Specifications of Dihydrostreptomycin Sesquisulfate Salt CAS 1425-61-2 COA：

Items	Specifications	Results
Appearance	A white or almost white powder,Freely soluble in water,practically insoluble in acetone,in alcohol and in methanol.	A white powder
Identification	A. TLC B. A red colour develops C. A violet-pink colour is produced D. Reaction of sulphate	Complies Complies Complies Complies
Tests
Appearance of solution	Colour:Not more intense than ref.sol 5	Y6
Appearance of solution	Clarity:Not more opalescent than ref.suspension II 5.0 to 7.0	＜1
PH	5.0 to 7.0	6.4
Specific optical rotation (dried substance)	-83.0 to -91.0	-88.0
Heavy metals	Not more than 20ppm	＜20ppm
Loss on drying	Not more than5.0%	3.7%
Sulfated ash	Not more than 1.0%	0.59%
Bacterial Endotoxins	Less than 0.50IU/mg	＜0.25IU/mg
Streptomycin	≤1.0%	＜1.0%
Methanol	≤0.2%	N/A
Sulphate	18.0% to 21.5%	18.8%
Sterility	Sterile	Complies
Assay(dried substance)	≥730IU/mg	777 IU/mg
Conclusion	The product conforms to the above specifications.

Parameters of Dihydrostreptomycin Sesquisulfate Salt CAS 1425-61-2

Product parameters
Cas number:	1425-61-2
Appearance:	A white or almost white powder
Purity:	730 IU/mg min
Package details:	7kg/tin;2tin/carton
Brand:	Fortunachem

Uses:

Dihydrostreptomycin Sesquisulfate Salt

Important note: Dihydrostreptomycin sesquisulfate salt is essentially the same compound as dihydrostreptomycin sulphate — "sesquisulfate" simply specifies the exact stoichiometry of the sulfate salt form. "Sesqui-" means 1.5, indicating 1.5 sulfate (H₂SO₄) molecules per 2 molecules of dihydrostreptomycin base, giving the formula (C₂₁H₄₁N₇O₁₂)₂·3H₂SO₄ (MW 1461.42 g/mol, CAS 5490-27-4).

Uses

Veterinary medicine — treats bacterial infections in cattle, pigs, sheep, and horses (respiratory infections, mastitis, enteritis, leptospirosis)
Cell culture supplement — prevents bacterial contamination in research media (BioReagent grade)
Pharmaceutical reference standard — quality control and analytical method development
Agricultural crop protection — broad-spectrum antimicrobial applications

Selling Points

Broad-spectrum bactericidal — effective against Gram-negative, Gram-positive bacteria, and mycobacteria
Superior chemical stability — not inactivated by cysteine, hydroxylamine, or alkali heating (unlike streptomycin)
High water solubility — easy formulation into injectables and suspensions
Cost-effective API — off-patent, mature manufacturing with competitive pricing
Multiple grades available — veterinary, BioReagent (≥95% HPLC), and certified reference standards
Pharmacopoeia recognized — listed in USP and Ph. Eur. with established monographs

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Also, if you have any other questions, you can contact us
FAQ From Wuhan Fortuna Chemical Co.,Ltd

Q1: Can I get a sample for free ?
A: For small QTY and low value product, we can provide sample for free exclude shipping cost. For high value sample, we will charge the basic sample cost, but we can refund all the cost if customers place order after sample test.
Q2: How to confirm the product quality before placing orders ?
A: Most of our products confirm to international standards like USP/EP/BP/JP/CP. We will provide COA/TDS/MSDS for customers to confirm the specification before placing order.
Q3: What is the payment you accept?
A: For small and low value order, we accept CreditCard, MaterCard,VISA,Western Union and T/T.For large order, we can do T/T and L/C. Any pay on delivery or pay-after are not available for us.
Q4: What is your shipment way ?
A: For less than 100kg gross weight order will ship with courier like FedEx or UPS, we support customers to place courier orders remotely by their account, we will package the goods well and wait for pick up.For more than 100kg goods, we will transport by Air or Sea according to customers' requirement.
Q5: How long is your after-sales service?
A: We accept customer’s quality complaint in three month after customer received the goods. We provide tech.support for all-life if customer place order from our company.

Q6: How do you treat quality complaint ?

A: We support customer to provide our products to any rightful third party testing organization to test our products according to the COA specification, if the test result is confirm with COA, we will take all the loss for customers.

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Company Information

Name:Wuhan Fortuna Chemical Co.,Ltd

Category:Others

Trade Category: Trading Company

Employees: 11 - 50 People

Address: Room 2015, No.2 Building, Kaixin Mansion No.107

Company Information: Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical and Intermediates, Food and Feed additives, Fine chemicals,Biochemical and Reagent, which is the members of Hubei E-commerce Chamber.

Our company has professional persons who major in chemical R&D and sicentific management, supply fine chemical products with high quality and close service, also supply custom-tailored products according to our clients' requirement.

We have a positive and self-motivated management work team with a common philosophy, caring and commitment through teamwork, our team strive to achieve success in delighting our clients and ourselves.

Since Wuhan Fortuna Chemical Co., Ltd founded, we continuously innovate our products and improve our service, sales network. Hence, we initiate the first sale mode on net in China, which is the retail trade of small package bring along wholesale of diversified management modes. Our products are exported widely to South Korea, Vietnam, Australia, Europe and South America, highly recommended by our clients.We insist on the management creed “Market is our compass, Quality is our life, Credit is our soul”. Clients’ trust is our forward power, their satisfaction is our struggling goal.

Wuhan Fortuna Chemical Co.,Ltd is a professional manufacturer which provide Dihydrostreptomycin Sesquisulfate Salt with good quality and best price, welcome to contact us to get COA/TDS/MSDS of Dihydrostreptomycin Sesquisulfate Salt.

Our Advantages:

1. Guaranteed purity;

2. Large quantity in stock;

3. Largest manufacturer;

4. Best service after shipment with email;

5. High quality & competitive price;