Tetrazolo[5,1-α]phthalazine CAS 234-82-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 234-82-2 |
| Molecular Formula | C8H5N5 |
| Molecular Weight | 171.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Tetrazolo[5,1-α]phthalazine (CAS 234-82-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C8H5N5. Molecular weight: 171.16 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C8H5N5 |
| Molecular Weight | 171.16 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 5 |
Related Tetrazolo Standards
- Tetrazolo[1,5-b]pyridazine-6-carboxylic acid (CAS 2763850-46-8)
- 5-Methyl-[1,2,3,4]tetrazolo[1,5-a]pyridino-6-boronic acid (CAS 2377607-57-1)
- Tetrazolo[1,5-a]pyridine-7-carboxylic acid (CAS 120613-46-9)
- Tetrazolo[1,5-a]pyridine-5-carboxylic acid (CAS 7477-12-5)
- Tetrazolo[1,5-a]pyridine-8-carboxylicacid (CAS 7463-56-1)
- [1,2,3,4]Tetrazolo[1,5-a]pyridino-8-boronic acid (CAS 2377607-62-8)
- 1-(Tetrazolo[1,5-a]pyridin-6-yl)ethanone (CAS 84331-01-1)
- Tetrazolo[1,5-a]quinoxalin-4-amine (CAS 61148-29-6)
Recommended Standards
- Sodium 4,4'-(3-oxo-1,3-dihydroisobenzofuran-1,1-diyl)bis(2-isopropyl-5-methylphenolate) (CAS 63717-20-4)
- N-Nitroso Vilazodone Impurity 9 (CAS CATO-C4X-13559)
- N1-(4-Nitro-1H-imidazol-5-yl)ethane-1,2-diamine (CAS 573986-91-1)
- (1-amino-3,3-dimethylcyclohexyl)methanol hydrochloride (CAS 2031268-94-5)
- 4,4'-(Naphthalene-1,3-diylbis(oxy))dianiline (CAS 328914-58-5)
- Molsidomine Impurity 1 (CAS 16142-26-0)
- 132587-60-1 Bruceanic acid C 3,10-Ethano-1H,8H-furo(3,4-d)(1)benzopyran-9-acetic acid, 8-acetyl-4-((4-(acetyloxy)-3,4-dimethyl-1-oxo-2-pentenyl)oxy)octahydro-11,12-dihydroxy-3-(methoxycarbonyl)-9-methyl-5-oxo-, (3S-(3alpha,3aalpha,4alpha(E),6aalpha,8alpha,9beta,10alpha,10aS*,11S*,12R*))- (CAS 132587-60-1)
- 2-((2-Fluorobenzyl)thio)pyrimidine-4,6-diamine (CAS 639003-52-4)
- 2-Fluoro-6-iodo-1H-benzo[d]imidazole (CAS 1804172-84-6)
- Semaglutide impurity 66 (CAS CATO-C4X-222666)
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