Carbethoxymethyl)triphenyl Phosphonium Bromide (CAS No: 1530-45-6) is a high-quality phosphonium salt widely used in organic synthesis and Wittig reactions. Available with reliable purity, consistent performance, and suitable for research and industrial applications. https://nsrlaboratories.com/product/carbethoxymethyltriphenyl-phosphonium-bromide-cas-no-1530-45-6/