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High Quality BP/CP/EP Standard White Powder Calcium dobesilate CAS 20123-80-2

Name: High Quality BP/CP/EP Standard White Powder Calcium dobesilate CAS 20123-80-2
Brand: HyperChem
SKU: pr2503051201
Price: 100 USD
Availability: InStock

TDS 2 Inquiries

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CAS No.:

20123-80-2

Grade:

Pharmaceutical Grade

Content:

99%

Port:

SHANGHAI

Brand:

HyperChem

Packaging:

1kg/Bag, 25kg/drum

Price valid (until):

2025-04-05

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Hangzhou Hyper Chemicals Limited

Company Type:

Trader

Location:

China

Qualification:

Main Products:

Pharmaceuticals,Peptide,Cosmetics,Nutritional Supplements

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Product Description
Seller Information
Inquiry History

Description

Name	Calcium dobesilate
CAS number	20123-80-2
EINECS number	243-531-5
Synonym	Calcium Dobesilate Mnohydrate; Calcium dobesilate; 2,5-Dihydroxybenzenesulfonic acid, calcium salt; 2,5-dihydroxy-benzenesulfonic aci calcium salt;
Description	Calcium dobesilate is a medication used primarily to treat chronic venous insufficiency (CVI) and hemorrhoids. It is a vasoprotective agent that helps improve blood flow and reduce inflammation in the veins.
Structure
Molecular Formula	2C6H5O5S.Ca
Molecular Weight	418.41 g/mol
Appearance	Solid powder
Quality Standard	CP/EP/BP Standard
Assay	≥98%
Shipping Condition	Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.
Storage Condition	Store in cool place. Keep container tightly closed in a dry and well ventilated place.
Shelf Life	>2 years if stored properly
Sample package	Aluminium foil bag
Commercial package	Aluminium Tin, Fiber drum
Origin	China

Calcium dobesilate More Info

Calcium dobesilate is a medication used primarily to treat chronic venous insufficiency (CVI) and hemorrhoids. It is a vasoprotective agent that helps improve blood flow and reduce inflammation in the veins.

Mechanism of Action

Calcium dobesilate acts by improving microcirculation and reducing capillary permeability. This action helps to decrease edema and inflammation in the affected areas, promoting healing and reducing symptoms associated with venous insufficiency and hemorrhoids.

Applications

Calcium dobesilate is used for:
Chronic Venous Insufficiency (CVI): It helps alleviate symptoms such as leg swelling, pain, and cramps.
Hemorrhoids: Calcium dobesilate is used to reduce inflammation and discomfort associated with hemorrhoids.
Other Venous Disorders: It may be used off-label for conditions like varicose veins.

Safety and Side Effects

Calcium dobesilate is generally well-tolerated, but some side effects may occur:
Common Side Effects:
Gastrointestinal disturbances (nausea, diarrhea)
Headache
Dizziness
Fatigue
Less Common Side Effects:
Allergic reactions (rare)
Increased risk of bleeding (in patients taking anticoagulants)
Serious side effects are rare but require medical attention if they occur.

Routes of Administration

Calcium dobesilate is administered orally in tablet form.

Pharmacokinetics

Absorption: Calcium dobesilate is well absorbed after oral administration.
Distribution: It has a moderate volume of distribution, indicating distribution into tissues.
Metabolism: The drug is metabolized in the liver.
Elimination: Calcium dobesilate is primarily excreted via urine.

Package Image

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FAQ

Q1. Can I get a free sample?

We can send you a samll free sample, and you only need to pay for the shipping cost.

Q2. What is the HyperChem payment term?

T/T in advance
LC at sight
DP at sight

Bank transfer

PayPal

Bitcoin...

Q3. What is HyperChem shipment policy?

Our policy is to strive for the quickest shipment time possible.

For ready stock samples, they are usually shipped within 3 working days after payment received.
For non-ready stock, please contact HyperChem sales team to negotiate.

Q4. What is HyperChem shipment term?

By Express
FedEx UPS DHL EMS
Fast: 3-7 days around, high cost, door to door service

By Air
Suitable for more than 50kg
Fast: 3-7 days, hight cost, port to port, professional broker needed

By Sea
Suitable for more than 500kg
Fast: 7-45 days, low cost, port to port, professional broker needed

We will always attempt to utilize the quickest and most affordable way for customers to receive orders. And follow -up with customers via email for all shipment details as well as updated track information until it arrives without damage.

Q5. What HyperChem will provide after shipment?

For sample orders:
After shipment is done, an timely email including:

1. Track details (Fedex /TNT/DHL/EMS Track number)
2. Packaging photo
3. COA, MSDS, etc
4. Dispatch date & Estimated arriving time
5. Shipping invoice

For commercial orders
A full set of shipment documents as well as package photos can be provided in scan-copy and original, to help customers complete the customs clearance process.

Company Profile

Established in 2013, Hyper Chem has exclusive tie-ups with leading manufacturers, supplying raw materials produced in GMP and ISO 9002 certified facilities, and provides high-quality ingredients and raw materials to cater to the requirements of our diverse range of clients.

Among them, our key client industrial sectors around the global are:

Pharmaceuticals
Nutrition Ingredients/ Dietary supplements
Cosmetic Ingredients
Food Ingredients
Veterinary API
Agriculture fertilizer
Custom Synthesis lab supply

HyperChem provides to its wonderful and honorable clients comprehensive purchasing and distribution services which ensure that we are delivering the right generic, raw, or customized product, make sure that we are delivering it at the right time, ensure that it is delivered in the specified amount, and in the right kind of packaging to clients and customers of all types of industries irrespective of their size of operation.

Certificates

Basic Info

Product Name:

Calcium dobesilate

Other Name:

Benzenesulfonic acid,2,5-dihydroxy-,calcium salt (2:1);Hydroquinone calcium sulfonate;Calcium bis(2,5-dihydroxybenzenesulfonate);Calcium dobesilate;Calcium p-dihydroxybenzenesulfonate;Doxium;Dobesilate calcium;2,5-Dihydroxybenzenesulfonic acid calcium salt;Calcium 2,5-dihydroxybenzenesulfonate;205E;Dobesilate calcium salt;Hydroquinone calcium sulfate;Dexium;29138-74-7;39038-15-8

CAS No.:

20123-80-2

Molecular Formula:

C6H6O5S.¹/2Ca

InChIKeys:

InChIKey=MVEKZZYTDBDHRF-UHFFFAOYSA-N

Molecular Weight:

418.41

Exact Mass:

417.93413

EC Number:

243-531-5

UNII:

5921X1560Q

DSSTox ID:

DTXSID60173946

ATC Code:

C - Cardiovascular system

HScode:

2924299090

Categories:

Other Chemical Drugs

Characteristics

PSA:

212

XLogP3:

2.16540

Appearance:

white to beige

Melting Point:

>300 °C (decomp)

Water Solubility:

H2O: soluble15mg/mL, clear

Storage Conditions:

room temp

Toxicity:

LD50 in mice: 700 mg/kg (Esteve-Subirana)

See More Calcium dobesilate Properties 

Hazard Identification

Classification of the substance or mixture

Not classified.

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)	No symbol.
Signal word	No signal word
Hazard statement(s)	none
Prevention	none
Response	none
Storage	none
Disposal	none

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

See More Calcium dobesilate Safety Data Sheet 

Seller Information

Business Type:
Trader

Main Products:
Pharmaceuticals,Peptide,Cosmetics,Nutritional Supplements

Location:
Rm. 803, Tower 4, LOFT49 Creative City Pioneer Zone, No.88 Jiru Rd. Gongshu Dist., Hangzhou, 310015 ZJ, China

Payment Terms:
TT against copy of documents,D/P,L/C,D/A,O/A,TT against B/L draft before shipment,100% TT in advance

Average lead Time:
10

Total Annual Revenue:
$5 million-$10 million

Total Employees:
11-50

Year of Establishment:
2013

Certifications:
Certification Report by Bureau Veritas

About HyperChem

Established in 2013, Hyper Chem has exclusive tie-ups with leading manufacturers, supplying raw materials produced in GMP and ISO 9002 certified facilities, and provides high-quality ingredients and raw materials to meet the needs of a diverse range of pharmaceutical cosmetics ingredients and nootropic supplements companies worldwide.

Our Competitiveness

One-stop supply

Wide Range Of products including pharmaceutical, Cosmetic Ingredients and nootropic supplements

Among all the pharmaceuticals,

90% of them with GMP certificates,

85% of them with DMF files and

50% of them passed FDA approval,

30% get CEP certificate

20% are new R&D products.

Custom Repackaging Service

We can efficiently repackage your material into sample sizes, custom batch-specific sizes, or semi-bulk package sizes according to your specifications. And ensures the product is packaged in a quality-controlled environment and will maintain its integrity throughout every stage of the process.

Quality Control/Quality Assurance

HyperChem is committed to delivering on its promises of top-quality products with verified quality data.

All materials are vigorously inspected by the factory and/or outsourced analytical laboratories to ensure each and every lot meets or exceeds our reference standards.

Trade assurance service with 100% payment protection, It is best achieved by delivering products and services 100% right the first time, on time, every time.

Professional

Transparent Communication

Fast Reaction,

Professional Suggestion

Beyond Expectation.

We have exclusive partnerships with research and production facilities across the country and we offer varied pharmaceutical services in the most cost-efficient way. The production facilities are GMP, WHO-GMP, EU GMP and US FDA approved and are backed by strong regulatory support such as Dossier, DMF, Tech Pack and relevant Stability studies for regulatory filings.

Inquiry History

2 Inquiries

Country	Product	Purchase Quantity	Date Posted
South Korea	Calcium Dobesilate	500	Jul 17, 2025
United States	Calcium dobesilate	10 KG	May 15, 2026

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