5-bromo-2-chloro-3-fluoro-pyrazine CAS 1959608-05-9
| CAS No. | 1959608-05-9 |
| Molecular Formula | C4H7BrClFN2 |
| Molecular Weight | 217.47 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 5-bromo-2-chloro-3-fluoro-pyrazine.
CATO supplies 5-bromo-2-chloro-3-fluoro-pyrazine (CAS 1959608-05-9), a certified reference material (molecular formula C4H7BrClFN2, MW 217.47 g/mol) for analytical method development and quality control.
Owing to fluorine/chlorine/bromine substitution, 5-bromo-2-chloro-3-fluoro-pyrazine is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 217.47 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.
CATO manufactures 5-bromo-2-chloro-3-fluoro-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 | C4H7BrClFN2 |
| Molecular Weight | 217.47 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) | 1.0 |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | F/Cl/Br-containing |
| Nitrogen Atoms | 2 |
Related bromo Standards
- 3-Bromo-6-chloropyridine-2-carbonitrile, 97% (CAS 1053659-39-4)
- 5-Bromo-4-chloronicotinonitrile (CAS 1160923-98-7)
- 6-Bromo-2-chloronicotinonitrile (CAS 1171919-79-1)
- 4-Bromo-6-chloropicolinonitrile (CAS 1206247-90-6)
- 6-Bromo-4-chloropicolinonitrile (CAS 1206248-51-2)
- 5-Bromo-2-chloroisonicotinonitrile (CAS 1211515-17-1)
- 2-Bromo-5-chloroisonicotinonitrile (CAS 1211537-53-9)
- 6-Bromo-3-chloropicolinonitrile (CAS 1252046-16-4)
Recommended Standards
- 5-Bromo-6-chloronicotinonitrile (CAS 71702-01-7)
- (3E)-1,1,1-trichloro-4-ethoxybut-3-en-2-one (CAS 59938-07-7)
- 5-Bromo-3-chloropyridine-2-carbonitrile (CAS 945557-04-0)
- 2,2,2-Trichloroethyl methacrylate (CAS 50601-47-3)
- (2S)-1-[2-(Cyclopentylamino)acetyl]pyrrolidine-2-boronic acid (CAS 852329-53-4)
- Creatine phosphate disodium salt (CAS 6190-45-0)
- 3-Fluoro-5-hydroxybenzyl bromide (CAS 1260790-85-9)
- 2-Methylpyrazine-d6 (CAS 1219804-84-8)
- o-(Cyclohexylmethyl)hydroxylamine (CAS 110238-61-4)
- 5,6-Dimethylpyrazine-2,3-dicarbonitrile (CAS 40227-17-6)
- 1-(3-Hydroxypropyl)-5-oxopyrrolidine-3-carboxylic acid (CAS 1211454-35-1)
- 2-Methyl-1-(10H-phenothiazin-10-yl)prop-2-en-1-one (CAS 64339-55-5)
- Axitinib Impurity 22 (CAS CATO-C4X-107122)
- [y-Glu15]-Semaglutide Impurity 134 (CAS CATO-C4X-2226134)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com