direct red 23
post date: nov 30,2021 expiry date: may 29,2022 detailed description: cas no. :3441-14-3 cas registry number: 3441-14-3 synonyms: ;c.i. 29160;c.i. direct red 23 (van);c.i. direct red 23, disodium salt;c.i. direct red 23;c.i. direct red 23, disodium salt;direct red 23;scarlet 4bs;disodium 4-oxo-3-(2-{4-[(2-oxoethyl)amino]phenyl}hydrazinylidene)-6-({[(6e)-5-oxo-6-(2-phenylhydrazinylidene)-7-sulfonato-5,6-dihydronaphthalen-2-yl]carbamoyl}amino)-3,4-dihydronaphthalene-2-sulfonate;(3e)-3-{2-[4-(acetylamino)phenyl]hydrazinylidene}-4-oxo-7-({[(6e)-5-oxo-6-(2-phenylhydrazinylidene)-7-sulfo-5,6-dihydronaphthalen-2-yl]carbamoyl}amino)-3,4-dihydronaphthalene-2-sulfonic acid;direct scarlet 4bs; molecular formula: c35h27n7o10s2 molecular weight: 769.7598 molecular structure:
