5-amino-3-fluoropyrazin-2(1H)-one CAS 500148-37-8
| CAS No. | 500148-37-8 |
| Molecular Formula | C4H4FN3O |
| Molecular Weight | 129.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 129.09 g/mol gives 5-amino-3-fluoropyrazin-2(1H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-amino-3-fluoropyrazin-2(1H)-one (CAS 500148-37-8) is a high-purity analytical reference standard with the molecular formula C4H4FN3O and a molecular weight of 129.09 g/mol.
Based on its molecular formula C4H4FN3O, 5-amino-3-fluoropyrazin-2(1H)-one contains an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 129.09 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 5-amino-3-fluoropyrazin-2(1H)-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C4H4FN3O |
| Molecular Weight | 129.09 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1984 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
Related amino Standards
- 4-Amino-5-fluoropyrimidin-2-ol (CAS 117969-88-7)
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- 2-Amino-6-fluoropyrimidin-4-ol (CAS 2253-05-6)
- (R)-3-Amino-1,1,1-trifluoropropan-2-ol (CAS 1217730-60-3)
- (S)-3-Amino-1,1,1-trifluoropropan-2-ol (CAS 160706-71-8)
- 2-Amino-3,3,3-trifluoro-1-propanol (CAS 162684-85-7)
- (R)-2-Amino-3,3,3-trifluoro-1-propanol (CAS 174075-83-3)
- (2S)-2-Amino-3,3,3-trifluoro-1-propanol (CAS 561323-79-3)
Recommended Standards
- 2-Cyano-1-fluorocyclopropane-1-carboxylic acid (CAS 2168031-08-9)
- 5-Fluoro-4-hydroxypyridin-2(1H)-one (CAS 41935-70-0)
- 6-Fluorocytosine (CAS 2193-47-7)
- 4-Fluoropyridine-2,6-diol (CAS 1803732-72-0)
- 4-Chloro-6-(phenylthio)pyrimidin-2-amine (CAS 339016-06-7)
- Methyl 3-Bromobutanoate (CAS 21249-59-2)
- 2-[8-(benzyloxy)imidazo[1,2-a]pyridin-2-yl]ethan-1-amine dihydrochloride (CAS 2060006-67-7)
- 2-(2-Bromophenyl)quinazoline (CAS 1514933-73-3)
- 4-(carboxymethoxy)-1-phenyl-1H-pyrazole-3-carboxylic acid (CAS 1423026-99-6)
- Ethyl 2-((1-ethyl-5,7-dimethyl-4-oxo-1,4-dihydropyrido[2,3-d]pyrimidin-2-yl)thio)acetate (CAS 937599-92-3)
- 5-((3-Nitrophenoxy)methyl)furan-2-carbohydrazide (CAS 886496-17-9)
- Norpterosin C (CAS 64890-70-6)
- (E)-2-(allylamino)-3-((allylimino)methyl)-9-methyl-4H-pyrido[1,2-a]pyrimidin-4-one (CAS 469879-22-9)
- Semaglutide impurity 99 (CAS CATO-C4X-222699)
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