rel-(1R,2R,3S,4S)-Cyclobutane-1,2,3,4-tetracarboxylic acid CAS 38841-00-8

Purity 97%+In StockPharmaceutical Standards
CAS No.38841-00-8
Molecular FormulaC8H8O8
Molecular Weight232.14 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

rel-(1R,2R,3S,4S)-Cyclobutane-1,2,3,4-tetracarboxylic acid CAS 38841-00-8 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 232.14 g/mol gives rel-(1R,2R,3S,4S)-Cyclobutane-1,2,3,4-tetracarboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

rel-(1R,2R,3S,4S)-Cyclobutane-1,2,3,4-tetracarboxylic acid (CAS 38841-00-8), molecular formula C8H8O8 and molecular weight 232.14 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C8H8O8, rel-(1R,2R,3S,4S)-Cyclobutane-1,2,3,4-tetracarboxylic acid contains a carbohydrate-derived structure; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 232.14 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).

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 FormulaC8H8O8
Molecular Weight232.14 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore in a cool place (≤25°C), keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1968

Recommended Standards

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