Ethyl 5,8-Dichloroimidazo[1,5-a]pyrazine-1-carboxylate CAS 1256633-28-9
| CAS No. | 1256633-28-9 |
| Molecular Formula | C9H7Cl2N3O2 |
| Molecular Weight | 260.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 260.08 g/mol gives Ethyl 5,8-Dichloroimidazo[1,5-a]pyrazine-1-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Ethyl 5,8-Dichloroimidazo[1,5-a]pyrazine-1-carboxylate (CAS 1256633-28-9) is a high-purity analytical reference standard with the molecular formula C9H7Cl2N3O2 and a molecular weight of 260.08 g/mol.
Based on its molecular formula C9H7Cl2N3O2, Ethyl 5,8-Dichloroimidazo[1,5-a]pyrazine-1-carboxylate contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 260.08 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 Ethyl 5,8-Dichloroimidazo[1,5-a]pyrazine-1-carboxylate 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 | C9H7Cl2N3O2 |
| Molecular Weight | 260.08 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 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Ethyl Standards
- Ethyl 6,8-dichloroimidazo[1,2-b]pyridazine-3-carboxylate (CAS 1177415-90-5)
- Ethyl 5,7-dichloroimidazo[1,2-a]pyrimidine-2-carboxylate (CAS 1289005-35-1)
- Ethyl 5,7-dichloroimidazo[1,2-c]pyrimidine-2-carboxylate (CAS 1289151-91-2)
- 2-{6,8-dichloroimidazo[1,2-a]pyridin-2-yl}ethanethioamide (CAS 1240526-55-9)
- Ethyl 3,6-dichloroimidazo[1,2-a]pyridine-2-carboxylate (CAS 478040-91-4)
- Ethyl 6,8-dichloroimidazo[1,2-a]pyridine-2-carboxylate (CAS 444791-55-3)
- 3,3-Dichloroimidazo[2,1-a]isoquinolin-2(3H)-one (CAS 62472-02-0)
- 4,8-dichloroimidazo[1,5-a]quinoxaline (CAS 1334331-43-9)
Recommended Standards
- 4-Bromo-2-hydroxy-N-methoxy-N-methylbenzamide (CAS 1252279-97-2)
- Methyl 4-Bromo-5-methoxypyridine-2-acetate (CAS 1256792-29-6)
- 5-Bromo-2-propan-2-yloxypyridine-3-carboxylic acid (CAS 1249915-84-1)
- Methyl 2-amino-4-bromo-5-methoxybenzoate (CAS 1256955-36-8)
- 7-Phenyl-1,2-thiazepane 1,1-dioxide (CAS 1537863-78-7)
- N-(2-(Aminomethyl)-3-hydroxyphenyl)methanesulfonamide (CAS 1243414-11-0)
- 5,5'-Disulfanediylbis(4-(4-methoxyphenyl)-1-methyl-1H-imidazol-2-amine) (CAS 175669-17-7)
- 3-[4-[3-(2-methoxyethoxy)prop-1-ynyl]-1-oxo-isoindolin-2-yl]piperidine-2,6-dione (CAS 2408797-39-5)
- Azithromycin EP Impurity J (CAS 117693-41-1)
- 2-(3-Iodophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 408492-28-4)
- 7-Chloro-3,4-dihydroisoquinoline-1(2H)-thione (CAS 26406-59-7)
- 6-Amino-4-methyl-3-(trifluoromethyl)picolinaldehyde (CAS 2769132-27-4)
- 2-(2-Methyl-4,5-dihydro-1H-imidazol-1-yl)ethan-1-amine (CAS 6528-88-7)
- Palmitoyl Tripeptide-5 TFA (CAS 623172-55-4（free base）)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com