2-Amino-9-((2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-8-(p-tolylamino)-1H-purin-6(9H)-one CAS 126788-73-6
| CAS No. | 126788-73-6 |
| Molecular Formula | C17H20N6O4 |
| Molecular Weight | 372.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C17H20N6O4, 2-Amino-9-((2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-8-(p-tolylamino)-1H-purin-6(9H)-one 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 372.38 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
2-Amino-9-((2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-8-(p-tolylamino)-1H-purin-6(9H)-one (CAS 126788-73-6), molecular formula C17H20N6O4 and molecular weight 372.38 g/mol, is a CATO reference standard with documented purity and traceability.
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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C17H20N6O4 |
| Molecular Weight | 372.38 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Nitrogen Atoms | 6 |
Related Amino Standards
- 7-(6-Amino-9-((2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-9H-purin-2-yl)hept-6-ynenitrile (CAS 403731-18-0)
- Methyl 2-amino-7,7-dimethyl-4-(3-nitrophenyl)-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carboxylate (CAS 303953-38-0)
- Methyl 6-amino-5-cyano-4-(4-ethoxyphenyl)-2-(2-methoxy-2-oxoethyl)-4H-pyran-3-carboxylate (CAS 865660-07-7)
- (4-((S)-2-amino-3-oxo-3-(((2S,3R,4R,5R)-2,3,4,5,6-pentahydroxyhexyl)oxy)propyl)phenyl)boronic-10B acid (CAS CATO-C3D-263061)
- 4-Amino-7-fluoro-N-(3,4,5-trimethoxyphenyl)cinnoline-3-carboxamide (CAS 187231-60-3)
- 3-Amino-1-(3,4-dimethoxybenzyl)-4-(3,4-dimethoxyphenyl)azetidin-2-one (CAS 1291487-57-4)
- 2-Amino-4-(2-(benzyloxy)phenyl)-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile (CAS 337499-03-3)
- 2-Amino-6-(morpholinomethyl)-4-phenyl-5H-indeno[1,2-d]pyrimidin-5-one (CAS 713514-97-7)
Recommended Standards
- 7-Methoxy-2-(pyrrolidin-1-yl)-3-[3-(trifluoromethyl)phenyl]quinoline (CAS 1252003-94-3)
- (2R,3R,4S,5R)-2-(2-Amino-6-(benzylamino)-9H-purin-9-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol (CAS 26783-32-4)
- (R)-2-Acetamido-3-((2-amino-4-(5-nitrofuran-2-yl)thiazol-5-yl)thio)propanoic acid (CAS 113790-27-5)
- (E)-6-(2-((2,5-dimethoxyphenyl)amino)vinyl)pyrazolo[1,5-a]pyrido[3,4-e]pyrimidine-3-carbonitrile (CAS 338966-87-3)
- Methyl 5-phenyl-2H-1,2,6-thiadiazine-3-carboxylate 1,1-dioxide (CAS 899540-02-4)
- 3-Bromo-5-nitrobenzoic acid hydrazide (CAS 374671-07-5)
- (Sar1)-Angiotensin II (CAS 51833-69-3)
- 5-(2,5-Difluorophenyl)picolinic acid (CAS 1261947-80-1)
- 3-(4-Chloro-1-tosyl-1H-pyrrolo[2,3-b]pyridin-5-yl)propanal (CAS 1310731-78-2)
- 6-Bromo-2-[(e)-2-(furan-2-yl)ethenyl]quinoline-4-carboxylic acid (CAS 926221-54-7)
- Triethylenetetramine Tetrahydrochloride (CAS 4961-40-4)
- N-Cyclohexyl-3-(1-tosylpyrrolidin-2-yl)pyridin-2-amine (CAS 1352531-90-8)
- N*1*-Cyclopentyl-N*1*-methyl-ethane-1,2-diaminedihydrochloride (CAS 1185300-20-2)
- TAT 14 Peptide (Nrf2 Activator III) (CAS 1362661-34-4)
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