3-(6-Chloro-[1,2,4]triazolo[3,4-a]phthalazin-3-yl)-5-methylisoxazole CAS 215874-89-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 215874-89-8 |
| Molecular Formula | C13H8ClN5O |
| Molecular Weight | 285.69 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(6-Chloro-[1,2,4]triazolo[3,4-a]phthalazin-3-yl)-5-methylisoxazole (CAS 215874-89-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H8ClN5O. Molecular weight: 285.69 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C13H8ClN5O |
| Molecular Weight | 285.69 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2018 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 5 |
Related Chloro Standards
- 9-Chloro-2-(furan-2-yl)-[1,2,4]triazolo[1,5-c]quinazolin-5-amine (CAS 104615-18-1)
- 2-Chloro-3-(pyrimidin-2-ylamino)naphthalene-1,4-dione (CAS 120983-27-9)
- C-(4-Chloro-4'-(trifluoromethyl)biphenyl-3-yl)-methylamine (CAS 1261499-56-2)
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Recommended Standards
- 11-(Chloromethyl)-12-formyl-13-oxo-1,8-diazatricyclo[7.4.0.0,2,7]trideca-2,4,6,9,11-pentaene-10-carbonitrile (CAS 571155-05-0)
- 1,6-Diamino-4-(2-chlorophenyl)-2-oxo-1,2-dihydropyridine-3,5-dicarbonitrile (CAS 79388-09-3)
- (4-Chlorophenyl)(5-(pyridin-4-yl)-1,3,4-oxadiazol-2-yl)methanone (CAS 380423-28-9)
- 6-Methoxychromane-3-carboxylic acid (CAS 182570-26-9)
- (E)-3-(2-(3,4-difluorophenoxy)phenyl)acrylic acid (CAS 338393-76-3)
- 7H-pyrrolo[2,3-d]pyrimidine-2-carboxylic acid (CAS 1314723-98-2)
- A,A-Diphenyl-benzeneacetaldehyde (CAS 42365-04-8)
- 1,3-Dimethyl-2-propylhexahydropyrimidine (CAS 500886-57-7)
- 6,8-Dimethoxy-1,7-dimethyl-1H-purin-2(7H)-one (CAS 817631-48-4)
- Semaglutide impurity 39 (CAS CATO-C4X-222639)
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