C09B5/002 - CPC Classification Index

ClassID:

101875 ⎘

C09B5/002 - CPC Classification

Classification description:

Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings the heterocyclic rings being condensed in peri position and in 1-2 or 2-3 position

Sub-classes:

C09B5/004 » {only O-containing hetero rings} 1
C09B5/006 » {only S-containing hetero rings} 3
C09B5/008 » {only N-containing hetero rings} 3