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

Approval Year

Substance Class Protein
Created
by admin
on Wed Apr 02 17:41:33 GMT 2025
Edited
by admin
on Wed Apr 02 17:41:33 GMT 2025
Protein Type PEPTIDE
Protein Sub Type IMPURITY
Sequence Origin SYNTHETIC
Sequence Type COMPLETE
Record UNII
4RC9RL6FHU
Record Status FAILED
Record Version
  • Download
Name Type Language
[9-D-leucine]calcitonin (salmon)
Common Name English
CALCITONIN (SALMON) IMPURITY B [EP IMPURITY]
Preferred Name English
Code System Code Type Description
FDA UNII
4RC9RL6FHU
Created by admin on Wed Apr 02 17:41:33 GMT 2025 , Edited by admin on Wed Apr 02 17:41:33 GMT 2025
PRIMARY
From To
1_1 1_7
Related Record Type Details
PARENT -> IMPURITY

Structural Modifications

Modification Type Location Site Location Type Residue Modified Extent Fragment Name Fragment Approval
AMINO_ACID_SUBSTITUTION [1_9] SITE_SPECIFIC L D-Leucine 965COD96YA
AMINO_ACID_SUBSTITUTION [1_32] C-TERMINUS P PROLINAMIDE VD6PQK9DHG
Name Property Type Amount Referenced Substance Defining Parameters References
MOL_WEIGHT:NUMBER(CALCULATED) CHEMICAL
Molecular Formula CHEMICAL