5-(Benzo[d][1,3]dioxol-5-yl)-1,3-dimethyl-7-phenylpyrimido[4,5-d]pyrimidine-2,4(1H,3H)-dione CAS 70387-38-1

Purity 97%+In StockPharmaceutical Standards
CAS No.70387-38-1
Molecular FormulaC20H34O3
Molecular Weight322.48 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-(Benzo[d][1,3]dioxol-5-yl)-1,3-dimethyl-7-phenylpyrimido[4,5-d]pyrimidine-2,4(1H,3H)-dione CAS 70387-38-1 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 322.48 g/mol gives 5-(Benzo[d][1,3]dioxol-5-yl)-1,3-dimethyl-7-phenylpyrimido[4,5-d]pyrimidine-2,4(1H,3H)-dione distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

5-(Benzo[d][1,3]dioxol-5-yl)-1,3-dimethyl-7-phenylpyrimido[4,5-d]pyrimidine-2,4(1H,3H)-dione (CAS 70387-38-1), molecular formula C20H34O3 and molecular weight 322.48 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a steroid core, a hydroxyl group, an ether linkage, 5-(Benzo[d][1,3]dioxol-5-yl)-1,3-dimethyl-7-phenylpyrimido[4,5-d]pyrimidine-2,4(1H,3H)-dione is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 322.48 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).

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.

As a certified reference material (CRM), 5-(Benzo[d][1,3]dioxol-5-yl)-1,3-dimethyl-7-phenylpyrimido[4,5-d]pyrimidine-2,4(1H,3H)-dione 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 FormulaC20H34O3
Molecular Weight322.48 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at room temperature, keep sealed and dry
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1977

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