Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Metoprolol Acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

DC Chemicals Limited
China
Product Name: Atenolol acid
Price: $Inquiry/100mg $Inquiry/250mg $Inquiry/500mg
Purity: 98.0%
Stocking Period: 3 Day
Contact: Tony Cao
Email: sales@dcchemicals.com

56392-14-4

56392-14-4 structure

56392-14-4 structure

Name: Metoprolol Acid
Chemical Name: atenolol acid
CAS Number: 56392-14-4
Molecular Formula: C₁₄H₂₁NO₄
Molecular Weight: 267.32100
Create Date: 2018-09-29 15:02:35
Modify Date: 2025-08-29 14:39:29
Metoprolol acid is a pharmacologically inactive urinary metoprolol metabolite.

Name	atenolol acid
Synonyms	2-[4-[2-hydroxy-3-(propan-2-ylamino)propoxy]phenyl]acetic acid Metoprolol acid SL 77-010 H 117/04 Atenolol acid Atenolol Impurity 7

Density	1.159g/cm3
Boiling Point	477.1ºC at 760mmHg
Melting Point	174-176ºC
Molecular Formula	C₁₄H₂₁NO₄
Molecular Weight	267.32100
Flash Point	242.3ºC
Exact Mass	267.14700
PSA	78.79000
LogP	1.44230
Index of Refraction	1.539
Storage condition	-20°C

CHEMICAL IDENTIFICATION

RTECS NUMBER :: CY1634360

CHEMICAL NAME :: Benzeneacetic acid, 4-(2-hydroxy-3-((1-methylethyl)amino)propoxy)-

CAS REGISTRY NUMBER :: 56392-14-4

LAST UPDATED :: 199110

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C14-H21-N-O4

MOLECULAR WEIGHT :: 267.36

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: >500 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: PBPSDY Pharmacological and Biochemical Properties of Drug Substances. (American Pharmaceutical Assoc., 2215 Constitution Ave., NW, Washington, DC 20037) V.1- 1977- Volume(issue)/page/year: 2,186,1979

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H302
RIDADR	NONH for all modes of transport
RTECS	CY1634360

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