroxy-7-methylthieno[3,2-d]pyrimidine (CAS 175137-13-0)
- (S)-2-(3-(Benzyl(isopropyl)amino)piperidin-1-yl)acetic acid (CAS 1354001-18-5)
- 2-Acetylcyclohexanone (CAS 874-23-7)
- 2-(3,3-Difluoropyrrolidin-1-yl)-6-nitrobenzaldehyde 1779119-26-4 (CAS 1779119-26-4)
- 4-(3-Hydroxypiperidin-1-yl)-benzonitrile (CAS 186651-01-4)
- N-(3-Ethyl-4-methyl-2-phenylisoxazolidin-5-yl)-N-phenylhydroxylamine (CAS 77425-84-4)
- Semaglutide Impurity 184 (CAS CATO-C4X-2226184)
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