((2R,3S,5R)-5-(2,6-Dioxo-2,3-dihydro-1H-purin-9(6H)-yl)-3-hydroxytetrahydrofuran-2-yl)methyl dihydrogen phosphate CAS 5187-90-6

Purity 97%+In StockPharmaceutical Standards
CAS No.5187-90-6
Molecular FormulaC10H13N4O8P
Molecular Weight348.21 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

((2R,3S,5R)-5-(2,6-Dioxo-2,3-dihydro-1H-purin-9(6H)-yl)-3-hydroxytetrahydrofuran-2-yl)methyl dihydrogen phosphate CAS 5187-90-6 chemical structure

Description

As a certified reference material (CRM), ((2R,3S,5R)-5-(2,6-Dioxo-2,3-dihydro-1H-purin-9(6H)-yl)-3-hydroxytetrahydrofuran-2-yl)methyl dihydrogen phosphate 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.

((2R,3S,5R)-5-(2,6-Dioxo-2,3-dihydro-1H-purin-9(6H)-yl)-3-hydroxytetrahydrofuran-2-yl)methyl dihydrogen phosphate (CAS 5187-90-6) is a high-purity analytical reference standard with the molecular formula C10H13N4O8P and a molecular weight of 348.21 g/mol.

Structurally, ((2R,3S,5R)-5-(2,6-Dioxo-2,3-dihydro-1H-purin-9(6H)-yl)-3-hydroxytetrahydrofuran-2-yl)methyl dihydrogen phosphate (C10H13N4O8P) contains a carbohydrate-derived structure, an amide group, a phosphate ester group. The molecule exhibits a degree of unsaturation (DBE) of 6.5, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 348.21 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.

Physical & Chemical Properties

Molecular FormulaC10H13N4O8P
Molecular Weight348.21 g/mol
AppearanceOff-white to pale yellow crystalline powder. (faint amine-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)6.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1958
Nitrogen Atoms4

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