Verapamil CAS 52-53-9

Molecular Formula:C27H38N2O4

Formula Weight:454.61

Purity: ≥ 99.0%

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Product Name: Verapamil
CAS No: 52-53-9

Basic Info

Product Name:Verapamil
Other Names:-2-isopropyl-;2-isopropyl-;
Place of Origin:Shandong, China
Brand Name:Zhishang Chemical
Appearance:Crystalline Solid
EINECS No.:200-145-1
Storage:Cool Dry Place
Provide:Verapamil MSDS;
Verapamil COA

4-dimethoxy-alpha-(1-methylethyl)-l)-;5-((3,4-dimethoxyphenethyl)methylamino)-2-(3,4-dimethoxyphenyl)-2-isopropylv;Benzeneacetonitrile, .alpha.-3-2-(3,4-dimethoxyphenyl)ethylmethylaminopropyl-3,4-dimethoxy-.alpha.-(1-methylethyl)-;Benzeneacetonitrile, a-[3-[[2-(3,4-dimethoxyphenyl)ethyl]methylamino]propyl]-3,4-dimethoxy-a-(1-methylethyl)- (9CI);dl-Verapamil;NSC 272306NA

Product Categories:



Verapamil, 5-[. Hemodynamically, verapamil causesa change in the preload, afterload, contractility, heart rate,and coronary blood flow. The drug reduces systemic vascularresistance and mean blood pressure, with minor effectson cardiac output.
Verapamil is a synthetic compound possessing slightstructural similarity to papaverine. It can be separated intoits optically active isomers, of which the levorotatory enantiomeris the most potent. It is absorbed rapidly after oraladministration. The drug is metabolized quickly and, as aresult, has low bioavailability. The liver is the main siteof first-pass metabolism, forming several products. Thepreferential metabolic step involves N-dealkylation, followedby O-demethylation, and subsequent conjugation ofthe product before elimination. The metabolites have no significantbiological activity. Verapamil has an eliminationhalf-life of approximately 5 hours.

Chemical Properties:

Crystalline Solid

Melting point 25°C
Boiling point 243-246 °C (1.3 Pa)
density 1.1267 (rough estimate)
refractive index 1.5448
storage temp. Keep in dark place,Inert atmosphere,Room temperature


  1. Vasodilator (coronary).
  2. Verapamil is primarily used as an antiarrythmic for treating ventricular arrhythmias; however, currently it is being forced out gradually by adenosine.
  3. Verapamil is used for preventing angina pectoris attacks, arterial hypertension, and treating and preventing supraventricular arrhythmia (paroxysmal supraventricular tachycardia, atrial fibrillation, atrial flutter, extrasystole).
About Us

The production base is located in Zhangqiu chemical industry park and Tai’an high-tech chemical industry park. laboratory and workshop in strict accordance with the GMP standard and the product fit national ISO9001 and ISO2000 standards.

“Zhishang” products are exported to Europe, North and South America, the Middle East, Asia Pacific and Africa area, so as to establish a long-term and stable cooperation relationship with customer in the world.

Company Info
  • Business Type: Manufacturer
  • Product Range: Additive , Chemical Auxiliary & Catalyst , Organic Chemicals
  • Products/Service: Organic Intermediate,Inorganic Chemistry, APIs, Dyestuffs And Pigments, Fragrance And Spices, Food Additives
  • Total Employees: 51~100
  • Capital (Million US $): 10000000RMB
  • Year Established: 2016
Production Capacity
  • No. of Production Lines : 8
  • No. of QC Staff : 5 -10 People
  • OEM Services Provided : yes
  • Factory Size (Sq.meters) : 3,000-5,000 square meters
  • Certificate: ISO9001 , CE , GMP , API , MSDS
  • Factory Location : Diao Town Industry Park, Zhangqiu City, Jinan City, Shandong Province, China.


Pre-Sales Service

* Prompt reply and 24 hours online, professional team to provide best price and high quality product.

* Sample testing support.

* Every batch of products will be tested to ensureits quality.

*The packing also can be according the customers` requirment.

*Any inquiries will be replied within 24 hours.

*we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.


After-Sales Service

*The fact of logistics information monitoring.

* Any questions about the product can be consulted at any time.

*Product has any problem can return.


Do you accept sample order?

We will make samples before mass production, and after sample approved, we’ll begin mass production. Doing 100% inspection during production, then do random inspection before packing.



You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.

What’s your MOQ?

Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.

Do you supply product report?

Yes. We’ll give you product analysis report before shipping.

  Is there a discount?

Different quantity has different discount.


1. ≤50kg, Express delivery recommended, usually called as DDU service;

2. ≤500kg, Air shipping recommended, usually called as FOB, CFR, or CIF service;

3. >500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;

4. For high value products, please select air shipping and express delivery for safe.

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