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Pemirolast potassium

Pemirolast potassium
Pemirolast potassium structure
Chemical Name:
Pemirolast potassium
tbx;DE-068;Alamast;bmy26517;Alegysal;Alegysal (TN);PEMIROLAST POTASSIUM;pemirolastpottassium;Pemirolast Potassium Salt;PeMirolast PotassiuM Hydrate
Molecular Formula:
Formula Weight:
MOL File:

Pemirolast potassium Properties

Melting point:
310-311°C (dec.)
storage temp. 
-20°C Freezer, Under Inert Atmosphere
H2O: ≥18mg/mL
light yellow to yellow with a green cast
CAS DataBase Reference
100299-08-9(CAS DataBase Reference)
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
WGK Germany  3
RTECS  UV1164470
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
Precautionary statements:

Pemirolast potassium price More Price(9)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich SML0107 Pemirolast potassium ≥98% (HPLC) 100299-08-9 10mg $80.8 2018-11-20 Buy
Sigma-Aldrich SML0107 Pemirolast potassium ≥98% (HPLC) 100299-08-9 50mg $316 2018-11-20 Buy
TCI Chemical P1995 Pemirolast Potassium Hydrate >98.0%(HPLC)(T) 1g $150 2018-11-22 Buy
TCI Chemical P2547 Pemirolast Potassium >98.0%(HPLC)(T) 100299-08-9 1g $188 2018-11-22 Buy
Cayman Chemical 17889 Pemirolast (potassium salt) ≥98% 100299-08-9 5mg $35 2018-11-13 Buy

Pemirolast potassium Chemical Properties,Uses,Production


Pemirolast potassium is a new potent antiallergic mast cell stabilizer with a similar mechanism to sodium cromoglycate. Its main indication is bronchial asthma. Another indication under investigation is as a gastroprotective agent.

Chemical Properties

Crystalline Solid


Bristol-Myers Squibb (U.S.A.)


Inhibitor of chemical mediator release from tissue mast cells. Antiallergic


Pemirolast potassium (BMY 26517) is a histamine H1 antagonist and mast cell stabilizer that acts as an antiallergic agent

brand name

Alamast (Sanofi Winthrop);Pemilaston;Alegysal.

General Description

Pemirolast potassium, 9-methyl-3-(1H-tetrazol-5-yl)-4Hpyrido[1, 2- ]pyrimidin-4-one potassium (Alamast), is ayellow, water-soluble powder. It can be considered an analogof one portion of the cromolyn structure in which thecarboxyl group has been replaced with an isosteric tetrazolemoiety. Pemirolast is indicated for the prevention ofitching of the eye caused by allergic conjunctivitis. Thecommercial preparation is available as a 0.1% sterile ophthalmicsolution for topical administration to the eyes.Each milliliter of this solution contains 1 mg of pemirolastpotassium, as well as the preservative lauralkonium chloride(0.005%), and glycerin, phosphate buffers,and sodium hydroxide to maintain a solution pH of8.0. The solution has an osmolality of 240 mOsm/L. Therecommended dose is 1 to 2 drops instilled into each affectedeye 4 times a day. This drug product is for ocularadministration only and not for injection or oral use andshould be used with caution during pregnancy or whilenursing.

Pemirolast potassium Preparation Products And Raw materials

Raw materials

Preparation Products

Pemirolast potassium Suppliers

Global( 138)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Capot Chemical Co.,Ltd.
+86 (0)571-855 867 18
+86 (0)571-858 647 95 China 19918 60
Mainchem Co., Ltd.
+86-0592-6210733 CHINA 32452 55
Xiamen AmoyChem Co., Ltd
+86 (0)592-605 1114 CHINA 6374 58
career henan chemical co
+86-371-86658258 CHINA 25796 58
08657186217390 CHINA 308 58
J & K SCIENTIFIC LTD. 400-666-7788 +86-10-82848833
+86-10-82849933; China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. +86-(0)21-61259100(Shanghai) +86-(0)755-86170099(ShenZhen) +86-(0)10-62670440(Beijing)
+86-(0)21-61259102(Shanghai) +86-(0)755-86170066(ShenZhen) +86-(0)10-88580358(Beijing) China 40275 62
INTATRADE GmbH +49 3493/605464
+49 3493/605470 Germany 3579 66
TCI (Shanghai) Development Co., Ltd. 021-67121386 / 800-988-0390
021-67121385 China 24560 81
Energy Chemical 021-58432009 / 400-005-6266
021-58436166-800 China 44045 61

View Lastest Price from Pemirolast potassium manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2018-12-15 Pemirolast potassium
US $1.00 / kg 1kg 99% Customized career henan chemical co

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