5-Chloro-1H-pyrazolo[3,4-b]pyrazine-3-carbonitrile CAS 1260671-41-7
| CAS No. | 1260671-41-7 |
| Molecular Formula | C6H2ClN5 |
| Molecular Weight | 179.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 5-Chloro-1H-pyrazolo[3,4-b]pyrazine-3-carbonitrile 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.
5-Chloro-1H-pyrazolo[3,4-b]pyrazine-3-carbonitrile (CAS 1260671-41-7) is a high-purity analytical reference standard with the molecular formula C6H2ClN5 and a molecular weight of 179.57 g/mol.
5-Chloro-1H-pyrazolo[3,4-b]pyrazine-3-carbonitrile (C6H2ClN5) contains a nitrile group, chlorine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
Physical & Chemical Properties
| Molecular Formula | C6H2ClN5 |
| Molecular Weight | 179.57 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 5 |
Related Chloro Standards
- 4-chloro-1H-pyrazolo[3,4-d]pyrimidine-3-carbonitrile (CAS 1004991-91-6)
- (Z)-4-Chloro-2-(methoxyimino)-3-oxobutanoic acid (CAS 111230-59-2)
- 4-Chloro-3,5-difluoro-pyridine-2,6-diamine (CAS 1112987-16-2)
- 4-Chloro-6-(difluoromethyl)pyrimidin-5-amine (CAS 1706449-38-8)
- 5-Chloro-6-(difluoromethyl)pyrimidin-4-amine (CAS 1706461-32-6)
- 5-Chloro-2,6-difluoropyridine-3,4-diamine (CAS 405230-92-4)
- 6-Chloro-5-(difluoromethyl)pyrimidin-4-amine (CAS 2092036-62-7)
- 4-Chloro-5-nitrothiazol-2-amine (CAS 127507-89-5)
Recommended Standards
- 2H-Pyrazolo[4,3-d]pyrimidine-3-carbonitrile, 5-chloro- (CAS 2092193-29-6)
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- 3-Amino-5-chloropyrazine-2,6-dicarbonitrile (CAS 40559-88-4)
- 5-Amino-6-chloro-2,3-dicyanopyrazine (CAS 56413-96-8)
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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