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Merck
CN

P0080

Pranlukast hemihydrate

≥98% (HPLC), CysLT1 receptor antagonist, solid

Synonym(s):

8-[4(4-phenylbutoxy)benzoyl]amino-2-(5-tetrazolyl)-4-oxo-4H-1-benzopyran

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About This Item

Empirical Formula (Hill Notation):
C27H23N5O4 · 0.5 H2O
CAS Number:
150821-03-7
Molecular Weight:
490.51
UNSPSC Code:
51111800
PubChem Substance ID:
329820009
NACRES:
NA.77
MDL number:
MFCD24539454

Key Documents

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Product Name

Pranlukast hemihydrate, ≥98% (HPLC), white, solid

SMILES string

O.O=C(Nc1cccc2C(=O)C=C(Oc12)c3nnn[nH]3)c4ccc(OCCCCc5ccccc5)cc4.O=C(Nc6cccc7C(=O)C=C(Oc67)c8nnn[nH]8)c9ccc(OCCCCc%10ccccc%10)cc9

InChI key

MSXTUBJFNBZPGC-UHFFFAOYSA-N

InChI

1S/2C27H23N5O4.H2O/c2*33-23-17-24(26-29-31-32-30-26)36-25-21(23)10-6-11-22(25)28-27(34)19-12-14-20(15-13-19)35-16-5-4-9-18-7-2-1-3-8-18;/h2*1-3,6-8,10-15,17H,4-5,9,16H2,(H,28,34)(H,29,30,31,32);1H2

assay

≥98% (HPLC)

form

solid

color

white

solubility

DMSO: ≥10 mg/mL
H2O: insoluble

storage temp.

−20°C

Quality Level

100

Related Categories

Biochem/physiol Actions

Pranlukast is a subtype specific CysLT1 receptor antagonist.
Pranlukast is a subtype specific CysLT1 receptor antagonist. Leukotrienes are involved in the inflammation response and are divided into two main classes; leukotriene B4 and cysteinyl-substituted leukotrienes.

Features and Benefits

This compound is featured on the Leukotriene Receptors page of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here.

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 4 - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
0000496313
0000496312
0000496313
0000496312
0000418346

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Inés Velázquez-Quesada et al.
Drug design, development and therapy, 14, 1799-1811 (2020-06-05)
Cancer stem cells (CSCs) drive the initiation, maintenance, and therapy response of breast tumors. CD49f is expressed in breast CSCs and functions in the maintenance of stemness. Thus, blockade of CD49f is a potential therapeutic approach for targeting breast CSCs.
Eun-Sol Ha et al.
Drug design, development and therapy, 9, 3257-3266 (2015-07-08)
The present study was carried out to develop an oral formulation of pranlukast hemihydrate with improved dissolution and oral bioavailability using a surface-modified microparticle. Based on solubility measurements, surface-modified pranlukast hemihydrate microparticles were manufactured using the spray-drying method with hydroxypropylmethyl

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