2-Fluoro-3-ureidoacrylic acid CAS 76831-42-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 76831-42-0 |
| Molecular Formula | C4H5FN2O3 |
| Molecular Weight | 148.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Fluoro-3-ureidoacrylic acid (CAS 76831-42-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C4H5FN2O3. Molecular weight: 148.09 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C4H5FN2O3 |
| Molecular Weight | 148.09 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 | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1978 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
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- Ethyl 4-fluoro-3-oxobutanoate (CAS 372-37-2)
- methyl 1-fluoro-3-hydroxycyclobutane-1-carboxylate (CAS 2168082-49-1)
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- 4-fluoro-1-methyl-1H-pyrazole-3-carboxylic acid (CAS 1198437-08-9)
- 2-Fluoro-1,5-naphthyridine (CAS 1309379-24-5)
Recommended Standards
- 2,3,6-Trifluoropyridin-4-amine (CAS 63489-55-4)
- 3,4,6-Trifluoropyridin-2-amine (CAS 63489-59-8)
- (5R,6R)-5-Fluoro-6-hydroxydihydropyrimidine-2,4(1H,3H)-dione (CAS 93713-25-8)
- Siramesine (fumarate) (CAS 163630-79-3)
- 2-(4-Fluorophenoxy-d4)-N-methoxy-N-methyl-1-butene (CAS 1346606-16-3)
- (S)-2-Amino-N-isopropyl-N-((1-methylpiperidin-4-yl)methyl)propanamide (CAS 1354016-40-2)
- (1R,4R)-2-Benzyl-2,5-diazabicyclo[2.2.1]heptane (CAS 777821-64-4)
- Crotaline (CAS 315-22-0)
- Methyl 3-oxo-5-phenylpentanoate (CAS 30414-58-5)
- Semaglutide impurity 93 (CAS CATO-C4X-222693)
Why CATO?
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