(2R,4aR,7R,8S,8aS)-7-(2-Amino-6-chloro-9H-purin-9-yl)-2-phenylhexahydropyrano[3,2-d][1,3]dioxin-8-ol CAS 705967-79-9

Purity 97%+In StockPharmaceutical Standards
CAS No.705967-79-9
Molecular FormulaC18H18ClN5O4
Molecular Weight403.82 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(2R,4aR,7R,8S,8aS)-7-(2-Amino-6-chloro-9H-purin-9-yl)-2-phenylhexahydropyrano[3,2-d][1,3]dioxin-8-ol CAS 705967-79-9 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 403.82 g/mol gives (2R,4aR,7R,8S,8aS)-7-(2-Amino-6-chloro-9H-purin-9-yl)-2-phenylhexahydropyrano[3,2-d][1,3]dioxin-8-ol distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies (2R,4aR,7R,8S,8aS)-7-(2-Amino-6-chloro-9H-purin-9-yl)-2-phenylhexahydropyrano[3,2-d][1,3]dioxin-8-ol (CAS 705967-79-9), a certified reference material (molecular formula C18H18ClN5O4, MW 403.82 g/mol) for analytical method development and quality control.

The molecular framework of (2R,4aR,7R,8S,8aS)-7-(2-Amino-6-chloro-9H-purin-9-yl)-2-phenylhexahydropyrano[3,2-d][1,3]dioxin-8-ol (C18H18ClN5O4) is characterized by a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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.

CATO manufactures (2R,4aR,7R,8S,8aS)-7-(2-Amino-6-chloro-9H-purin-9-yl)-2-phenylhexahydropyrano[3,2-d][1,3]dioxin-8-ol under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC18H18ClN5O4
Molecular Weight403.82 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor)
Purity97%+
StorageStore in a cool place (≤25°C), protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1985
Halogen ContentCl-containing
Nitrogen Atoms5

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