8,9-Dimethoxy-3-methyl-[1,2,4]triazolo[3,4-a]isoquinoline CAS 28401-89-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 28401-89-0 |
| Molecular Formula | C13H13N3O2 |
| Molecular Weight | 243.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 8,9-Dimethoxy-3-methyl-[1,2,4]triazolo[3,4-a]isoquinoline (CAS 28401-89-0), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C13H13N3O2. Molecular weight: 243.26 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C13H13N3O2 |
| Molecular Weight | 243.26 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°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 |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
| Nitrogen Atoms | 3 |
Related Dimethoxy Standards
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- 5,8-Dimethoxy-1,2,3,4-tetrahydroacridine (CAS 67188-32-3)
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- 1,2-Dimethoxy-1,2-diphenylethane (CAS 3962-43-4)
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Recommended Standards
- 6-Methyl-4-oxo-1-(m-tolyl)-1,4-dihydropyridine-3-carboxylic acid (CAS 74270-65-8)
- 9-Methyl-1-oxo-6,7-dihydro-1H,5H-pyrido[3,2,1-ij]-quinoline-2-carboxylic acid (CAS 667413-07-2)
- 6-Methoxy-7,8,9,10-tetrahydro-6H-[1,2,5]oxadiazolo[3,4-c]carbazole (CAS 255865-29-3)
- 2-[(6-Acetamidopyridin-3-yl)sulfanyl]-N-(4-methoxyphenyl)pyridine-3-carboxamide (CAS 343373-15-9)
- 1-(1-Propyl-1H-1,2,3-triazol-4-yl)ethan-1-one (CAS 1849227-01-5)
- Dimethyl 3-Bromo-5-fluorobenzamide (CAS 1235568-08-7)
- 1H-Inden-7-amine (CAS 1314961-95-9)
- N,N-Diethylpropionamide (CAS 1114-51-8)
- 1,5-Dimethyl-2-phenyl-1,2-dihydro-3H-pyrazole-3-thione (CAS 5702-69-2)
- D-[Phe]6-Semaglutide (CAS CATO-CPTD788633)
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