5-Cyclopentyl-5-((9-((2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-9H-purin-6-yl)amino)pentanoic acid CAS 365533-72-8
| CAS No. | 365533-72-8 |
| Molecular Formula | C20H29N5O5 |
| Molecular Weight | 419.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 5-Cyclopentyl-5-((9-((2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-9H-purin-6-yl)amino)pentanoic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
5-Cyclopentyl-5-((9-((2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-9H-purin-6-yl)amino)pentanoic acid (CAS 365533-72-8) is a high-purity analytical reference standard with the molecular formula C20H29N5O5 and a molecular weight of 419.47 g/mol.
Based on its molecular formula C20H29N5O5, 5-Cyclopentyl-5-((9-((2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-9H-purin-6-yl)amino)pentanoic acid contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 419.47 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C20H29N5O5 |
| Molecular Weight | 419.47 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 5 |
Related Cyclopentyl Standards
- N-cyclopentyl-1-(4-hydroxy-7-phenylthieno[3,2-d]pyrimidin-2-yl)piperidine-3-carboxamide (CAS 1242960-46-8)
- 3-Cyclopentyl-N-(2-(phenylsulfonyl)-1,2,3,4-tetrahydroisoquinolin-7-yl)propanamide (CAS 954638-46-1)
- 2-Cyclopentyl-N-(3-((4-(4-fluorophenyl)piperazin-1-yl)sulfonyl)propyl)acetamide (CAS 1049342-52-0)
- 3-Cyclopentyl-N-(2-((4-(4-fluorophenyl)piperazin-1-yl)sulfonyl)ethyl)propanamide (CAS 897618-52-9)
- Cyclopentyl 2-thiomethylphenyl ketone (CAS 898791-42-9)
- 3-(6-(5-(1-Cyclopentyl-1H-pyrazol-4-yl)-1H-pyrrolo[2,3-b]pyridin-3-yl)pyridin-2-yl)pentanenitrile (CAS 1956379-63-7)
- N-Cyclopentyl-1-(3-ethoxypropyl)-2-imino-5-oxo-2,5-dihydro-1H-dipyrido[1,2-a:2',3'-d]pyrimidine-3-carboxamide (CAS 510733-31-0)
- N-Cyclopentyl-2-((6-((4-(furan-2-carbonyl)piperazin-1-yl)methyl)-4-oxo-4H-pyran-3-yl)oxy)acetamide (CAS 898417-61-3)
Recommended Standards
- 4-Fluoro-N'-[1-(4-methylbenzenesulfonyl)piperidine-4-carbonyl]benzohydrazide (CAS 478030-16-9)
- 7-(4-Methoxyphenoxy)-3-phenyl-2-(pyridin-4-ylmethyl)-1H-inden-1-one (CAS 337921-56-9)
- 2-((4-Oxo-6-((4-phenylpiperazin-1-yl)methyl)-4H-pyran-3-yl)oxy)-N-phenylacetamide (CAS 898440-53-4)
- 7-(4-Methoxyphenoxy)-3-phenyl-2-[(pyridin-2-yl)methyl]-1H-inden-1-one (CAS 337921-53-6)
- 3-Iodo-1-methyl-1H-pyrazole-4-carbaldehyde (CAS 1946818-23-0)
- 7-Bromo-1H-indol-2-amine hydrochloride (CAS 2416262-96-7)
- 4-(Trifluoromethyl)benzo[b]thiophene-2-carbonitrile (CAS 2115333-67-8)
- N-diazomethanesulfonamide (CAS 1516-70-7)
- 2-(3-Chlorophenyl)-5-methylbenzo[d]thiazole (CAS 1242303-21-4)
- 2-(2-Aminophenyl)-2-methylpropanenitrile (CAS 1314667-39-4)
- C6-Bis-phosphoramidic acid diethyl ester (CAS 1446282-35-4)
- 2-Bromo-3-(difluoromethyl)-5-methoxyisonicotinaldehyde (CAS 1804955-55-2)
- (6-Chloro-5-methylpyridin-3-yl)methylamine hydrochloride (CAS 1257535-53-7)
- Semaglutide impurity 58 (CAS CATO-C4X-222658)
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