8-Chloro-1,3,9-trimethyl-1H-purine-2,6(3H,9H)-dione CAS 4921-53-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4921-53-3 |
| Molecular Formula | C8H9ClN4O2 |
| Molecular Weight | 228.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
8-Chloro-1,3,9-trimethyl-1H-purine-2,6(3H,9H)-dione (CAS 4921-53-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C8H9ClN4O2. Molecular weight: 228.64 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C8H9ClN4O2 |
| Molecular Weight | 228.64 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 sealed and dry, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related Chloro Standards
- 2-Chloro-1-[4-(trifluoromethyl)cyclohexyl]ethan-1-one (CAS 1037834-24-4)
- 4-Chloro-5-(trifluoromethyl)-1H-pyrrolo[2,3-b]pyridine (CAS 1196507-58-0)
- 8-chloro-6-(trifluoromethyl)imidazo[1,2-a]pyridine (CAS 178488-36-3)
- 1-(4-chloro-2-methyl-phenyl)-2,2,2-trifluoro-ethanone (CAS 845823-13-4)
- 1-(4-chloro-3-methyl-phenyl)-2,2,2-trifluoro-ethanone (CAS 286017-71-8)
- 2-(6-Chloro-9H-purin-9-yl)propane-1,3-diol (CAS 32528-39-5)
- 2-chloro-1-[(1s,4s)-4-(trifluoromethyl)cyclohexyl]ethan-1-one (CAS 2059913-70-9)
- 4-Chloro-3-(trifluoromethyl)-1H-pyrrolo[2,3-b]pyridine (CAS 869335-75-1)
Recommended Standards
- 8-(Chloromethyl)-3,7-dimethyl-3,7-dihydro-1h-purine-2,6-dione (CAS 4921-56-6)
- Ethyl (2E)-[(6-chloropyridazin-3-yl)hydrazono]acetate (CAS 69579-06-2)
- 8-(Chloromethyl)-1,3-dimethyl-2,3,6,9-tetrahydro-1h-purine-2,6-dione (CAS 64398-14-7)
- 2-(Dimethylamino)oxazol-5(4H)-one (CAS 329186-78-9)
- tert-butyl 3-fluoro-3-(4-iodobutyl)pyrrolidine-1-carboxylate (CAS 2243201-81-0)
- 1-[4-(1-aminoethyl)phenyl]-3,3-diethylurea hydrochloride (CAS 1394042-44-4)
- 1-(5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-3,4-dihydroisoquinolin-2(1H)-yl)ethan-1-one (CAS 937591-82-7)
- 1,2-Dimethyl-3-nitro-1H-pyrrole (CAS 72083-72-8)
- 6-Bromo-3-cyclohexyl-7-methylimidazo[4,5-b]pyridine (CAS 1393442-17-5)
- Neuropeptide K (human, porcine, rat) trifluoroacetate salt (CAS 96827-05-3)
Why CATO?
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