6-chloro-[1,2,4]triazolo[1,5-a]pyrazine CAS 51519-29-0
| CAS No. | 51519-29-0 |
| Molecular Formula | C5H11ClN4 |
| Molecular Weight | 162.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 6-chloro-[1,2,4]triazolo[1,5-a]pyrazine (CAS 51519-29-0), a certified reference material (molecular formula C5H11ClN4, MW 162.62 g/mol) for analytical method development and quality control.
Owing to a nitrile group, chlorine substitution, 6-chloro-[1,2,4]triazolo[1,5-a]pyrazine is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 162.62 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), 6-chloro-[1,2,4]triazolo[1,5-a]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 | C5H11ClN4 |
| Molecular Weight | 162.62 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.) | 1971 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related chloro Standards
- 3-(5-chloro-1H-pyrazol-1-yl)propanal (CAS 1032964-29-6)
- 2-chloro-1-(1-methylpyrazol-4-yl)ethanone (CAS 1152550-60-1)
- 5-chloro-2-ethyl-1H-imidazole-4-carbaldehyde (CAS 145824-12-0)
- 4-chloro-2H-pyrazolo[3,4-d]pyrimidine (CAS 1821249-93-7)
- 3-chloro-1-ethyl-1,2-dihydropyrazin-2-one (CAS 58909-71-0)
- 3-chloro-4-ethyl-1H-pyridazin-6-one (CAS 61404-44-2)
- 5-chloro-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 89364-06-7)
- 5-chloro-1H-pyrazolo[4,3-d]pyrimidine (CAS 633328-98-0)
Recommended Standards
- 5-chloro-3H-[1,2,3]triazolo[4,5-b]pyridine (CAS 73895-37-1)
- 6-chloro-3H-[1,2,3]triazolo[4,5-b]pyridine (CAS 408314-14-7)
- Halowax 1031 (CAS 25586-43-0)
- Zopiclone Impurity 9 (CAS 39539-66-7)
- (1`R,2`S)-Cis-Nicotine-1`-N-oxide (CAS 51020-67-8)
- 3-(hydroxymethyl)cyclobutanol (CAS 1245647-03-3)
- 5068-23-5 6,7-diethoxy-1-(4-methoxy-3-propan-2-ylphenyl)-1,2,3,4-tetrahydroisoquinoline DTXSID80409658 (CAS 5068-23-5)
- Ethyl 3-amino-4,4-dimethylhexanoate (CAS 1422051-83-9)
- 2,2,2-Trifluoro-1-(3-methyl-4-propoxyphenyl)ethanone (CAS 1443303-03-4)
- 4-amino-5-(oxan-4-yl)-4H-1,2,4-triazole-3-thiol (CAS 1344068-28-5)
- Amlodipine Impurity 117 (CAS CATO-C4X-1095117)
- 2,7-Dimethyl[1,3]thiazolo[4,5-d]pyridazin-4(5H)-one (CAS 184147-91-9)
- 1-(1H-Benzo[d][1,2,3]triazol-1-yl)-3-phenylpropan-2-one (CAS 131164-23-3)
- Thymopoietin II Peptide Fragment (CAS 56795-64-3)
Why CATO?
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