1-(4-(4-Amino-2-methoxy-5-oxo-7,8-dihydropyrido[4,3-d]pyrimidin-6(5H)-yl)phenyl)cyclopentanecarbonitrile CAS 1956321-55-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1956321-55-3 |
| Molecular Formula | C20H21N5O2 |
| Molecular Weight | 363.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(4-(4-Amino-2-methoxy-5-oxo-7,8-dihydropyrido[4,3-d]pyrimidin-6(5H)-yl)phenyl)cyclopentanecarbonitrile (CAS 1956321-55-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C20H21N5O2. Molecular weight: 363.41 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C20H21N5O2 |
| Molecular Weight | 363.41 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Nitrogen Atoms | 5 |
Related Amino Standards
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- Benzyl 2-amino-4-(benzyloxy)-5-methoxybenzoate, 97% (CAS 205259-41-2)
- 3-Amino-N-(2-methoxyphenyl)-4-(morpholin-4-yl)benzene-1-sulfonamide (CAS 328028-16-6)
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- (2Z)-2-Amino-3-[(E)-({2-[(4-methylphenyl)sulfanyl]-5-nitrophenyl}methylidene)amino]but-2-enedinitrile (CAS 1024776-21-3)
Recommended Standards
- 5-{[(9H-fluoren-9-yl)methoxy]carbonyl}-5-azaspiro[2.4]heptane-1-carboxylic acid (CAS 1936276-26-4)
- (1R,5R,6R)-3-(((9H-Fluoren-9-yl)methoxy)carbonyl)-3-azabicyclo[3.2.0]heptane-6-carboxylic acid (CAS 2137145-12-9)
- 2-{[(9H-fluoren-9-yl)methoxy]carbonyl}-2-azabicyclo[2.2.1]heptane-3-carboxylic acid (CAS 1934380-19-4)
- N-{4-[(3-{imidazo[1,2-a]pyridin-2-yl}phenyl)sulfamoyl]phenyl}acetamide (CAS 537021-04-8)
- 2,7-Dichloro-3-(chloromethyl)-8-methylquinoline (CAS 948292-24-8)
- Aripiprazole Impurity 2 (CAS CATO-C4X-10082)
- 6-Bromo-2-fluoro-3-isopropoxybenzoic acid (CAS 2413441-26-4)
- 3-Cyclopropoxy-6-(trifluoromethyl)picolinic acid (CAS 1243400-86-3)
- ((2R,3S,4R,5S)-3,4,5-Trihydroxytetrahydro-2H-pyran-2-yl)methyl dihydrogen phosphate (CAS 17659-59-5)
- Semaglutide impurity 272 (CAS CATO-C4X-2226272)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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