5-Hydroxy-3-methylpyrazin-2(1H)-one CAS 102694-22-4
| CAS No. | 102694-22-4 |
| Molecular Formula | C5H6N2O2 |
| Molecular Weight | 126.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 5-Hydroxy-3-methylpyrazin-2(1H)-one (C5H6N2O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 126.11 g/mol, it falls into the low-molecular-weight range. 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).
5-Hydroxy-3-methylpyrazin-2(1H)-one (CAS 102694-22-4), molecular formula C5H6N2O2 and molecular weight 126.11 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 5-Hydroxy-3-methylpyrazin-2(1H)-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C5H6N2O2 |
| Molecular Weight | 126.11 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 2 |
Related Hydroxy Standards
- 1-Hydroxy-3-methylpyrazin-2(1H)-one (CAS 105985-13-5)
- N-Hydroxy-N-(pyridin-4-yl)hydroxylamine (CAS 148216-77-7)
- 3-hydroxy-1-methyl-1H-pyrazole-4-carbaldehyde (CAS 1503601-15-7)
- 4-Hydroxy-5-methylcyclopent-4-ene-1,3-dione (CAS 1696-34-0)
- 6-Hydroxy-5-methylpyrimidin-4(3H)-one (CAS 18337-63-8)
- 1-(1-Hydroxy-1H-pyrazol-4-yl)ethanone (CAS 548767-39-1)
- 1-(2-Hydroxy-1H-imidazol-5-yl)ethan-1-one (CAS 92635-44-4)
- 2-Hydroxy-6-methyl-4H-pyran-4-one (CAS 70254-61-4)
Recommended Standards
- 6-(Hydroxymethyl)pyrimidin-4(3H)-one (CAS 100959-93-1)
- 3-Pyrazoleacetic Acid (CAS 102732-63-8)
- 2-Methyloxazole-4-carboxamide (CAS 100959-91-9)
- 5-Methyl-1H-pyrazole-4-carboxylic acid (CAS 1035225-22-9)
- tert-Butyl (R)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrrolidine-1-carboxylate (CAS 2250336-11-7)
- N-(4-Chlorophenyl)-N-methoxy-N-[(methoxyimino)methyl]urea (CAS 251096-55-6)
- Fmoc-norArg(Boc)2-OH (CAS 206183-06-4)
- N,N-Dimethyl-1-(thiazol-2-yl)ethanamine (CAS 1417793-59-9)
- 3-(5-(3-(Benzylamino)-2-cyano-3-oxoprop-1-en-1-yl)furan-2-yl)benzoic acid (CAS 306312-89-0)
- 3-(6-Chloropyridin-3-yl)propanoic acid hydrochloride (CAS 1427379-78-9)
- 2-[(carboxymethyl)dimethylazaniumyl]acetate (CAS 30163-90-7)
- 3-Methoxy-4-methylisoxazole-5-carboxylic acid (CAS 1780322-20-4)
- 4-Formyl Loratadine (CAS 1076198-16-7)
- Semaglutide Impurity 3 (CAS CATO-C4X-22263)
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