DescriptionTirzepatide D-Thr5 impurity is a high-purity impurity reference standard designed for pharmaceutical quality control, analytical method development, and regulatory compliance testing of Tirzepatide. In this variant, the L-threonine at position...

DescriptionSemaglutide D-Glu3 impurity is a high-purity impurity reference standard designed for pharmaceutical quality control, analytical method development, and regulatory compliance testing of Semaglutide. In this variant, the L-glutamic acid at...

DescriptionTirzepatide D-Tyr1 impurity is a high-purity impurity reference standard designed for pharmaceutical quality control, analytical method development, and regulatory compliance testing of Tirzepatide. In this variant, the L-tyrosine at position...

Description Semaglutide D-His1 impurity is a high-purity impurity reference standard designed for pharmaceutical quality control, analytical method development, and regulatory compliance testing of Semaglutide. In this variant, the N-terminal L-histidine...

Description Pyrogallol is sensitive to air and light and may become grayish or darker after exposure. Laboratories handling this material therefore need a clearly defined assay specification, controlled impurity limits,...

Description In organic synthesis, analytical workflows, and sample preparation, residual water in organic solvents can significantly affect reaction yield, chromatographic resolution, and reproducibility. Sodium sulfate anhydrous (Na₂SO₄, ACS reagent grade)...

Synonym: benzimidazole, 1h-benzo d imidazole, 1,3-benzodiazole, benzoimidazole, o-benzimidazole, 3-azaindole, benziminazole, benzoglyoxaline, azindole, 1,3-diazaindene Description Benzimidazole is a heterocyclic aromatic compound widely used as a key intermediate in organic synthesis, pharmaceutical...

Description A white or off-white crystalline solid with a slight acetic acid odor. Hygroscopic in nature.Easily soluble in water, soluble in ethanol.pH: 7.5–9.0 (50g/L, H₂O, 25°C)Melting point: 324°C (decomposes)Boiling point:...