2-Chloro-4-methoxy-6-methyl-5-nitropyrimidine CAS 1899-99-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1899-99-6 |
| Molecular Formula | C6H6ClN3O3 |
| Molecular Weight | 203.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Chloro-4-methoxy-6-methyl-5-nitropyrimidine (CAS 1899-99-6) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C6H6ClN3O3. Molecular weight: 203.58 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C6H6ClN3O3 |
| Molecular Weight | 203.58 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 methanol, ethanol, DMSO, water |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
- 2-Chloro-N-(isoxazol-3-ylcarbamoyl)acetamide (CAS 112810-51-2)
- 4-chloro-2-methoxy-6-nitrophenol (CAS 118724-89-3)
- 3-Chloro-6-(2,2-difluoroethyl)pyrazine-2-carbonitrile (CAS 1257072-46-0)
- 6-Chloro-4-(difluoromethyl)-1H-pyrazolo[3,4-b]pyridine (CAS 1279829-79-6)
- 5-Chloro-4-methoxy-2-nitrophenol (CAS 14164-14-8)
- 2-Chloro-4-ethoxy-5-nitropyrimidine (CAS 1702077-93-7)
- 2-Chloro-5-(difluoromethyl)-5H-pyrrolo[3,2-d]pyrimidine (CAS 1934913-04-8)
- 4-Chloro-3-methoxy-5-nitropyridin-2-amine (CAS 1956379-48-8)
Recommended Standards
- 2-Amino-6-chloro-5-(difluoromethyl)nicotinonitrile (CAS 1806828-51-2)
- 2-Amino-6-chloro-3-(difluoromethyl)isonicotinonitrile (CAS 1806815-73-5)
- 6-Amino-5-chloro-3-(difluoromethyl)picolinonitrile (CAS 1806815-70-2)
- Naphthalene, 1,2,3,4-tetrahydro-1,1,2,4,4,7-hexamethyl- (CAS 2084-69-7)
- 5-Bromo-N,3-dimethoxy-N-methylpicolinamide (CAS 1171919-90-6)
- 1-Propanaminium, N,N,N-trimethyl-3-[(2-methyl-1-oxo-2-propenyl)amino]-, chloride, homopolymer (CAS 68039-13-4)
- 6-Amino-2-chloro-3-methoxyphenol hydrochloride (CAS 1956322-80-7)
- Benzyl (2-(butylamino)-2-oxo-1-phenylethyl)carbamate (CAS 1393441-63-8)
- 7-Hydroxy Aminopterin 97772-99-1 N-[4-[[(2,4-Diamino-1,7-dihydro-7-oxo-6-pteridinyl)methyl]amino]benzoyl]- L-Glutamic Acid N-[4-[[(2,4-Diamino-7,8-dihydro-7-oxo-6-pteridinyl)methyl]amino]benzoyl]-L-glutamic Acid N-[p-[[(2,4-Diamino-7-hydroxy-6-pteridinyl)methyl]amino]benzoyl]-L-glutamic Acid (CAS 97772-99-1)
- Semaglutide impurity 39 (CAS CATO-C4X-222639)
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