(2R,3R,4S,5S)-2-(6-Amino-9H-purin-9-yl)-5-((benzylthio)methyl)tetrahydrofuran-3,4-diol CAS 5135-39-7
| CAS No. | 5135-39-7 |
| Molecular Formula | C17H19N5O3S |
| Molecular Weight | 373.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(2R,3R,4S,5S)-2-(6-Amino-9H-purin-9-yl)-5-((benzylthio)methyl)tetrahydrofuran-3,4-diol (CAS 5135-39-7), molecular formula C17H19N5O3S and molecular weight 373.43 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (2R,3R,4S,5S)-2-(6-Amino-9H-purin-9-yl)-5-((benzylthio)methyl)tetrahydrofuran-3,4-diol (C17H19N5O3S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 373.43 g/mol, it falls into the moderately-high-molecular-weight range. 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.
As a certified reference material (CRM), (2R,3R,4S,5S)-2-(6-Amino-9H-purin-9-yl)-5-((benzylthio)methyl)tetrahydrofuran-3,4-diol 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.
Physical & Chemical Properties
| Molecular Formula | C17H19N5O3S |
| Molecular Weight | 373.43 g/mol |
| 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.) | 1958 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
Recommended Standards
- Tert-butyl (R)-2-(3-((3,3,3-trifluoropropyl)sulfonyl)propyl)pyrrolidine-1-carboxylate (CAS 1670273-30-9)
- 1-((4-Acetamidophenyl)amino)-1-oxopropan-2-yl 2-(methylthio)nicotinate (CAS 438007-48-8)
- Tert-butyl (S)-2-(3-((3,3,3-trifluoropropyl)sulfonyl)propyl)pyrrolidine-1-carboxylate (CAS 1670273-29-6)
- 1-Methyl-3-ethyl-5-[2-(3-(2-carboxyethyl)-benzoxazol-2-ylidene)-ethylidene]-2-thioxo-imidazolidin-4-one (CAS 219556-03-3)
- (2R,3R,4R,5R)-2-(2-Amino-6-methoxy-9H-purin-9-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol (CAS 34793-34-5)
- tert-Butyl 3-[(3-methoxypropyl)amino]-2-methylpropanoate (CAS 1221346-40-2)
- 4-Acetoxy-3-(cyclopropylmethoxy)benzoic acid (CAS 1883347-32-7)
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- 4-(((3-Methoxy-1-methyl-1H-pyrazol-4-yl)amino)methyl)benzene-1,3-diol hydrochloride (CAS 1856022-29-1)
- Tau Peptide (274-288) trifluoroacetate salt (CAS 330456-39-8)
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