Catalogue Number: | G-2364 |
Compound Name: | Isovanillin Impurity 1 |
Synonyms: | 5-hydroxy-2-(3-hydroxy-4-methoxybenzylidene)-7-methoxy-6-methylbenzofuran-3(2H)-one |
CAS#: | 193552-54-4 |
Alternate CAS#: | |
Molecular Formula: | C18H16O6 |
Molecular Weight: | 328.32 |
Gefitinib Impurity (6,7-Dimethoxy-3,4-dihydroquinazoline-4-one)
CAS No. 13794-72-4
C10H10N2O3
M.W. 206.20
Gefitinib EP Impurity B DiHCl (Gefitinib USP Related Compound B DiHCl)
C22H24ClFN4O3. 2 HCl
M.W. 446.91 2*36.46