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36894-69-6 molecular structure
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2-hydroxy-5-{1-hydroxy-2-[(4-phenylbutan-2-yl)amino]ethyl}benzamide

ChemBase ID: 480
Molecular Formular: C19H24N2O3
Molecular Mass: 328.40546
Monoisotopic Mass: 328.17869264
SMILES and InChIs

SMILES:
OC(CNC(CCc1ccccc1)C)c1cc(c(O)cc1)C(=O)N
Canonical SMILES:
CC(CCc1ccccc1)NCC(c1ccc(c(c1)C(=O)N)O)O
InChI:
InChI=1S/C19H24N2O3/c1-13(7-8-14-5-3-2-4-6-14)21-12-18(23)15-9-10-17(22)16(11-15)19(20)24/h2-6,9-11,13,18,21-23H,7-8,12H2,1H3,(H2,20,24)
InChIKey:
SGUAFYQXFOLMHL-UHFFFAOYSA-N

Cite this record

CBID:480 http://www.chembase.cn/molecule-480.html

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NAMES AND DATABASE IDS

NAMES AND DATABASE IDS

Names Database IDs
IUPAC name
2-hydroxy-5-{1-hydroxy-2-[(4-phenylbutan-2-yl)amino]ethyl}benzamide
IUPAC Traditional name
labetalolum
Brand Name
Albetol
Ibidomide
Normodyne
Presdate
Trandate
Synonyms
Labetolol
Labetalolum [INN-Latin]
Labetalol hydrochloride
Labetalol HCL
Labetalol
CAS Number
36894-69-6
PubChem SID
46505511
160963943
PubChem CID
3869

DATA SOURCES

DATA SOURCES

All Sources Commercial Sources Non-commercial Sources
Data Source Data ID
DrugBank DB00598 external link
PubChem 3869 external link
Data Source Data ID Price

CALCULATED PROPERTIES

CALCULATED PROPERTIES

JChem ALOGPS 2.1
Acid pKa 8.049597  H Acceptors
H Donor LogD (pH = 5.5) -0.09246248 
LogD (pH = 7.4) 1.2584062  Log P 1.8865051 
Molar Refractivity 94.7152 cm3 Polarizability 36.471325 Å3
Polar Surface Area 95.58 Å2 Rotatable Bonds
Lipinski's Rule of Five true 
Log P 1.73  LOG S -4.75 
Solubility (Water) 5.78e-03 g/l 

PROPERTIES

PROPERTIES

Physical Property Bioassay(PubChem)
Solubility
20 mg/ml (HCl salt) expand Show data source
Hydrophobicity(logP)
2.7 expand Show data source

DETAILS

DETAILS

DrugBank DrugBank
DrugBank - DB00598 external link
Item Information
Drug Groups approved
Description Blocker of both alpha- and beta-adrenergic receptors that is used as an antihypertensive. [PubChem]
Indication For the management of hypertension (alone or in combination with other classes of antihypertensive agents), as well as chronic stable angina pectoris and sympathetic overactivity syndrome associated with severe tetanus. Labetalol is used parenterally for immediate reduction in blood pressure in severe hypertension or in hypertensive crises when considered an emergency, for the control of blood pressure in patients with pheochromocytoma and pregnant women with preeclampsia, and to produce controlled hypotension during anesthesia to reduce bleeding resulting from surgical procedures.
Pharmacology Labetalol is an selective alpha-1 and non-selective beta adrenergic blocker used to treat high blood pressure. It works by blocking these adrenergic receptors, which slows sinus heart rate, decreases peripheral vascular resistance, and decreases cardiac output. Labetalol has two asymmetric centers and therefore, exists as a molecular complex of two diastereoisomeric pairs. Dilevalol, the R,R' stereoisomer, makes up 25% of racemic labetalol.
Toxicity LD50 = 66 mg/kg (Rat, IV). Side effects or adverse reactions include dizziness when standing up, very low blood pressure, severely slow heartbeat, weakness, diminished sexual function, fatigue
Affected Organisms
Humans and other mammals
Biotransformation Primarily hepatic, undergoes significant first pass metabolism
Absorption Completely absorbed (100%) from the gastrointestinal tract with peak plasma levels occurring 1 to 2 hours after oral administration. The absolute bioavailability of labetalol is increased when administered with food.
Half Life 6-8 hours
Protein Binding 50%
Elimination These metabolites are present in plasma and are excreted in the urine, and via the bile, into the feces.
External Links
Wikipedia
RxList
PDRhealth
Drugs.com

REFERENCES

REFERENCES

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PATENTS

PATENTS

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