Methyl 3,3-dimethylpent-4-enoate

Cimetidine paramete

CAS No.: 51481-61-9
MF: C10H16N6S, C10H16N6S
Place of Origin: Shandong, China
Grade Standard: Medicine Grade
Brand Name: Lookchemical
Purity: 99%min
Appearance: White crystalline powder
CAS: 51481-61-9
Application: Gastrointestinal Agents
MW: 252.34
Other Names: Cimetidine
EINECS No.: 257-232-2
Type: Gastrointestinal Agents
Usage: Animal Pharmaceuticals
Model Number: M-CAS :51481-61-9
Product Name: Cimetidine
Assay: 99%Min
Grade: Phamaceutical Grade
Color: White
Package: 25kg/drum


Item Standard Result
Appearance White or off-white crystalline powder odorless, bitter taste Conforms
IR Absorption Consist with the spectra obtained with Cimetidine CRS. Conforms
UV Absorption Should conform Conforms
Melting point 139-144°C 140.5-141.0°C
Heavy metal ≤20ppm <20ppm
Residue on ignition ≤0.2% 0.02%
Related substances Single impurity≤0.2% 0.15%
Total impurity≤1.0% 0.47%
Loss on drying ≤1.0% 0.06%
Organic volatile impurities (ethanol) (loss on drying) ≤0.5% 0.06%
Assay (calculated with reference on dried substance) 98.0-102.0% 99.60%


1.Histamine H2 receptor antagonist. It can inhibit the secretion of gastric acid caused by histamine stimulation, inhibit the secretion of gastric acid induced by food, pentageptide, caffeine and insulin, and also inhibit the secretion of basic gastric acid. For gastric and duodenal ulcer, digestive esophagitis, Zhuo-Ai syndrome.

2.Used for the treatment of peptic ulcer

3.H2's histamine receptor antagonist; I1 imidazoline receptor agonist; Anti-ulcer agent. By inhibiting the expression of electron surface selectin in endothelial cells, cancer cells are prevented from metastasizing, thereby blocking the adhesion of tumor cells.

Product service

1. Certificate Of Analysis (COA)

2. Material Safety Data Sheet (MSDS)

3. Route of synthesis (ROS)

4. Method of Aanlysis (MOA)

5. Nuclear Magnetic Resonance (NMR)

6. Packing pictures and loading video before loading

7. Free Sample

8. Factory audit


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.


Q1: Do you accept sample order?
A:  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.
Q2:  What is our advantage?
A : The series of natural extracted product are all self-developed, produced and tested. Mature production technology, strict cost control, and perfect quality assurance system, ensure the product stability and competitive price.
Q3: What’s your MOQ?
A :  Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.
Q4: Do you supply product report?
A : Yes. We'll give you product analysis report before shipping.
 Q5: Is there a discount?
A :  Different quantity has different discount.
Q6: Can we visit your factory?
A :  Yes. Welcome to visit.
Q7: How to confirm the Product Quality before placing orders?
A :  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.


Signal :Danger

H318 (38.97%): Causes serious eye damage [Danger Serious eye damage/eye irritation]

H360 (57.35%): May damage fertility or the unborn child [Danger Reproductive toxicity]

H373 (25.74%): Causes damage to organs through prolonged or repeated exposure [Warning Specific target organ toxicity, repeated exposure]


Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Store protected from moisture.


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.



Packing can be conducted according to customers' requirements.

Delivery detail

   [Delivery] 5 working days after payment.

Cimetidine picture

Packaging and shipping

Honor Certificate

Professional team