2-Bromo-8-chloro-[1,2,4]triazolo[1,5-a]pyrazine CAS 1936016-69-1
| CAS No. | 1936016-69-1 |
| Molecular Formula | C5H2BrClN4 |
| Molecular Weight | 233.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2-Bromo-8-chloro-[1,2,4]triazolo[1,5-a]pyrazine is closely related to a nitrile group, chlorine/bromine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
2-Bromo-8-chloro-[1,2,4]triazolo[1,5-a]pyrazine (CAS 1936016-69-1), molecular formula C5H2BrClN4 and molecular weight 233.45 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-Bromo-8-chloro-[1,2,4]triazolo[1,5-a]pyrazine (C5H2BrClN4) contains a nitrile group, chlorine/bromine 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 233.45 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 2-Bromo-8-chloro-[1,2,4]triazolo[1,5-a]pyrazine 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 | C5H2BrClN4 |
| Molecular Weight | 233.45 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) | 6.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 4 |
Related Bromo Standards
- 5-Bromo-2-chlorooxazolo[4,5-b]pyridine (CAS 1211533-63-9)
- 6-Bromo-4-chlorofuro[3,2-d]pyrimidine (CAS 1211536-97-8)
- 7-Bromo-4-chlorofuro[3,2-d]pyrimidine (CAS 1211595-48-0)
- 6-Bromo-8-chloro-[1,2,4]triazolo[4,3-a]pyrazine (CAS 1334135-75-9)
- 8-Bromo-5-chloro-[1,2,4]triazolo[1,5-c]pyrimidine (CAS 1367774-82-0)
- 2-Bromo-6-chloro-3-hydroxyisonicotinonitrile (CAS 1445968-08-0)
- 6-Bromo-2-chloro-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 1779766-69-6)
- 5-Bromo-4-chloroimidazo[5,1-f][1,2,4]triazine (CAS 1780012-72-7)
Recommended Standards
- 3-Bromo-5-chloro-1H-pyrazolo[4,3-d]pyrimidine (CAS 1935930-11-2)
- 3-Bromo-6-chloro-1H-pyrazolo[3,4-b]pyrazine (CAS 1936225-21-6)
- 2-Bromo-5-chloro-[1,2,4]triazolo[1,5-a]pyrazine (CAS 1935050-83-1)
- 3-Bromo-8-chloro-[1,2,4]triazolo[4,3-a]pyrazine (CAS 1936576-27-0)
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