Ethyl 2-Chloro-7,8-dihydropyrido[3,4-b]pyrazine-6(5H)-carboxylate CAS 949922-49-0
| CAS No. | 949922-49-0 |
| Molecular Formula | C10H12ClN3O2 |
| Molecular Weight | 241.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Ethyl 2-Chloro-7,8-dihydropyrido[3,4-b]pyrazine-6(5H)-carboxylate.
CATO supplies Ethyl 2-Chloro-7,8-dihydropyrido[3,4-b]pyrazine-6(5H)-carboxylate (CAS 949922-49-0), a certified reference material (molecular formula C10H12ClN3O2, MW 241.67 g/mol) for analytical method development and quality control.
Structurally, Ethyl 2-Chloro-7,8-dihydropyrido[3,4-b]pyrazine-6(5H)-carboxylate (C10H12ClN3O2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 241.67 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C10H12ClN3O2 |
| Molecular Weight | 241.67 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.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Ethyl Standards
- Ethyl 4-Chloro-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine-6-carboxylate (CAS 1078103-66-8)
- Methyl 2-(2-chloro-n-methylacetamido)benzoate (CAS 1140-19-8)
- 1-(2-Chloro-4-nitrophenyl)piperazine (CAS 114878-60-3)
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- N-(4-chloro-2,5-dimethoxyphenyl)prop-2-enamide (CAS 1156750-86-5)
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- 2-Chloro-5-(2-methylpropanamido)benzoic acid (CAS 1184281-48-8)
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Recommended Standards
- Ethyl 2-chloro-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine-4-carboxylate (CAS 944902-79-8)
- Ethyl 3-chloro-5H,6H,7H,8H-pyrido[4,3-c]pyridazine-6-carboxylate (CAS 39715-99-6)
- Ethyl 2-amino-2-[2-(4-chlorophenyl)hydrazono]acetate (CAS 56462-76-1)
- Ethyl 4-(2-chloro-3-pyridyl)-4-oxobutyrate (CAS 852063-32-2)
- Methyl (E)-5-cyano-4-(2-(dimethylamino)vinyl)-1-(4-fluorophenyl)-6-oxo-1,6-dihydropyridazine-3-carboxylate (CAS 478246-14-9)
- Ethyl nicotinimidate dihydrochloride (CAS 81659-46-3)
- Methyl 3-(difluoromethoxy)-1-methyl-1H-pyrazole-5-carboxylate (CAS 1227002-28-9)
- tert-Butyl (4-chlorocyclohexyl)carbamate (CAS 35426-68-7)
- 1-((2-Chlorobenzyl)oxy)-2-(4-methoxyphenyl)-1H-benzo[d]imidazole (CAS 339009-73-3)
- Ethyl 1-(2-furylmethyl)piperidine-3-carboxylate (CAS 1048917-57-2)
- 4-(2-Cyclopropyl-2-oxoethoxy)-N-(2-((4-methyl-4H-1,2,4-triazol-3-yl)thio)ethyl)benzamide (CAS 1251546-58-3)
- Fluoxetine Impurity 4 (CAS 402-45-9)
- Carvedilol (R)-Isomer (CAS 95093-99-5)
- Tirzepatide Impurity 61 (CAS CATO-C4X-324061)
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