(2R,3S,4R,5R)-2-(Hydroxymethyl)-5-(6-((2-methoxy-5-nitrobenzyl)thio)-9H-purin-9-yl)tetrahydrofuran-3,4-diol CAS 67055-84-9
| CAS No. | 67055-84-9 |
| Molecular Formula | C18H19N5O7S |
| Molecular Weight | 449.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, (2R,3S,4R,5R)-2-(Hydroxymethyl)-5-(6-((2-methoxy-5-nitrobenzyl)thio)-9H-purin-9-yl)tetrahydrofuran-3,4-diol (C18H19N5O7S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 449.44 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.
CATO supplies (2R,3S,4R,5R)-2-(Hydroxymethyl)-5-(6-((2-methoxy-5-nitrobenzyl)thio)-9H-purin-9-yl)tetrahydrofuran-3,4-diol (CAS 67055-84-9), a certified reference material (molecular formula C18H19N5O7S, MW 449.44 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C18H19N5O7S |
| Molecular Weight | 449.44 g/mol |
| 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
Recommended Standards
- (5-((3,5-Dichlorophenyl)thio)-4-isopropyl-1-(4-phenylbutyl)-1H-imidazol-2-yl)methanol (CAS 178980-16-0)
- 2-((2,6-Dichlorobenzyl)thio)-5-((naphthalen-1-ylmethyl)thio)-1,3,4-thiadiazole (CAS 476484-10-3)
- Nilotinib Impurity 44 (CAS CATO-C4X-125644)
- 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3,4,5-trimethoxybenzoic acid (CAS 1185303-03-0)
- 2-Chloro-n-[5-chloro-2-(1h-1,2,4-triazol-1-yl)phenyl]acetamide (CAS 792953-83-4)
- N-methyl-4-(propan-2-yl)cyclohexan-1-amine hydrochloride (CAS 1803603-48-6)
- 3-((2-(Piperidin-1-yl)thiazol-5-yl)methylene)indolin-2-one (CAS 860784-41-4)
- 1-(Tetrahydro-2H-pyran-3-carbonyl)azetidine-3-carboxylic acid (CAS 1344061-95-5)
- tert-Butyl 6-chloro-4,4-difluoro-3,4-dihydroisoquinoline-2(1H)-carboxylate (CAS 2845281-71-0)
- 1,2-Difluoro-4-nitro-5-(trifluoromethyl)benzene (CAS 117392-82-2)
- n,3-Diethyl-1,2,4-oxadiazol-5-amine (CAS 1249521-06-9)
- tert-Butyl 5-formylpyrazine-2-carboxylate (CAS 1174321-08-4)
- 6-bromo-[1,2,4]triazolo[1,5-b]pyridazin-2-amine (CAS 1640120-88-2)
- Tirzepatide Impurity 34 (CAS CATO-C4X-324034)
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