| Product Name | C.I. Basic yellow 21 |
| CAS No. | 12270-31-4 |
| Synonyms | Basic yellow 21 (C.I. 48060); (1E)-2-methyl-1-[(2E)-2-(1,3,3-trimethyl-1,3-dihydro-2H-indol-2-ylidene)ethylidene]-2,3-dihydro-1H-indolium chloride |
| InChI | InChI=1/C22H25N2.ClH/c1-16-15-17-9-5-7-11-19(17)24(16)14-13-21-22(2,3)18-10-6-8-12-20(18)23(21)4;/h5-14,16H,15H2,1-4H3;1H/q+1;/p-1 |
| Molecular Formula | C22H25ClN2 |
| Molecular Weight | 352.9003 |
12270-31-4 c.i. basic yellow 21
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