8-Chloro-[1,2,3,4]tetrazolo[1,5-a]pyrazine CAS 77888-19-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 77888-19-8 |
| Molecular Formula | C4H2ClN5 |
| Molecular Weight | 155.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 8-Chloro-[1,2,3,4]tetrazolo[1,5-a]pyrazine (CAS 77888-19-8) pharmaceutical standards reference standard. Molecular formula: C4H2ClN5. Molecular weight: 155.55 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C4H2ClN5 |
| Molecular Weight | 155.55 g/mol |
| Appearance | Off-white to pale 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) | 6.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1979 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 5 |
Related Chloro Standards
- 5-Chloro-[1,2,3,4]tetrazolo[1,5-a]pyrazine (CAS 1210210-69-7)
- 8-Chloro-[1,2,4]triazolo[3,4-f][1,2,4]triazine (CAS 1359655-72-3)
- 5-chloro-2H-[1,2,3]triazolo[4,5-d]pyrimidine (CAS 2634677-10-2)
- 6-Chloro-[1,2,3,4]tetrazolo[1,5-b]pyridazine (CAS 21413-15-0)
- 3-Chloro-2-fluorophenylisocyanide (CAS 1030269-27-2)
- 4-Chloro-3-fluorobenzonitrile (CAS 110888-15-8)
- 3-Chloro-4-fluorobenzonitrile (CAS 117482-84-5)
- 2-Chloro-4-ethynyl-5-fluoropyridine (CAS 1211539-66-0)
Recommended Standards
- Favipiravir Impurity 15 (CAS CATO-C4X-210215)
- 2-Chloro-4-ethynyl-3-fluoropyridine (CAS 1211589-16-0)
- 6-Chloro-2-oxo-1,2-dihydropyrimidine-5-carbonitrile (CAS 2091123-16-7)
- (E)-hex-2-en-1-yl (E)-hex-2-enoate (CAS 54845-28-2)
- Naratriptan USP Related Compound B (Oxalate salt) (CAS 121679-21-8)
- 2-(Butylthio)-4-(2-chlorophenyl)-6-oxo-1,4,5,6-tetrahydropyridine-3-carbonitrile (CAS 375352-62-8)
- (S)-2-Amino-pent-4-enoic acid methyl ester (CAS 50299-15-5)
- (2-aminoethyl)(methyl)propylamine (CAS 51218-21-4)
- Benzyl 2-amino-6-azaspiro[3.4]Octane-6-carboxylate (CAS 1420842-68-7)
- Semaglutide Impurity 8 (CAS CATO-C4X-22268)
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