Product Name:1,3,3-Trimethylspiro[indoline-2,3'-[3H]naphth[2,1-b][1,4]oxazine]

Synonym：1,3,3-Trimethylindolinonaphthospirooxazine；Photorome I；1,3,3-Trimethylindolinonaphthospirooxazine；              Trimethylindolinonaphthospirooxazine

CAS Number: 27333-47-7     

Molecular Formula:C22H20N2O  

Molecular Weight: 328.41
Mp:122-123°C

Purity:>98%（HPLC）

Application：Photochromic dye