9575Q08390 938444-93-0 D-106669 UNII-9575Q08390 Urea, N-ethyl-N'-(3-((4-methylphenyl)amino)pyrido(2,3-b)pyrazin-6-yl)- CAS 938444-93-0

Purity 97%+In StockPharmaceutical Standards
CAS No.938444-93-0
Molecular FormulaC17H18N6O
Molecular Weight322.36 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

9575Q08390
938444-93-0
D-106669
UNII-9575Q08390
Urea, N-ethyl-N'-(3-((4-methylphenyl)amino)pyrido(2,3-b)pyrazin-6-yl)- CAS 938444-93-0 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 9575Q08390 938444-93-0 D-106669 UNII-9575Q08390 Urea, N-ethyl-N'-(3-((4-methylphenyl)amino)pyrido(2,3-b)pyrazin-6-yl)-.

9575Q08390 938444-93-0 D-106669 UNII-9575Q08390 Urea, N-ethyl-N'-(3-((4-methylphenyl)amino)pyrido(2,3-b)pyrazin-6-yl)- (CAS 938444-93-0), molecular formula C17H18N6O and molecular weight 322.36 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 9575Q08390 938444-93-0 D-106669 UNII-9575Q08390 Urea, N-ethyl-N'-(3-((4-methylphenyl)amino)pyrido(2,3-b)pyrazin-6-yl)- (C17H18N6O) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 322.36 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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), 9575Q08390 938444-93-0 D-106669 UNII-9575Q08390 Urea, N-ethyl-N'-(3-((4-methylphenyl)amino)pyrido(2,3-b)pyrazin-6-yl)- 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 FormulaC17H18N6O
Molecular Weight322.36 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Nitrogen Atoms6

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