2-chloropyrido[3,4-b]pyrazine CAS 1774892-87-3
| CAS No. | 1774892-87-3 |
| Molecular Formula | C7H14ClN3 |
| Molecular Weight | 175.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 175.66 g/mol gives 2-chloropyrido[3,4-b]pyrazine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-chloropyrido[3,4-b]pyrazine (CAS 1774892-87-3), molecular formula C7H14ClN3 and molecular weight 175.66 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrile group, chlorine substitution, 2-chloropyrido[3,4-b]pyrazine is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 175.66 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
As a certified reference material (CRM), 2-chloropyrido[3,4-b]pyrazine 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.
Physical & Chemical Properties
| Molecular Formula | C7H14ClN3 |
| Molecular Weight | 175.66 g/mol |
| 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 | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related chloropyrido Standards
- 2-chloropyrido[2,3-d]pyrimidine (CAS 1060816-71-8)
- 3-chloropyrido[3,4-b]pyrazine (CAS 1774892-76-0)
- 4-chloropyrido[2,3-d]pyrimidine (CAS 28732-79-8)
- 6-chloropyrido[3,2-d]pyrimidin-4-amine (CAS 1499166-63-0)
- 2-Chloropyrido[4,3-d]pyrimidin-4-amine (CAS 1935150-89-2)
- 1-Chloropyrido[3,4-d]pyridazin-4-amine (CAS 2730140-57-3)
- 3-Chloropyrido[2,3-b]pyrazin-6-amine (CAS 936760-62-2)
- 3-Chloropyrido[3,4-b]pyrazin-5-amine (CAS 2089381-31-5)
Recommended Standards
- 5-chloro-3-methyl-imidazo[1,5-c]pyrimidine (CAS 1784549-42-3)
- 6-chloro-1H-indol-5-ol (CAS 172078-40-9)
- 4-chloro-6-methyl-1H-pyrazolo[3,4-b]pyridine (CAS 17902-30-6)
- 3-chloro-7-methyl-5H-pyrrolo[2,3-b]pyrazine (CAS 1638768-46-3)
- 3,6-Dichloro-1-methyl-1h-indole-2-carboxylic acid (CAS 1355224-53-1)
- N4-Benzoyl-3',5'-O-(1,1,3,3-tetraisopropyl-1,3-disiloxanediyl)cytidine (CAS 69304-43-4)
- 2-(2,6-Dioxopiperidin-3-yl)-5,7-dihydrocyclopenta[f]isoindole-1,3,6(2H)-trione (CAS 2616551-00-7)
- 2-((5-Methyl-1,3,4-thiadiazol-2-yl)thio)propan-1-amine (CAS 869942-46-1)
- 5-(2,4-dimethylphenyl)-1,3,4-oxadiazol-2-amine (CAS 902137-22-8)
- 4-Bromo-2-(tert-butyl)-7-(trimethylsilyl)-oxazolo[4,5-c]pyridine (CAS 1305324-62-2)
- 1-(Benzyloxy)-3-methylbenzene (CAS 834-17-3)
- 5-(Oct-1-yn-1-yl)nicotinic acid (CAS 845266-29-7)
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