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Details

Stereochemistry ABSOLUTE
Molecular Formula C21H29N3O4
Molecular Weight 387.4727
Optical Activity UNSPECIFIED
Defined Stereocenters 3 / 3
E/Z Centers 0
Charge 0

SHOW SMILES / InChI
Structure of Lisinopril S,S,S-Diketopiperazine

SMILES

NCCCC[C@@H]1N([C@@H](CCC2=CC=CC=C2)C(O)=O)C(=O)[C@@H]3CCCN3C1=O

InChI

InChIKey=FUEMHWCBWYXAOU-BZSNNMDCSA-N
InChI=1S/C21H29N3O4/c22-13-5-4-9-17-19(25)23-14-6-10-16(23)20(26)24(17)18(21(27)28)12-11-15-7-2-1-3-8-15/h1-3,7-8,16-18H,4-6,9-14,22H2,(H,27,28)/t16-,17-,18-/m0/s1

HIDE SMILES / InChI

Molecular Formula C21H29N3O4
Molecular Weight 387.4727
Charge 0
Count
Stereochemistry ABSOLUTE
Additional Stereochemistry No
Defined Stereocenters 3 / 3
E/Z Centers 0
Optical Activity UNSPECIFIED

Approval Year

Substance Class Chemical
Created
by admin
on Mon Mar 31 22:36:42 GMT 2025
Edited
by admin
on Mon Mar 31 22:36:42 GMT 2025
Record UNII
0ITR705O35
Record Status Validated (UNII)
Record Version
  • Download
Name Type Language
LISINOPRIL DIHYDRATE IMPURITY C [EP IMPURITY]
Preferred Name English
Lisinopril S,S,S-Diketopiperazine
Common Name English
(2S)-2-((3S,8AS)-3-(4-AMINOBUTYL)-1,4-DIOXOHEXAHYDROPYRROLO(1,2-A)PYRAZIN-2(1H)-YL)-4-PHENYLBUTANOIC ACID
Systematic Name English
LISINOPRIL RELATED COMPOUND A [USP-RS]
Common Name English
PYRROLO(1,2-A)PYRAZINE-2(1H)-ACETIC ACID, 3-(4-AMINOBUTYL)HEXAHYDRO-1,4-DIOXO-.ALPHA.-(2-PHENYLETHYL)-, (.ALPHA.S,3S,8AS)-
Systematic Name English
Code System Code Type Description
CAS
328385-86-0
Created by admin on Mon Mar 31 22:36:42 GMT 2025 , Edited by admin on Mon Mar 31 22:36:42 GMT 2025
PRIMARY
RS_ITEM_NUM
1368610
Created by admin on Mon Mar 31 22:36:42 GMT 2025 , Edited by admin on Mon Mar 31 22:36:42 GMT 2025
PRIMARY
PUBCHEM
29982755
Created by admin on Mon Mar 31 22:36:42 GMT 2025 , Edited by admin on Mon Mar 31 22:36:42 GMT 2025
PRIMARY
FDA UNII
0ITR705O35
Created by admin on Mon Mar 31 22:36:42 GMT 2025 , Edited by admin on Mon Mar 31 22:36:42 GMT 2025
PRIMARY
Related Record Type Details
PARENT -> IMPURITY