CAS No. 151767-02-1

Appearance	White or almost white,hygroscopic powder
Water	≤ 4.0%
Heavy metals	≤ 10 ppm
Enantiomeric purity	≤ 0.2%
Related substance
Sulfoxide impurity	≤ 0.2%
Cis-isomer	≤ 0.2%
Michael Adducts 1 and 2	≤ 0.15%
Methylketone impurity	≤ 0.15%
Methylstyrene	≤ 0.3%
Any other individual impurity	≤ 0.1%
Total impurities	≤ 0.6%
Residual solvents(GC) Toluene	≤ 890ppm
Methanol	≤ 3000ppm
Heptane	≤ 5000ppm
Assay(Andydrous substance)	98.0-102.0%
Standard	USP grade
Content	99%
Capacity	50MT/month
Loading port	Shanghai
Use	Montelukast sodium is well used as Pharmaceutical Intermediates.
Package	25kg/drum or according to the customers' demand
Storage	Stored in the dry and ventilated inside storeroom, prevent direct sunlight, slightly pile and put down

Molecular Formula: C35H35ClNNaO3S
Molecular Weight: 608,17


More details are to be found on supplier website

Description:
Montelukast is a leukotriene receptor antagonist (LTRA) used for the maintenance treatment of asthma and to relieve symptoms of seasonal allergies.

• Molecular Weight: 608.17
• Molecular Formula: C35H36ClNO3S.Na

Purity: >98%

Canonical SMILES:
CC(C)(C1=CC=CC=C1CCC(C2=CC=CC(=C2)C=CC3=NC4=C(C=CC(=C4)Cl)C=C3)SCC5(CC5)CC(=O)[O-])O.[Na+]

InChI:
InChI=1S/C35H36ClNO3S.Na/c1-34(2,40)30-9-4-3-7-25(30)13-17-32(41-23-35(18-19-35)22-33(38)39)27-8-5-6-24(20-27)10-15-29-16-12-26-11-14-28(36)21-31(26)37-29;/h3-12,14-16,20-21,32,40H,13,17-19,22-23H2,1-2H3,(H,38,39);/q;+1/p-1/b15-10+;/t32-;/m1./s1

InChIKey: LBFBRXGCXUHRJY-HKHDRNBDSA-M

• Melting Point: 108-110 °C
• Appearance: White to off-white crystalline solid

Synonyms:
MK-0476; MK 0476; MK0476

More details are to be found on supplier website

Smile code:
CC(O)(C)C1=CC=CC=C1CC[C@H](C2=CC=CC(/C=C/C3=NC4=C(C=CC(Cl)=C4)C=C3)=C2)SCC5(CC5)CC([O-])=O.[Na+]
MDL Number:
MFCD00931431
Purity :
98%
Available in stock:
92.527 g