6-Acetyl-5-(4-chlorophenyl)-1,3,7-trimethyl-5,8-dihydropyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione CAS 838845-69-5

Description

The occurrence of 6-Acetyl-5-(4-chlorophenyl)-1,3,7-trimethyl-5,8-dihydropyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione is closely related to a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

CATO supplies 6-Acetyl-5-(4-chlorophenyl)-1,3,7-trimethyl-5,8-dihydropyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione (CAS 838845-69-5), a certified reference material (molecular formula C18H18ClN3O3, MW 359.81 g/mol) for analytical method development and quality control.

Structurally, 6-Acetyl-5-(4-chlorophenyl)-1,3,7-trimethyl-5,8-dihydropyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione (C18H18ClN3O3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 359.81 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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), 6-Acetyl-5-(4-chlorophenyl)-1,3,7-trimethyl-5,8-dihydropyrido[2,3-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

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