1',3'-Dihydro-5'-methoxy-1',3',3'-trimethyl-6-nitrospiro[2H-1-benzopyran-2,2'-(2H)-indole]

1',3'-二氢-5'-甲氧基-1',3',3'-三甲基-6-硝基螺[2H-1-苯并吡喃-2,2'-(2H)-吲哚]

Also known as: 5'-methoxy-1',3',3'-trimethyl-6-nitrospiro[chromene-2,2'-indole], 1,3,3-Trimethyl-5-methoxy-6'-nitrospiro(indoline-2,2'-2'H-chromene), Chroma 88, Chroma Dye 88, 5'-Methoxy-1',3',3'-trimethyl-6-nitrospiro[chromene-2,2'-indoline], 1',3'-dihydro-5'-methoxy-1',3',3'-trimethyl-6-nitrospiro(2H-1-benzopyran-2,2'-[2H]indole), 5'-methoxy-1',3',3'-trimethyl-6-nitrospiro(2H-1-benzopyran-2,2'-indoline), 1',3',3'-trimethyl-5'-methoxy-6-nitrospiro[2H-1-benzopyran-2,2'-indoline]

1',3'-Dihydro-5'-methoxy-1',3',3'-trimethyl-6-nitrospiro[2H-1-benzopyran-2,2'-(2H)-indole] (CAS 16331-96-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C20H20N2O4 and a molecular weight of 352.38400 g/mol. It is also known as 5'-methoxy-1',3',3'-trimethyl-6-nitrospiro[chromene-2,2'-indole], 1,3,3-Trimethyl-5-methoxy-6'-nitrospiro(indoline-2,2'-2'H-chromene) and Chroma 88. Key properties include a melting point of 134-136ºC(lit.), a boiling point of 527.3ºC at 760mmHg, a density of 1.32g/cm3 and a flash point of 272.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

16331-96-7

Jingsj CID

J-1598566-0

Molecular Formula

C₂₀H₂₀N₂O₄

Chinese Name

1',3'-二氢-5'-甲氧基-1',3',3'-三甲基-6-硝基螺[2H-1-苯并吡喃-2,2'-(2H)-吲哚]

Molecular Weight

352.38400 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026