Pharmaceutical Intermediates
- • Analgesics (59)
- • Anesthetics (52)
- • Anti-Addiction Agents (8)
- • Antibacterials (118)
- • Anticonvulsants (20)
- • Antidementia Agents (23)
- • Antidepressants (35)
- • Antiemetics (24)
- • Antifungals (24)
- • Antigout Agents (9)
- • Anti-inflammatory Agents (28)
- • Antimigraine Agents (21)
- • Antineoplastics (430)
- • Antiparasitics (11)
- • Antiparkinson Agents (28)
- • Antipsychotics (54)
- • Antispasticity Agents (12)
- • Antivirals (146)
- • Anxiolytics (16)
- • Blood Glucose Regulators (106)
- • Blood Products (61)
- • Cardiovascular Agents (179)
- • CNS Agents (22)
- • Dental and Oral Agents (8)
- • Dermatological Agents (19)
- • Electrolytes (15)
- • Gastrointestinal Agents (63)
- • Genetic/Enzyme Disorder (12)
- • Genitourinary Agents (47)
- • Immunological Agents (36)
- • Metabolic Bone Disease (6)
- • Ophthalmic Agents (476)
- • Respiratory Tract (51)
- • Skeletal Muscle Relaxants (5)
- • Sleep Disorder Agents (28)
- • Oled Material Intermediate (333)
- • Heterocyclic Compound (9770)
- • Bulk Drug Intermediates (17814)
Related News
-
The multinational pharmaceutical company plans to sell its business
2022-11-18 -
Most Popular Combined Pill for Respiratory Diseases
2022-06-23 -
Frequent occurrence of chronic respiratory diseases in autumn and winter
2019-11-08 -
Keep Chemicals Out, Say Protective Respiratory Equipment
2017-08-21 -
Canada: MDIs in DIY Products Are Risk to Respiratory Health
2017-06-15 -
Is Novartis looking at divesting some of its respiratory drugs? Drugmaker says n
2017-04-01
Respiratory Tract Pharma Intermediates
Respiratory Tract
L-(+)-Cysteine
(52-90-4)-
![buy Get 99% pure L-Cysteine CAS 52-90-4 for the best price]( "Get 99% pure L-Cysteine CAS 52-90-4 for the best price")
Pharmaceutical Grade / 99%
-
![buy 52-90-4 L-Cysteine 99%]( "52-90-4 L-Cysteine 99%")
Pharmaceutical Grade / 99%
$5-6/MT FOB
-
![buy Food Grade 99%Pure Amino Acid Powder Free Sample L-Cysteine Base Powder L- (+) -Cysteine]( "Food Grade 99%Pure Amino Acid Powder Free Sample L-Cysteine Base Powder L- (+) -Cysteine")
Pharmaceutical Grade / 99%
-
![buy Wholesale High Purity L-Cysteine Powder L Cysteine CAS 52-90-4]( "Wholesale High Purity L-Cysteine Powder L Cysteine CAS 52-90-4")
Pharmaceutical Grade / 90%
$950-1100/MT FOB
Request for quotation , get quotes from more suppliers.
-
![buy High-purity raw material Iodobenzene CAS 591-50-4 at competitive pricing]( "High-purity raw material Iodobenzene CAS 591-50-4 at competitive pricing")
Pharmaceutical Grade / 99%
-
![buy High Quality Iodobenzene CAS 591-50-4 From China Manufacturer in stock on sale]( "High Quality Iodobenzene CAS 591-50-4 From China Manufacturer in stock on sale")
Pharmaceutical Grade / 99.9%
-
![buy Standard Refractive Liquid Iodobenzene 591-50-4]( "Standard Refractive Liquid Iodobenzene 591-50-4")
Pharmaceutical Grade / 99%
-
![buy Iodobenzene cas591-50-4]( "Iodobenzene cas591-50-4")
Pharmaceutical Grade / 99%
Request for quotation , get quotes from more suppliers.
Mannitol
(69-65-8)-
![buy D-Mannitol Powder Food Grade]( "D-Mannitol Powder Food Grade")
Pharmaceutical grade / 99%
-
![buy Cost-effective sourcing of 99% pure D-Mannitol CAS 69-65-8 raw material]( "Cost-effective sourcing of 99% pure D-Mannitol CAS 69-65-8 raw material")
Pharmaceutical Grade / 99%
-
![buy Natural Sweetener D-Mannitol CAS 69-65-8 Raw Powder Mannitol USP Standard]( "Natural Sweetener D-Mannitol CAS 69-65-8 Raw Powder Mannitol USP Standard")
Pharmacy Grade / 99%
-
![buy China Factory Supply D-Mannitol CAS 69-65-8 with Best Price]( "China Factory Supply D-Mannitol CAS 69-65-8 with Best Price")
Pharmaceutical Grade / 99%
Request for quotation , get quotes from more suppliers.
L-(+)-Cysteine hydrochloride
(52-89-1)-
![buy 52-89-1 L-Cysteine hydrochloride anhydrous]( "52-89-1 L-Cysteine hydrochloride anhydrous")
Pharmaceutical Grade / 99%
$5-6/MT FOB
-
![buy China Largest factory Manufacturer Supply High Qulity L-Cysteine hydrochloride anhydrous CAS 52-89-1]( "China Largest factory Manufacturer Supply High Qulity L-Cysteine hydrochloride anhydrous CAS 52-89-1")
Pharmaceutical Grade / 99%
-
![buy L - Cysteine Hydrochloride]( "L - Cysteine Hydrochloride")
Pharmaceutical grade / Food grade / 99%
-
![buy L-Cysteine Hydrochloride Anhydrate 52-89-1]( "L-Cysteine Hydrochloride Anhydrate 52-89-1")
Pharmaceutical Grade / 99%
Request for quotation , get quotes from more suppliers.
Methanesulfonamide
(3144-09-0)-
![buy Methanesulfonamide 3144-09-0]( "Methanesulfonamide 3144-09-0")
Pharmaceutical Grade / 99%
-
![buy High quality Methane Sulfonamide CAS No.: 3144-09-0]( "High quality Methane Sulfonamide CAS No.: 3144-09-0")
Pharmaceutical Grade / 99%
-
![buy More than 15 years GMP Factory Suppy 99.5% Methanesulfonamide Medical Grade CAS3144-09-0]( "More than 15 years GMP Factory Suppy 99.5% Methanesulfonamide Medical Grade CAS3144-09-0")
Pharmaceutical Grade / 99.5%
-
![buy High quality and low price Methane Sulfonamide CAS No.: 3144-09-0]( "High quality and low price Methane Sulfonamide CAS No.: 3144-09-0")
pharmaceutical grade / 99.9%
Request for quotation , get quotes from more suppliers.
Source Respiratory Tract Products Supply
-
![buy Factory Supply Fmoc-L-leucine 99% CAS 35661-60-0]( "Factory Supply Fmoc-L-leucine 99% CAS 35661-60-0")
Reagent Grade / Pharmaceutical Intermediate / 99%
$1/KG FOB
-
![buy Get 99% pure Fmoc-Leu-OH CAS 35661-60-0 for the best price]( "Get 99% pure Fmoc-Leu-OH CAS 35661-60-0 for the best price")
Pharmaceutical Grade / 99%
-
![buy China Most Professional Factory Supply High Qulity FMOC-L-LEUCINE CAS 35661-60-0]( "China Most Professional Factory Supply High Qulity FMOC-L-LEUCINE CAS 35661-60-0")
Pharmaceutical Grade / 99%
-
![buy Fmoc-Leu-OH 35661-60-0]( "Fmoc-Leu-OH 35661-60-0")
Pharmaceutical Grade / 99%
Request for quotation , get quotes from more suppliers.
Protocatechuic acid
(99-50-3)-
![buy Protocatechuic acid - SNC | Good Fortune]( "Protocatechuic acid - SNC | Good Fortune")
pharmaceutical grade/food grade / 99%
-
![buy High-purity raw material Protocatechuic acid CAS 99-50-3 at competitive pricing]( "High-purity raw material Protocatechuic acid CAS 99-50-3 at competitive pricing")
Pharmaceutical Grade / 99%
-
![buy Protocatechuic acid 3,4-Dihydroxybenzoic Acid]( "Protocatechuic acid 3,4-Dihydroxybenzoic Acid")
Pharmaceutical Grade / 99%
-
![buy China Professional Factory Supply 99% Beige Crystalline Powder Protocatechuic Acid CAS No.:99-50-3 from YI Hang]( "China Professional Factory Supply 99% Beige Crystalline Powder Protocatechuic Acid CAS No.:99-50-3 from YI Hang")
Pharmaceutical Grade / 99%
Request for quotation , get quotes from more suppliers.
-
![buy China Most Professional Factory Supply High Qulity N-alpha-FMOC-Nepsilon-BOC-L-Lysine CAS 71989-26-9]( "China Most Professional Factory Supply High Qulity N-alpha-FMOC-Nepsilon-BOC-L-Lysine CAS 71989-26-9")
Pharmaceutical Grade / 99%
-
![buy Fmoc-Lys(Boc)-OH 71989-26-9]( "Fmoc-Lys(Boc)-OH 71989-26-9")
Pharmaceutical Grade / 99%
-
![buy More than 15 years GMP Factory Suppy 99.5% N-Fmoc-N'-Boc-L-Lysine Medical Grade CAS71989-26-9]( "More than 15 years GMP Factory Suppy 99.5% N-Fmoc-N'-Boc-L-Lysine Medical Grade CAS71989-26-9")
Pharmaceutical Grade / 99.5%
-
![buy Fmoc-L-Lys(Boc)-OH 99%]( "Fmoc-L-Lys(Boc)-OH 99%")
Pharmaceutical Grade / 99%
Request for quotation , get quotes from more suppliers.
2-Chloro-4-nitroimidazole
(57531-37-0)-
![buy China Most Professional factory Supply High Quality 2-Chloro-4-nitroimidazole CAS 57531-37-0]( "China Most Professional factory Supply High Quality 2-Chloro-4-nitroimidazole CAS 57531-37-0")
Pharmaceutical Grade / 99%
-
![buy 2- chloro -4-nitroimidazole]( "2- chloro -4-nitroimidazole")
Industrial Grade / pharmaceutical grade / 99%
-
![buy 2-Chloro-4-nitroimidazole]( "2-Chloro-4-nitroimidazole")
- / 99.00%
-
![buy 2-Chloro-4-nitroimidazole]( "2-Chloro-4-nitroimidazole")
Industrial Grade / 99%
Request for quotation , get quotes from more suppliers.
Glycinamide hydrochloride
(1668-10-6)-
![buy Glycinamide hydrochloride 1668-10-6]( "Glycinamide hydrochloride 1668-10-6")
Pharmaceutical Grade / 99%
-
![buy High-Quality Glycinamide Hydrochloride (CAS 1668-10-6) Supplied by China's Leading Professional Factory]( "High-Quality Glycinamide Hydrochloride (CAS 1668-10-6) Supplied by China's Leading Professional Factory")
Pharmaceutical Grade / 99%
-
![buy High Quality Pharmaceutical Grade Glycinamide hydrochloride 1668-10-6 from YIHANG Supplier]( "High Quality Pharmaceutical Grade Glycinamide hydrochloride 1668-10-6 from YIHANG Supplier")
Pharmaceutical Grade / 99%
-
![buy Glycinamide hydrochloride-]( "Glycinamide hydrochloride-")
Pharmaceutical Grade / 99%
Request for quotation , get quotes from more suppliers.
More Information
Respiratory Tract Pharma Intermediates are key raw materials used in the synthesis of pharmaceuticals targeting the respiratory system. These intermediates provide the foundation for bronchodilators, anti-inflammatory agents, antitussives, mucolytics, and antimicrobial therapies.
Common applications and types include:
• Bronchodilator intermediates — for asthma and COPD treatment.
• Anti-inflammatory intermediates — supporting therapies to reduce airway inflammation.
• Antitussive intermediates — for cough suppression and relief of upper respiratory symptoms.
• Mucolytic intermediates — aiding in the clearance of mucus and respiratory secretions.
• Antimicrobial intermediates — used in treatments for bacterial or viral respiratory infections.
Frequently Asked Questions
The respiratory tract is a series of organs and tissues involved in breathing and gas exchange. It includes the nose, pharynx, larynx, trachea, bronchi, and lungs. Its primary functions are to deliver oxygen to the bloodstream and remove carbon dioxide from the body. The respiratory tract also filters, warms, and humidifies inhaled air to protect lung tissue.
Common respiratory tract diseases include asthma, chronic obstructive pulmonary disease (COPD), bronchitis, pneumonia, sinusitis, and the common cold. These conditions can affect either the upper respiratory tract (nose, sinuses, throat) or the lower respiratory tract (trachea, bronchi, lungs). Symptoms often include coughing, shortness of breath, wheezing, and congestion.
To protect your respiratory tract, avoid smoking and exposure to secondhand smoke, wear masks in polluted or high-risk environments, practice good hand hygiene, stay up to date with vaccinations (such as flu and pneumococcal vaccines), and maintain indoor air quality with proper ventilation and air purifiers. Regular exercise and a healthy diet also support respiratory immunity.
Upper respiratory tract infections (URTIs) involve the nose, sinuses, pharynx, and larynx, and include conditions like the common cold, sinusitis, and pharyngitis. Lower respiratory tract infections (LRTIs) affect the trachea, bronchi, and lungs, and include bronchitis, pneumonia, and tuberculosis. LRTIs are generally more severe and may require medical intervention compared to most URTIs.
You should consult a healthcare provider if you experience persistent symptoms such as a cough lasting more than 2–3 weeks, high fever, difficulty breathing, chest pain, coughing up blood, or worsening shortness of breath. These could indicate a serious condition like pneumonia, COPD exacerbation, or other lower respiratory tract disorders requiring prompt evaluation and treatment.