2-Chloro-5-iodo-4-methoxypyrimidine CAS 159585-16-7
| CAS No. | 159585-16-7 |
| Molecular Formula | C5H4ClIN2O |
| Molecular Weight | 270.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-Chloro-5-iodo-4-methoxypyrimidine 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.
2-Chloro-5-iodo-4-methoxypyrimidine (CAS 159585-16-7) is a high-purity analytical reference standard with the molecular formula C5H4ClIN2O and a molecular weight of 270.46 g/mol.
2-Chloro-5-iodo-4-methoxypyrimidine (C5H4ClIN2O) contains an amide group, a hydroxyl group, an ether linkage, chlorine/iodine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C5H4ClIN2O |
| Molecular Weight | 270.46 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| 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.) | 2002 |
| Halogen Content | Cl/I-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- 6-Chloro-5-iodo-2-methylpyrimidin-4-ol (CAS 111079-42-6)
- 6-Chloro-5-iodopyrimidine-2,4-diamine (CAS 1186093-86-6)
- 3-Chloro-4-iodo-6-methoxypyridazine (CAS 181355-91-9)
- 6-Chloro-4-iodo-3-methoxypyridazine (CAS 181355-92-0)
- 2-Chloro-5-iodo-3-methoxypyrazine (CAS 1823916-90-0)
- 2-Chloro-5-iodo-3-methylpyrimidin-4(3H)-one (CAS 2055760-88-6)
- 5-Chloro-2-iodo-3-methoxypyrazine (CAS 476623-12-8)
- 1-Chloro-5-fluoro-4-iodo-2-methylbenzene (CAS 1126424-32-5)
Recommended Standards
- 2-Bromo-3-chloro-6-(difluoromethyl)isonicotinaldehyde (CAS 1804459-81-1)
- 2-Bromo-6-chloro-5-(difluoromethyl)nicotinaldehyde (CAS 1804459-89-9)
- Pentadecanoic Acid Ethyl Ester (CAS 41114-00-5)
- 6-Bromo-5-chloro-4-(difluoromethyl)nicotinaldehyde (CAS 1804656-31-2)
- 4-[(3-Methylphenyl)sulfanyl]-2-(methylsulfanyl)quinazoline (CAS 477845-91-3)
- 4-(2-Nitrophenoxy)benzonitrile (CAS 113344-23-3)
- (2-(3-(Trifluoromethyl)phenyl)pyrimidin-5-yl)boronic acid (CAS 2225175-12-0)
- (S)-3-(1H-Indol-3-yl)-N-((1-(4-methoxyphenyl)cyclohexyl)methyl)-2-(3-(4-nitrophenyl)ureido)propanamide (CAS 1422269-30-4)
- 2-Dimethoxymethyl-6-trifluoromethoxy-1H-benzoimidazole (CAS 1965309-88-9)
- Gefitinib hydrochloride (CAS 184475-55-6)
- 5-Phenyl-piperidine-2-carboxylic acid methyl ester hydrochloride (CAS 2305079-26-7)
- Anidulafungin Side Chain Methyl Ester (CAS 158937-30-5)
- 2-Acetyl-7-bromofluorene (CAS 34172-50-4)
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