CAS No: 128505-88-4, Chemical Name: naphterpin
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128505-88-4 naphterpin

product Name naphterpin
Synonyms Naphterpin; (4aS-cis)-3,4a,5,12b-Tetrahydro-8,10-dihydroxy-2,5,5,9-tetramethyl-4H-benzo(d)naphtho(2,3-b)pyran-7,12-dione; 4H-Benzo(d)naphtho(2,3-b)pyran-7,12-dione, 3,4a,5,12b-tetrahydro-8,10-dihydroxy-2,5,5,9-tetramethyl-; (4aS,12bR)-8,10-dihydroxy-2,5,5,9-tetramethyl-3,4a,5,12b-tetrahydro-4H-dibenzo[c,g]chromene-7,12-dione
Molecular Formula C21H22O5
Molecular Weight 354.3964
InChI InChI=1/C21H22O5/c1-9-5-6-13-11(7-9)16-18(24)12-8-14(22)10(2)17(23)15(12)19(25)20(16)26-21(13,3)4/h7-8,11,13,22-23H,5-6H2,1-4H3/t11-,13+/m1/s1
CAS Registry Number 128505-88-4
Molecular Structure 128505-88-4 naphterpin
Density 1.36g/cm3
Boiling point 559.2°C at 760 mmHg
Refractive index 1.644
Flash point 199.4°C
Vapour Pressur 4.1E-13mmHg at 25°C
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