5-Chloro-2-iodo-3-methoxypyrazine CAS 476623-12-8
| CAS No. | 476623-12-8 |
| Molecular Formula | C5H4ClIN2O |
| Molecular Weight | 270.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 5-Chloro-2-iodo-3-methoxypyrazine is closely related to an amide group, a hydroxyl group, an ether linkage, chlorine/iodine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 5-Chloro-2-iodo-3-methoxypyrazine (CAS 476623-12-8), a certified reference material (molecular formula C5H4ClIN2O, MW 270.46 g/mol) for analytical method development and quality control.
Based on its molecular formula C5H4ClIN2O, 5-Chloro-2-iodo-3-methoxypyrazine contains an amide group, a hydroxyl group, an ether linkage, chlorine/iodine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 270.46 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
CATO manufactures 5-Chloro-2-iodo-3-methoxypyrazine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring 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.) | 2025 |
| 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)
- 2-Chloro-5-iodo-4-methoxypyrimidine (CAS 159585-16-7)
- 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)
- 1-Chloro-5-fluoro-4-iodo-2-methylbenzene (CAS 1126424-32-5)
Recommended Standards
- Isopropylxanthic Disulfide (CAS 105-65-7)
- 1-(5-Bromo-3-chloropyridin-2-yl)-2,2-difluoroethan-1-one (CAS 2812355-54-5)
- 1-Chloro-2-fluoro-5-iodo-4-methylbenzene (CAS 1242339-72-5)
- 1-Chloro-5-fluoro-2-iodo-3-methylbenzene (CAS 1242339-79-2)
- (2-Butoxy-5-chlorophenyl)boronic acid (CAS 352534-88-4)
- (s)-n-((5-Chloropyridin-2-yl)methylene)-2-methylpropane-2-sulfinamide (CAS 2093210-92-3)
- 5-Isobutyl-2-methyl-4-(morpholinomethyl)furan-3-carboxylic acid (CAS 435341-87-0)
- Indolin-3-one (CAS 3260-61-5)
- 1-(5-(tert-Butylthio)-3-methylpyridin-2-yl)-4-ethylpiperazine (CAS 1355226-03-7)
- 5-Fluoro-4-formyl-3-methoxyphenylboronic acid (CAS 2633633-50-6)
- 2-(5-(2,4-Dichlorophenyl)-1H-pyrazol-1-yl)pyrimidine-5-carbonitrile (CAS 321385-87-9)
- 1,4-Butane diisothiocyanate 1,4-diisothiocyanatobutane 4430-51-7 (CAS 4430-51-7)
- N-((1-Methyl-1H-pyrazol-3-yl)methyl)hexan-1-amine hydrochloride (CAS 1856063-20-1)
- Acetyl Hexapeptide-38 (CAS 1400634-44-7)
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