8-Bromo-2,4-dichloropyrazolo[1,5-a][1,3,5]triazine CAS 2734927-73-0
| CAS No. | 2734927-73-0 |
| Molecular Formula | C5HBrCl2N4 |
| Molecular Weight | 267.90 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 8-Bromo-2,4-dichloropyrazolo[1,5-a][1,3,5]triazine (CAS 2734927-73-0), a certified reference material (molecular formula C5HBrCl2N4, MW 267.90 g/mol) for analytical method development and quality control.
Owing to a nitrile group, chlorine/bromine substitution, 8-Bromo-2,4-dichloropyrazolo[1,5-a][1,3,5]triazine is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 267.90 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), 8-Bromo-2,4-dichloropyrazolo[1,5-a][1,3,5]triazine 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 | C5HBrCl2N4 |
| Molecular Weight | 267.90 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.) | 2002 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 4 |
Related Bromo Standards
- 8-Bromo-2,6-dichloro-9H-purine (CAS 1416372-76-3)
- 7-Bromo-2,4-dichloroimidazo[2,1-f][1,2,4]triazine (CAS 1541253-70-6)
- 2-Bromo-1-(5-bromofuran-2-yl)ethan-1-one (CAS 17357-32-3)
- 2-Bromo-5,7-dichloro-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 2145074-54-8)
- 3-Bromo-4,6-dichloro-1H-pyrazolo[3,4-d]pyrimidine (CAS 944902-17-4)
- 6-Bromo-2,4-dichlorofuro[3,2-d]pyrimidine (CAS 1363382-31-3)
- (5-Bromo-6-(1H-imidazol-1-yl)pyridin-3-yl)boronic acid (CAS 2225170-12-5)
- (5-Bromo-6-(1H-pyrazol-1-yl)pyridin-3-yl)boronic acid (CAS 2225180-80-1)
Recommended Standards
- 5,6-Dibromocyclohex-2-ene-1,4-dione (CAS 5273-61-0)
- Phloroglucinol Impurity 2 (CAS 61524-51-4)
- 3,5-Dibromo-2-methoxypyrazine (CAS 1207853-31-3)
- 2-Iodomethyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 70557-99-2)
- 5-(Benzo[b]thiophen-2-yl)-1H-pyrrole-2-carboxylic acid (CAS 1897771-31-1)
- (E)-1-(piperazin-1-yl)-3-(3,4,5-trimethoxyphenyl)prop-2-en-1-one (CAS 88053-13-8)
- 1-Phenyl-4-hexyn-3-ol (CAS 184577-40-0)
- 1-(3-Methoxyphenoxy)-3-(piperidin-1-yl)propan-2-ol (CAS 439128-83-3)
- (S)-3-((tert-Butoxycarbonyl)amino)-3-(2-ethoxyphenyl)propanoic acid (CAS 1366333-47-2)
- 4-[(2-chloro-4-fluorobenzyl)oxy]-3-methoxybenzamide (CAS 1706463-09-3)
- Methyl 2-3-6-tri-O-acetyl-4-deoxy-4-fluoro-α-D-galactopyranoside (CAS 32934-08-0)
- 6-Fluoro-2-(4,4-difluoropiperidin-1-yl)nitrobenzene (CAS 1713160-87-2)
- tert-Butyl 4-(hydroxymethyl)-2,8-diazaspiro[4.5]decane-8-carboxylate (CAS 1357354-18-7)
- Semaglutide impurity 236 (CAS CATO-C4X-2226236)
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