5,7-Dichloro-3-phenyl-3H-[1,2,3]triazolo[4,5-d]pyrimidine CAS 91321-85-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 91321-85-6 |
| Molecular Formula | C10H5Cl2N5 |
| Molecular Weight | 266.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5,7-Dichloro-3-phenyl-3H-[1,2,3]triazolo[4,5-d]pyrimidine (CAS 91321-85-6) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C10H5Cl2N5. Molecular weight: 266.09 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C10H5Cl2N5 |
| Molecular Weight | 266.09 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1983 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 5 |
Related Dichloro Standards
- 3-((4,6-Dichloro-1,3,5-triazin-2-yl)amino)benzonitrile (CAS 146887-21-0)
- 4,6-Dichloro-1-(pyridin-2-yl)-1H-pyrazolo[3,4-d]pyrimidine (CAS 2060595-41-5)
- 5,7-Dichloro-8-fluoro-2-thioxo-2,3-dihydropyrido[4,3-d]pyrimidin-4(1H)-one (CAS 2763157-89-5)
- N-(2,2-Dichloro-1-Hydroxyethyl)-2-(4-Fluorophenyl)Acetamide (CAS 1212-25-5)
- 4,8-Dichloro-6-(trifluoromethyl)quinoline (CAS 1065093-22-2)
- 4,6-Dichloro-8-(trifluoromethyl)quinoline (CAS 1065093-28-8)
- 4,5-Dichloro-8-(trifluoromethyl)quinoline (CAS 1065093-32-4)
- 3,4-Dichloro-8-(trifluoromethyl)quinoline (CAS 1204810-08-1)
Recommended Standards
- 4-Bromo-6-ethoxypyrazolo[1,5-a]pyridine-3-carbonitrile (CAS 2222653-69-0)
- 5-Bromo-1-(pyridin-2-ylmethyl)pyrazin-2(1h)-one (CAS 2092159-12-9)
- 4-Bromo-2-(pyridin-4-ylmethyl)pyridazin-3(2h)-one (CAS 2251054-36-9)
- 4-Cyclopropyl-1-methyl-1H-imidazole-2-carbonitrile (CAS 1403766-85-7)
- 1-(3-Mercapto)propyl-3,5,7,9,11,13,15-isobutylpentacyclo[9.5.1.13,9.15,15.17,13]octasiloxane 480438-85-5 Mercaptopropylisobutyl-POSS® POSS®-Mercaptopropyl-isobutyl substituted PSS-(3-Mercapto)propyl-Heptaisobutyl substituted (CAS 480438-85-5)
- N1-Methyl-N1-(thiazol-5-ylmethyl)ethane-1,2-diamine (CAS 1353983-79-5)
- 5-Chloro-N,N-dimethylpyrazin-2-amine (CAS 136309-13-2)
- 4-Fluoro-1H-pyrrolo[2,3-b]pyridine-3-carboxylic acid (CAS 1190314-95-4)
- Lovastatin EP Impurity A (CAS 73573-88-3)
- Insulin Degludec Impurity 17 (CAS CATO-C4X-215717)
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