Promethazine hydrochloride is a kind of organic matter, the chemical formula is C17H20ClN2S, is a common cough antihistamine, is an antihistamine, can competitionally block the histamine H1 receptor, against the histamine-induced telangiectasis, and reduce its permeability.Therefore, it can calm down the cough caused by irritation of the trachea.
| Product name |
Promethazine Hcl |
| Cas number |
58-33-3 |
| Apperance |
White Powder |
| MF |
C17H21ClN2S |
| MW |
320.879 |
Hebei Huanwei Biotech Co.,Ltd was established in 2016 and located in Shijiazhuang, Hebei Province, China. Our advantage raw material products are widely used in pharmaceutical and food industry, such as Vitamins,Nutritional Ingredients, Food Additives,Dietary Supplements, Amino Acid, APIs and so on. Besides, we supply OEM/ODM products of Dietary-supplement, including Softgel, Tablet, Hard Capsule, Functional Beverage, Gummy and others.
Huanwei Biotech has obtained the certification of ISO9001, ISO14001, ISO45001 and have been awarded Ecovadis Bronze Medal in 2023. At present we have been supplying products and services to customers in more than 20 countries in Europe, North America, South America, Africa, Southeast Asia, etc.
Q1: Are you a factory or a trading company?
A1: We are a trading company which built in 2016, our main sales staff have many years industry experience.
Q2: How do you control the quality?
A2:
1. We only select high-quality material from famous manufacturers.
2. We have a standardized production process with traceable records
3. We're certified by ISO9001 and ISO22000 Quality management system.
Q3: Can I get samples?
A3: Yes, we can supply specified quantity free sample, you pay for the freight charge only.
Q4: Which documents can you provide?
A4: We can supply Commercial Invoice, Packing List, Country of Origin, Insurance Policy, Bill of loading, COA, MSDS, and so on.
Q5: What Payment terms do you accept?
A5: T/T, L/C, D/P etc.
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