U.S. Department of Health & Human Services Divider Arrow National Institutes of Health Divider Arrow NCATS

Approval Year

Name Type Language
RED 21
INCI  
INCI  
Preferred Name English
D&C RED NO. 21
Common Name English
DYE DC RED NO. 21
Common Name English
DC RED NO. 21
Common Name English
Classification Tree Code System Code
CFR 21 CFR 74.2321
Created by admin on Mon Mar 31 18:29:19 GMT 2025 , Edited by admin on Mon Mar 31 18:29:19 GMT 2025
NCI_THESAURUS C461
Created by admin on Mon Mar 31 18:29:19 GMT 2025 , Edited by admin on Mon Mar 31 18:29:19 GMT 2025
CFR 21 CFR 74.1321
Created by admin on Mon Mar 31 18:29:19 GMT 2025 , Edited by admin on Mon Mar 31 18:29:19 GMT 2025
Code System Code Type Description
NCI_THESAURUS
C71657
Created by admin on Mon Mar 31 18:29:19 GMT 2025 , Edited by admin on Mon Mar 31 18:29:19 GMT 2025
PRIMARY
CHEBI
86277
Created by admin on Mon Mar 31 18:29:19 GMT 2025 , Edited by admin on Mon Mar 31 18:29:19 GMT 2025
PRIMARY
FDA UNII
08744Z6JNY
Created by admin on Mon Mar 31 18:29:19 GMT 2025 , Edited by admin on Mon Mar 31 18:29:19 GMT 2025
PRIMARY
RXCUI
1310541
Created by admin on Mon Mar 31 18:29:19 GMT 2025 , Edited by admin on Mon Mar 31 18:29:19 GMT 2025
PRIMARY RxNorm
CAS
15086-94-9
Created by admin on Mon Mar 31 18:29:19 GMT 2025 , Edited by admin on Mon Mar 31 18:29:19 GMT 2025
MAJOR COMPONENT STRUCTURE/SEQUENCE
DAILYMED
08744Z6JNY
Created by admin on Mon Mar 31 18:29:19 GMT 2025 , Edited by admin on Mon Mar 31 18:29:19 GMT 2025
PRIMARY
All of the following components must be present:
Definition References