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Montelukast Styrene

CAS No.
918972-54-0
Chemical Name:
Montelukast Styrene
Synonyms
Montelukast Impurity B;Montelukast Styrene;Anhydro Montelukast;Montelukast Styrene 2;Montelukast Impurity C;Montelukast Methylstyrene;Montelukast EP IMpurity B;Montelukast sodium impurity B;Montelukast Sodium EP impurity B;Montelukast Methylstyrene IMpurity
CBNumber:
CB12485754
Molecular Formula:
C35H34ClNO2S
Molecular Weight:
568.17
MDL Number:
MFCD21363697
MOL File:
918972-54-0.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-05-27 23:19:05

Montelukast Styrene Properties

Melting point 154-156°C
Boiling point 729.2±60.0 °C(Predicted)
Density 1.238±0.06 g/cm3(Predicted)
storage temp. -20°C Freezer, Under Inert Atmosphere
solubility Chloroform (Slightly), DMSO (Slightly)
form Solid
pka 4.76±0.10(Predicted)
color Pale Green to Light Yellow
InChIKey LLGQICNFACCGPR-LDXVMNHOSA-N
SMILES C1(CS[C@@H](C2=CC=CC(/C=C/C3C=CC4C(N=3)=CC(Cl)=CC=4)=C2)CCC2=CC=CC=C2C(C)=C)(CC(O)=O)CC1
FDA UNII H5EKP57W1I

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H302-H315-H319
Precautionary statements  P501-P270-P264-P280-P302+P352-P337+P313-P305+P351+P338-P362+P364-P332+P313-P301+P312+P330
HS Code  29339900

Montelukast Styrene price More Price(22)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Usbiological 283655 Montelukast Styrene Asreported 918972-54-0 1mg $602 2026-06-03 Buy
Usbiological 283655 Montelukast Styrene Asreported 918972-54-0 2mg $941 2026-06-03 Buy
Usbiological 283655 Montelukast Styrene Asreported 918972-54-0 5mg $1798 2026-06-03 Buy
Usbiological 283655 Montelukast Styrene Asreported 918972-54-0 10mg $2046 2026-06-03 Buy
Usbiological 283655 Montelukast Styrene Asreported 918972-54-0 25mg $2867 2026-06-03 Buy
Product number Packaging Price Buy
283655 1mg $602 Buy
283655 2mg $941 Buy
283655 5mg $1798 Buy
283655 10mg $2046 Buy
283655 25mg $2867 Buy

Montelukast Styrene Chemical Properties, Uses, Production

Chemical Properties

Pale Yellow Solid

Uses

Montelukast Styrene (Montelukast EP Impurity B; Montelukast USP Related Compound F; Montelukast Methylstyrene; Styrene Montelukast) is a Montelukast impurity.

Montelukast Styrene Preparation Products And Raw materials

Raw materials

Preparation Products

Global Suppliers ( 96)
Supplier Tel Email Country ProdList Advantage
Hefei Molake Biotechnology Co., Ltd. 0551-66336380 18956014586 983438788@qq.com China 2470 58
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Chemsky(shanghai)International Co.,Ltd. 021-50135380 shchemsky@sina.com China 32273 50
BOC Sciences 1-631-485-4226; 16314854226 info@bocsci.com United States 9920 65
S.Z. PhyStandard Bio-Tech. Co., Ltd. 0755-4000505016 13380397412 3001272453@qq.com China 5000 50
S.Z. PhyStandard Bio-Tech. Co., Ltd. 0755-83725681-603 China 4484 50
Cato Research Chemicals Inc. 020-81960175 min.he@cato-chem.com China 1949 55
Bide Pharmatech Ltd. 400-164-7117 18317119277 product02@bidepharm.com China 40000 60
Quality Control Solutions Ltd. 0755-66853366 13670046396 orders@qcsrm.com China 18188 56
Shanghai Kewel Chemical Co., Ltd. 021-64609169 18901607656 greensnown@163.com China 9883 50

View Latest Price from Montelukast Styrene manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Montelukast methylstyrene pictures 2026-04-20 Montelukast methylstyrene
918972-54-0
$1520.00-2500.00 10g TargetMol Chemicals Inc.
Montelukast Styrene pictures 2019-12-25 Montelukast Styrene
918972-54-0
1KG 95%-99% 1kg; 100kg; 500kg Career Henan Chemical Co
1-[[[(1R)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-Methylethenyl)phenyl]propyl]thio]Methyl] Montelukast Styrene Montelukast EP IMpurity B Montelukast Methylstyrene IMpurity Cyclopropaneacetic acid, 1-[[[(1R)-1-[3-[(1E)-2-(7-chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-Methylethenyl)phenyl] propyl]thio]Methyl]- 1-[[[(1R)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-methy lethenyl)phenyl]propyl]thio]methyl]cyclopropaneacetic Acid Montelukast Sodium EP impurity B Montelukast Impurity C Montelukast Impurity 2(EP Impurity B) (R,E)-2-(1-(((1-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(prop-1-en-2-yl)phenyl)propyl)thio)methyl)cyclopropyl)acetic acid Montelukast Methylstyrene 2-[1-[[(1R)-1-[3-[(E)-2-(7-chloroquinolin-2-yl)ethenyl]phenyl]-3-(2-prop-1-en-2-ylphenyl)propyl]sulfanylmethyl]cyclopropyl]acetic acid Montelukast impurity 2/Montelukast EP Impurity B/Montelukast Methyl Styrene/1-[[[(1R)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-methylethenyl)phenyl]propyl]thio]methyl]cyclopropaneacetic Acid Montelukast Impurity 2(Montelukast EP Impurity B) Montelukast sodium impurity B USP Montelukast Related Compound F Montelukast EP Impurity B/ Montelukast Related Compound F (Montelukast Methylstyrene) Montelukast EP Impurity BQ: What is Montelukast EP Impurity B Q: What is the CAS Number of Montelukast EP Impurity B Q: What is the storage condition of Montelukast EP Impurity B Q: What are the applications of Montelukast EP Impurity B Montelukast Styrene 2 Anhydro Montelukast Montelukast EP Impurity B Montelukast USP Related Compound F 1-[[[(1R)-1-[3-[(E)-2-(7-Chloroquinolin-2-yl)ethenyl]phenyl]-3-[2-(1-methylethenyl)phenyl]propyl]su [1-[[[(1R)-1-[3-[(E)-2-(7-Chloroquinolin-2-yl)ethenyl]phenyl]-3-[2-(1-methylethenyl)phenyl]propyl]sulfanyl]methyl]cyclopropyl]acetic Acid Montelukast Impurity B Montelukast Sodium Impurity 2(Montelukast Sodium EP Impurity B) 918972-54-0 C35H34ClNO2S Heterocycles Impurities Intermediates & Fine Chemicals Pharmaceuticals Sulfur & Selenium Compounds