3-(3-Bromo-4,5-dimethoxyphenyl)-6-(pyrrolidin-1-yl)-[1,2,4]triazolo[3,4-a]phthalazine CAS 87540-18-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 87540-18-9 |
| Molecular Formula | C21H20BrN5O2 |
| Molecular Weight | 454.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(3-Bromo-4,5-dimethoxyphenyl)-6-(pyrrolidin-1-yl)-[1,2,4]triazolo[3,4-a]phthalazine (CAS 87540-18-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C21H20BrN5O2. Molecular weight: 454.32 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C21H20BrN5O2 |
| Molecular Weight | 454.32 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 5 |
Related Bromo Standards
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- (E)-1-((4-bromo-3-methylphenyl)amino)-4-((2-fluoro-[1,1'-biphenyl]-4-yl)oxy)pent-1-en-3-one (CAS 477888-51-0)
- N-(2-Bromo-4,6-difluorophenyl)-2-((4-ethyl-5-(pyridin-2-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 618415-18-2)
- N-(2-Bromo-4,6-difluorophenyl)-2-((4-ethyl-5-(pyridin-3-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 573937-62-9)
- N-(2-Bromo-4,6-difluorophenyl)-2-((4-ethyl-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 577766-41-7)
- 4-Bromo-4'-[di(p-tolyl)amino]stilbene (CAS 101186-77-0)
- (R)-5-Bromo-1-methyl-2-tritylisoindoline (CAS 194805-14-6)
- methyl 7-bromo-8-(1-hydroxy-1-methyl-ethyl)-2-oxo-selenopheno[3,2-h]chromene-3-carboxylate (CAS 2173398-07-5)
Recommended Standards
- 4-[5-(2,4-Dichlorophenyl)-1H-pyrazol-3-yl]-1-{[3-(trifluoromethyl)phenyl]methyl}piperidine (CAS 1025724-79-1)
- 3,3''-Bis(trifluoromethyl)-[1,1':4',1''-terphenyl]-4,4''-dicarboxylic acid (CAS 2308530-30-3)
- Naphthalen-2-yl 2-(4-bromophenyl)quinoline-4-carboxylate (CAS 355433-81-7)
- 5-amino-2-fluoro-4-methyl-N-phenylbenzene-1-sulfonamide (CAS 1409737-58-1)
- 4-(Dimethylamino)-6-phenyl-2-(pyridin-3-yl)pyrimidine-5-carbonitrile (CAS 320417-70-7)
- 4-Chloro-6-(methylthio)-1,2-dihydro-3H-pyrazolo[3,4-d]pyrimidin-3-one (CAS 1211528-07-2)
- (S)-Benzyl (1-fluoro-2-(2-fluorophenyl)-4-oxobutan-2-yl)carbamate (CAS 2091721-25-2)
- (3-(Hydroxymethyl)phenyl)hydrazine (CAS 143445-58-3)
- N-Methyl-1-(3-methylquinoxalin-2-yl)methanamine (CAS 137898-63-6)
- Tirzepatide Impurity 43 (CAS CATO-C4X-324043)
Why CATO?
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