(2S-​cis)​-1,​2,​3,​4,​6,​11-​Hexahydro-​2,​4,​5,​12-​tetrahydroxy-​7-​methoxy-​6,​11-​dioxo-2-​Naphthacenecarboxyli​c Acid Methyl Ester CAS 58199-99-8

Purity 97%+In StockPharmaceutical Standards
CAS No.58199-99-8
Molecular FormulaC21H18O9
Molecular Weight414.36 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(2S-​cis)​-1,​2,​3,​4,​6,​11-​Hexahydro-​2,​4,​5,​12-​tetrahydroxy-​7-​methoxy-​6,​11-​dioxo-2-​Naphthacenecarboxyli​c Acid Methyl Ester CAS 58199-99-8 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including (2S-​cis)​-1,​2,​3,​4,​6,​11-​Hexahydro-​2,​4,​5,​12-​tetrahydroxy-​7-​methoxy-​6,​11-​dioxo-2-​Naphthacenecarboxyli​c Acid Methyl Ester.

(2S-​cis)​-1,​2,​3,​4,​6,​11-​Hexahydro-​2,​4,​5,​12-​tetrahydroxy-​7-​methoxy-​6,​11-​dioxo-2-​Naphthacenecarboxyli​c Acid Methyl Ester (CAS 58199-99-8), molecular formula C21H18O9 and molecular weight 414.36 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a flavonoid core, a hydroxyl group, an ether linkage, (2S-​cis)​-1,​2,​3,​4,​6,​11-​Hexahydro-​2,​4,​5,​12-​tetrahydroxy-​7-​methoxy-​6,​11-​dioxo-2-​Naphthacenecarboxyli​c Acid Methyl Ester is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 414.36 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.

As a certified reference material (CRM), (2S-​cis)​-1,​2,​3,​4,​6,​11-​Hexahydro-​2,​4,​5,​12-​tetrahydroxy-​7-​methoxy-​6,​11-​dioxo-2-​Naphthacenecarboxyli​c Acid Methyl Ester 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 FormulaC21H18O9
Molecular Weight414.36 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at room temperature, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)13.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1973

Recommended Standards

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