2-Amino-5-chloro-6-methylpyrimidin-4(1H)-one CAS 7749-63-5
| CAS No. | 7749-63-5 |
| Molecular Formula | C5H6ClN3O |
| Molecular Weight | 159.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2-Amino-5-chloro-6-methylpyrimidin-4(1H)-one (C5H6ClN3O) contains an amide group, a hydroxyl group, an ether linkage, chlorine substitution. 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 159.57 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
2-Amino-5-chloro-6-methylpyrimidin-4(1H)-one (CAS 7749-63-5), molecular formula C5H6ClN3O and molecular weight 159.57 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), 2-Amino-5-chloro-6-methylpyrimidin-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 | C5H6ClN3O |
| Molecular Weight | 159.57 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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.) | 1959 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Amino Standards
- (4-Amino-6-chloropyrimidin-5-yl)methanol (CAS 1341216-79-2)
- 1-Amino-3-chloro-1H-pyrrole-2-carboxamide, 97% (CAS 1548339-08-7)
- 1-(3-Amino-1H-pyrazol-1-yl)-2-chloroethanone (CAS 155347-67-4)
- 1-(5-Amino-1H-pyrazol-1-yl)-2-chloroethanone (CAS 155347-68-5)
- 5-Amino-4-chloro-6-methoxypyrimidine (CAS 15846-19-2)
- 2-Amino-4-chloro-1-methyl-1H-imidazole-5-carbaldehyde (CAS 165114-19-2)
- 5-Amino-2-chloro-6-methylpyrimidin-4-ol (CAS 1691605-41-0)
- (5-Amino-2-chloropyrimidin-4-yl)methanol (CAS 1781006-96-9)
Recommended Standards
- 2-Amino-4-chloro-6-methoxy-pyrimidine (CAS 5734-64-5)
- 2-Amino-6-(chloromethyl)pyrimidin-4(1H)-one (CAS 92311-33-6)
- 1-(5-(Chloromethyl)isoxazol-3-yl)ethanone (CAS 93422-80-1)
- 2-Amino-6-chloro-3-methylpyrimidin-4(3H)-one (CAS 874-20-4)
- 10-Acetamidodecanoic acid (CAS 105474-03-1)
- (3,4-Dimethoxyphenyl)(pyridin-2-yl)methanol (CAS 31749-10-7)
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- trimethyl-[2-(3,4,5-trifluorophenyl)ethynyl]silane (CAS 299411-43-1)
- (S)-3,3,3-trifluoro-2-hydroxy-2-methyl-propionic acid ethyl ester (CAS 197785-84-5)
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