Pharmaceutical Reference Materials, QC Reference Materials - Chemistry Aspartame Part # PH1941 USP Traceable QC Reference Material Aspartame CAS No. 22839-47-0. read more This product is available for purchase on our new website at zeptometrix.com. Order online today or call our team at +1.800.274.5487. Catalog Number: PH1941 Tags: pharmaceutical standard, USP tag Size 1 gram Analyte COA's MSDS/SDS Analyte Salicylic Acid CAS #69-72-7 COA's MSDS/SDS Related products Quick View Add to cart Compare Pharmaceutical Reference Materials Benzoic Acid Part#PH541 Quick View Add to cart Compare Pharmaceutical Reference Materials Mannitol Part#PH410 Quick View Choose Options Compare Environmental Reference Materials B. Subtilis Snap-Stick™ #SS-6633 Quick View Add to cart Compare Pharmaceutical Reference Materials S. enterica abony #61-00029