Product Description Disperse Yellow 42 Other Details Molecular Formula: C18H15N3O4S Molecular Weight: 369.39 CAS Number: 5124-25-4 Minimum Purity: 95% (HPLC) UN Number: N/A Dangerous Goods Class: N/A Packing Group: N/A Storage Temperature: N/A Sizes 1: 1g Leadtime:20 Days Sizes 2: 0 Leadtime:0 Sizes 3: 0 Leadtime:0