2-(4-Nitro-1H-pyrazol-3-yl)pyrazine CAS 1342039-78-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1342039-78-4 |
| Molecular Formula | C7H5N5O2 |
| Molecular Weight | 191.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 2-(4-Nitro-1H-pyrazol-3-yl)pyrazine (CAS 1342039-78-4) pharmaceutical standards reference standard. Molecular formula: C7H5N5O2. Molecular weight: 191.15 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C7H5N5O2 |
| Molecular Weight | 191.15 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 5 |
Related Nitro Standards
- 5-Nitro-2-(1H-1,2,4-triazol-1-yl)pyridine (CAS 157842-35-8)
- 3-Nitro-4-(1H-1,2,4-triazol-1-yl)pyridine (CAS 912773-00-3)
- 4-Nitro-2-(1H-1,2,4-triazol-1-yl)pyridine (CAS 942076-78-0)
- 2-NITRO-4-FLUOROBENZOIC ACID 394-01-4 4-Fluoro-2-nitrobenzoic acid AS01879 BENZOIC ACID, 4-FLUORO-2-NITRO- BUTTPARK 45\01-65 RARECHEM AL BO 1973 (CAS 394-01-4)
- 4-Nitro-1H-pyrrolo[2,3-b]pyridine-3-carbaldehyde (CAS 1000340-43-1)
- 5-Nitro-1-nitroso-1H-indoleDISCONTINUED (CAS 1000399-12-1)
- 3-Nitro-1H-pyrrolo[2,3-b]pyridine-5-carbaldehyde (CAS 1167056-97-4)
- 3-Nitro-1H-pyrrolo[2,3-b]pyridine-4-carbaldehyde (CAS 1190315-23-1)
Recommended Standards
- 5-(1h-1,2,3,4-Tetrazol-1-yl)pyridine-3-carboxylic acid (CAS 1341062-94-9)
- 2-Methyl-N-(2,2,2-trifluoroethyl)pyrimidin-4-amine (CAS 1342393-99-0)
- 2-Methoxy-6-(trifluoromethyl)aniline (CAS 133863-87-3)
- 4-Iodo-1-tosyl-1H-pyrazole (CAS 116228-40-1)
- 3-Phenyl-2-(thiophene-2-sulfonylamino)-propionic acid (CAS 82068-16-4)
- 2-Bromo-6-(trifluoromethyl)phenol (CAS 2844-05-5)
- N-(Thiophen-2-ylmethyl)benzamide (CAS 4595-96-4)
- 2,4,5-Trifluoronitrobenzene (CAS 2105-61-5)
- Methyl 5-bromo-6-chloro-1H-indole-3-carboxylate, 97% (CAS 1467059-91-1)
- Peptide 6A (H-6905.0005) (CAS 73549-32-3)
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 13829788188 / jacky.chen@cato-chem.com