6-Hydroxy-2-imino-5-methyl-2,3-dihydropyrimidin-4(1h)-one CAS 6627-65-2
| CAS No. | 6627-65-2 |
| Molecular Formula | C5H7N3O2 |
| Molecular Weight | 141.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C5H7N3O2, 6-Hydroxy-2-imino-5-methyl-2,3-dihydropyrimidin-4(1h)-one contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 141.13 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).
6-Hydroxy-2-imino-5-methyl-2,3-dihydropyrimidin-4(1h)-one (CAS 6627-65-2), molecular formula C5H7N3O2 and molecular weight 141.13 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.
As a certified reference material (CRM), 6-Hydroxy-2-imino-5-methyl-2,3-dihydropyrimidin-4(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 | C5H7N3O2 |
| Molecular Weight | 141.13 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.) | 1958 |
| Nitrogen Atoms | 3 |
Related Hydroxy Standards
- N’-hydroxy-1-methyl-1H-1,2,3-triazole-4-carboximidamide (CAS 1862274-39-2)
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- 2-Hydroxy-N-methyl-1H-imidazole-1-carboxamide (CAS 61224-25-7)
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Recommended Standards
- 6-Amino-5-methoxypyrimidin-4(1H)-one (CAS 5193-97-5)
- 6-Oxo-1,4,5,6-tetrahydropyridazine-3-carboxamide (CAS 98142-90-6)
- 6-Amino-5-methoxypyrimidin-2(1H)-one (CAS 31458-47-6)
- Ethyl 1H-1,2,3-Triazole-1-carboxylate (CAS 35847-32-6)
- 2-Propylhexanoic Acid-d7 (CAS 1246818-01-8)
- Quinbolone (1.0mg/ml in Acetonitrile) (CAS 2487-63-0)
- 2,6-Dichloro-9-methyl-9H-purine (CAS 2382-10-7)
- 7,7-Difluoro-2-(methylthio)-6,7-dihydro-3H-cyclopenta[d]pyrimidin-4(5H)-one (CAS 1644414-74-3)
- SPANphos (CAS 556797-94-5)
- 66080-23-7 4,4,5,5-Tetramethyl-2-[(phenylsulfanyl)methyl]-1,3,2-dioxaborolane DTXSID40405494 (CAS 66080-23-7)
- 4-Chloro-6-(difluoromethyl)-2-methylpyrimidine (CAS 1706452-87-0)
- 3-Mercaptotyramine HCl (CAS 36504-84-4)
- 3-[(E)-2-(Pyridin-3-yl)ethenyl]-1,2-dihydroquinoxalin-2-one (CAS 1000169-10-7)
- Tetrapeptide-30/Tegopep (CAS 1036207-61-0)
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