N-Nitroso-N-methyl-4-aminobutyric acid

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Details

Stereochemistry	ACHIRAL
Molecular Formula	C5H10N2O3
Molecular Weight	146.1445
Optical Activity	NONE
Defined Stereocenters	0 / 0
E/Z Centers	0
Charge	0

SHOW SMILES / InChI

Structure of N-Nitroso-N-methyl-4-aminobutyric acid

Structure Search

SMILES

CN(CCCC(O)=O)N=O

InChI

InChIKey=SJLBIPLIGYWGJV-UHFFFAOYSA-N

InChI=1S/C5H10N2O3/c1-7(6-10)4-2-3-5(8)9/h2-4H2,1H3,(H,8,9)

HIDE SMILES / InChI

Molecular Formula	C5H10N2O3
Molecular Weight	146.1445
Charge	0
Count

Stereochemistry	ACHIRAL
Additional Stereochemistry	No
Defined Stereocenters	0 / 0
E/Z Centers	0
Optical Activity	NONE

Approval Year

Substance Class	Chemical Created by `admin` on `Mon Mar 31 19:28:51 GMT 2025` Edited by `admin` on `Mon Mar 31 19:28:51 GMT 2025`
Record UNII	7K7252TZ54
Record Status	`Validated (UNII)`
Record Version

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Name

Type

Language

N-Nitroso-N-methyl-4-aminobutyric acid

Systematic Name

English

METHYL-N-(3-CARBOXYPROPYL)NITROSAMINE, N-

Preferred Name

English

NMBA (LOSARTAN POTASSIUM IMPURITY)

Common Name

English

N-NITROSOMETHYLAMINOBUTYRIC ACID [USP-RS]

Common Name

English

Code System Code Type Description

PUBCHEM

43659

Created by admin on Mon Mar 31 19:28:51 GMT 2025 , Edited by admin on Mon Mar 31 19:28:51 GMT 2025

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RS_ITEM_NUM

1466696

Created by admin on Mon Mar 31 19:28:51 GMT 2025 , Edited by admin on Mon Mar 31 19:28:51 GMT 2025

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EPA CompTox

DTXSID7040239

Created by admin on Mon Mar 31 19:28:51 GMT 2025 , Edited by admin on Mon Mar 31 19:28:51 GMT 2025

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FDA UNII

7K7252TZ54

Created by admin on Mon Mar 31 19:28:51 GMT 2025 , Edited by admin on Mon Mar 31 19:28:51 GMT 2025

PRIMARY

CAS

61445-55-4

Created by admin on Mon Mar 31 19:28:51 GMT 2025 , Edited by admin on Mon Mar 31 19:28:51 GMT 2025

PRIMARY

Related Record Type Details


					3ST302B24A

Losartan potassium

PARENT->IMPURITY GENOTOXIC

Comments:

Losartan potassium tablets made by Hetero Labs and distributed by Camber Pharmaceuticals contain the impurity, N-Nitroso-N-methyl-4-aminobutyric acid (NMBA), which is a known animal and potential human carcinogen.

Amount: