Active Pharmaceutical Ingredients
- • Respiratory Drugs (115)
- • Hormones and the Endocrine System (273)
- • Antipyretic Analgesics (169)
- • Antiallergic Drugs (104)
- • Antiparasitic Drugs (127)
- • Antibiotics (541)
- • Antineoplastic Agents (294)
- • Anesthetic Agents (79)
- • Urinary System Drugs (52)
- • Other Chemical Drugs (944)
- • Synthetic Anti-infective Drugs (590)
- • Nervous System Drugs (347)
- • Fluid, Electrolyte, and Acid-base Balance (48)
- • Vitamins and Minerals Medicines (103)
- • Digestive System Drugs (197)
- • Blood System Drugs (85)
- • Circulatory System Drugs (411)
- • Diagnostic Agents (58)
- • Specialty Drugs (108)
- • Drug Metabolism (23)
- • Feed Additive (21)
- • Anti-stress Drugs (1)
- • Drugs Influencing Immune Function (14)
- • Veterinary Raw Materials (24)
- • Inhibitor Drugs (77)
Related News
-
At the API China 2024 Spectacle: A Grand Recap!
2024-10-18 -
The 89th API China & The 27th CHINA-PHARM Exhibition Opened
2024-06-05 -
Overview of China's API industry in 2023
2023-02-01 -
Global Analysis of Active Pharmaceutical Ingredient (API)
2023-01-28 -
Professional and technical dry goods: a brief discussion on the selection of starting materials for chemical synthesis APIs
2022-11-18 -
In 2021, India's Ibuprofen API Export Volume and Price will Fall
2022-06-20
Antiallergic Drugs Featured Products
Antiallergic Drugs
Cyproheptadine hydrochloride
(969-33-5)-
![buy CYPROHEPTADINEHYDROCHLORIDE]( "CYPROHEPTADINEHYDROCHLORIDE")
Pharmaceutical Grade / 99%
-
![buy Cyproheptadinehydrochloride Powder]( "Cyproheptadinehydrochloride Powder")
Pharmaceutical Grade / 99%
-
![buy Cost-effective sourcing of 99% pure Cyproheptadine hcl CAS 969-33-5 raw material]( "Cost-effective sourcing of 99% pure Cyproheptadine hcl CAS 969-33-5 raw material")
Pharmaceutical Grade / 99%
-
![buy High Quality Cyproheptadine Hcl used to increase appetite and weight gain]( "High Quality Cyproheptadine Hcl used to increase appetite and weight gain")
Pharmaceutical Grade / 99%
Request for quotation , get quotes from more suppliers.
Chlorpheniramine maleate
(113-92-8)-
![buy Cost-effective sourcing of 99% pure Chlorpheniramine maleate CAS 113-92-8 raw material]( "Cost-effective sourcing of 99% pure Chlorpheniramine maleate CAS 113-92-8 raw material")
Pharmaceutical Grade / 99%
-
![buy Chlorphenamine maleate 99%]( "Chlorphenamine maleate 99%")
Pharmaceutical Grade / 99%
-
![buy Chlorpheniramine Maleate Chlorpheniramine Maleate Salt]( "Chlorpheniramine Maleate Chlorpheniramine Maleate Salt")
Pharmaceutical Grade / 98%
$150-180/KG FOB
-
![buy High Purity Chlorphenamine Maleate Raw Material 99% Powder 113-92-8 Chlorphenamine Maleate Powder]( "High Purity Chlorphenamine Maleate Raw Material 99% Powder 113-92-8 Chlorphenamine Maleate Powder")
Pharmaceutical Grade / 99%
Cromolyn Disodium Salt
(15826-37-6)-
![buy Cromolyn Disodium Salt 98% white powder LK-YRM]( "Cromolyn Disodium Salt 98% white powder LK-YRM")
Pharmaceutical Grade / 98%
-
![buy Sodium Cromoglicate senwayer Cromolyn Disodium Salt]( "Sodium Cromoglicate senwayer Cromolyn Disodium Salt")
Pharmaceutical Grade / 99%
-
![buy Sodium cromoglycate15826-37-6]( "Sodium cromoglycate15826-37-6")
Pharmaceutical Grade / 99%
-
![buy Supply High Quality Sodium 99% USP Cromoglycate Anti-allergic Powder Cromolyn Sodium CAS 15826-37-6]( "Supply High Quality Sodium 99% USP Cromoglycate Anti-allergic Powder Cromolyn Sodium CAS 15826-37-6")
Pharmaceutical Grade / 99%
Request for quotation , get quotes from more suppliers.
Cetirizine
(83881-51-0)-
![buy Cetirizine Dideu]( "Cetirizine Dideu")
Pharmaceutical Grade / 99%
-
![buy Best Price High Quality Antiallergic Drug CAS 83881-51-0 Cetirizine Powder]( "Best Price High Quality Antiallergic Drug CAS 83881-51-0 Cetirizine Powder")
Pharmaceutical Grade / 98%
-
![buy Cost-effective sourcing of 99% pure Cetirizine CAS 83881-51-0 raw material]( "Cost-effective sourcing of 99% pure Cetirizine CAS 83881-51-0 raw material")
Pharmaceutical Grade / 99%
-
![buy Cetirizine Best Price High Quality Antiallergic Drug CAS 83881-51-0 Cetirizine hydrochloride Powder]( "Cetirizine Best Price High Quality Antiallergic Drug CAS 83881-51-0 Cetirizine hydrochloride Powder")
Pharmaceutical Grade / 99%
Request for quotation , get quotes from more suppliers.
Cetirizine hydrochloride
(83881-52-1)-
![buy Cetirizine dihydrochloride 99.9% prower aly-83881-52-1 lk]( "Cetirizine dihydrochloride 99.9% prower aly-83881-52-1 lk")
Pharmaceutical Grade / 99.9%
-
![buy Factory price and High quantity Cetirizine hydrochloride 99% power]( "Factory price and High quantity Cetirizine hydrochloride 99% power")
Pharmaceutical Grade / 99%
-
![buy Pharmaceutical Raw Material API CAS 83881-52-1 Cetirizine Dihydrochloride Powder]( "Pharmaceutical Raw Material API CAS 83881-52-1 Cetirizine Dihydrochloride Powder")
Pharmaceutical Grade / 98%
-
![buy Antihistamines Raw Material Pure 99% Cetirizina HCl Cetirizine Dihydrochloride Powder CAS 83881-52-1]( "Antihistamines Raw Material Pure 99% Cetirizina HCl Cetirizine Dihydrochloride Powder CAS 83881-52-1")
Pharmaceutical Grade / 99%
Request for quotation , get quotes from more suppliers.
Source Antiallergic Drugs Products Supply
Clemastine fumarate
(14976-57-9)-
![buy Cost-effective sourcing of 99% pure Clemastine fumarate CAS 14976-57-9 raw material]( "Cost-effective sourcing of 99% pure Clemastine fumarate CAS 14976-57-9 raw material")
Pharmaceutical Grade / 99%
-
![buy Clemastine fumarate CAS14976-57-9 99% Hot Sale Pharmaceutical Best Service Pharmaceutical Producer]( "Clemastine fumarate CAS14976-57-9 99% Hot Sale Pharmaceutical Best Service Pharmaceutical Producer")
Pharmaceutical Grade / 99.56%
$5/KG FOB
-
![buy Clemastine fumarate99%]( "Clemastine fumarate99%")
Pharmaceutical Grade / 99%
-
![buy Clemastine Fumarate]( "Clemastine Fumarate")
Pharmaceutical Grade / 99%
Request for quotation , get quotes from more suppliers.
-
![buy CLEMASTINE]( "CLEMASTINE")
Industrial Grade / pharmaceutical grade / 99%
-
![buy CLEMASTINE FUMARATE]( "CLEMASTINE FUMARATE")
Industrial Grade / 99%
-
![buy Clemastine fumarate]( "Clemastine fumarate")
Different Grade / 99.9%
$0.1/KG EXW
-
![buy CLEMASTINE FUMARATE]( "CLEMASTINE FUMARATE")
Request for quotation , get quotes from more suppliers.
-
![buy Sodium cromoglycate CromolynDisodium/ Cromolyn Sodium Powder]( "Sodium cromoglycate CromolynDisodium/ Cromolyn Sodium Powder")
Pharmaceutical Grade / 99%
-
![buy Cromoglicic acid]( "Cromoglicic acid")
Industrial Grade / 99.0%
-
![buy cromoglycic acid]( "cromoglycic acid")
-
![buy Cromoglicic acid]( "Cromoglicic acid")
Request for quotation , get quotes from more suppliers.
Cloperastine
(3703-76-2)-
![buy Cloperastine3703-76-2]( "Cloperastine3703-76-2")
Pharmaceutical Grade / 99%
-
![buy Piperidine,1-[2-[(4-chlorophenyl)phenylmethoxy]ethyl]-]( "Piperidine,1-[2-[(4-chlorophenyl)phenylmethoxy]ethyl]-")
Industrial Grade,Pharma Grade / 99%
-
![buy Cloperastine3703-76-2]( "Cloperastine3703-76-2")
Pharmaceutical Grade / 99%
$50/ EXW
-
![buy CLOPERASTINE]( "CLOPERASTINE")
- / 99.00%
Request for quotation , get quotes from more suppliers.
Cloperastine hydrochloride
(14984-68-0)-
![buy Cloperastine hydrochloride14984-68-0]( "Cloperastine hydrochloride14984-68-0")
Pharmaceutical Grade / 99%
-
![buy Chloperastine hydrochloride]( "Chloperastine hydrochloride")
Industrial Grade / pharmaceutical grade / 99%
$1/MT EXW
-
![buy Cloperastine hydrochloride14984-68-0]( "Cloperastine hydrochloride14984-68-0")
Pharmaceutical Grade / 99%
$50/ EXW
-
![buy Cloperastine hydrochloride]( "Cloperastine hydrochloride")
Industrial Grade / 99.0%
Request for quotation , get quotes from more suppliers.
Frequently Asked Questions
Antiallergic drugs are medications designed to prevent or relieve symptoms caused by allergic reactions, such as sneezing, itching, runny nose, or hives. They primarily work by blocking histamine—a chemical released by the immune system during an allergic response—through H1 receptor antagonism. Common types include first-generation (e.g., diphenhydramine) and second-generation antihistamines (e.g., loratadine, cetirizine), which differ in sedation effects and duration of action.
The most widely used active pharmaceutical ingredients (APIs) in antiallergic drugs include loratadine, cetirizine hydrochloride, fexofenadine, desloratadine, and levocetirizine. These compounds are preferred for their non-sedating profiles, long half-lives, and high selectivity for peripheral H1 receptors. They are formulated into tablets, syrups, capsules, and oral solutions for both over-the-counter and prescription use.
Key quality control parameters for antiallergic drug intermediates include chemical purity (assessed via HPLC or GC), residual solvent levels (per ICH Q3C guidelines), heavy metal content, moisture content (via Karl Fischer titration), and structural confirmation (using NMR or FTIR). Impurity profiling is critical to ensure intermediates meet pharmacopeial standards (e.g., USP, EP) before progressing to final API synthesis.
Generic antiallergic drugs must demonstrate bioequivalence to their branded counterparts, meaning they deliver the same active ingredient at the same rate and extent in the body. Regulatory agencies like the FDA require rigorous testing to confirm therapeutic equivalence. While excipients may differ slightly, clinical efficacy and safety profiles are generally comparable when sourced from reputable manufacturers adhering to pharmacopeial standards.