—— Product Specifications ——

—— Product Detail ——

• • • • • • • • • • • • • • • • • • • Product Overview

                                      Aminomethanesulfonic acid is a simple organosulfur compound with the molecular formula CH₅NO₃S and a molecular weight of 111.12 g/mol. This white to off-white crystalline powder is the amino derivative of methanesulfonic acid, featuring a primary amine group attached to the carbon adjacent to a sulfonic acid moiety. It serves as a versatile building block in organic synthesis and pharmaceutical research. The compound is particularly notable for its role as a precursor to acyclic nucleoside phosphonate analogues and other bioactive molecules.

                                      Synthetic Process

                                      Aminomethanesulfonic acid is synthesized through the following routes:

                                      • Reaction of sodium sulfite with formaldehyde and ammonia: Sodium sulfite is reacted with formaldehyde and ammonia or ammonium chloride to form the amino sulfonic acid salt, which is then acidified to yield the free acid.

                                      • Hydrolysis of aminomethanesulfonyl chloride: Aminomethanesulfonyl chloride is hydrolyzed under controlled conditions to yield the sulfonic acid.

                                      • Purification: The crude product is purified by recrystallization from water or water-alcohol mixtures.

                                      Mechanism of Action / Application Principles

                                      • Pharmaceutical Intermediate: Serves as a building block for the synthesis of acyclic nucleoside phosphonate analogues and other bioactive molecules.

                                      • Buffer Applications: The compound's zwitterionic nature makes it suitable for certain buffer formulations in biochemical applications.

                                      • Organic Synthesis: The amino group can be derivatized to amides, imines, and other functional groups, while the sulfonic acid provides water solubility and ionic character.

— C ompany Profile ——

Jinan Topfull Chemical Co., Ltd. is an international company rooted in China, specializing in the export of chemical products.

Our company is committed to making every effort to provide ideal chemical products to potential customers worldwide, including but not limited to: organic/inorganic reagents, biological reagents, plant extracts, pharmaceutical intermediates, active pharmaceutical ingredients (APIs), reference standards, reference substances, peptides, and more. Meanwhile, we have established long-term and stable cooperative relationships with university laboratories and off-campus research institutions, enabling us to offer tailored product services based on customers' actual needs.

We currently support customized services for most product categories, with supply quantities ranging from milligram (mg), gram (g) to kilogram (kg) levels, as well as wholesale. Product purity covers the full spectrum from 90% to 99.9%, providing customers with one-stop convenient services.

To date, our products have been exported to developed countries such as the United States, Australia, Canada, Mexico, as well as EU member states including France, Germany, and many other countries and regions such as Nigeria, Ghana, Southeast Asia, and other parts of Asia. Our product quality and services have consistently received high praise.

Looking ahead, our company will continue to serve as a bridge connecting China and the world, delivering high-quality products and services to global customers.

—— Q&A ——

Q1: How to confirm the product quality before placing orders?
A: By sending you available samples. Or if you have special requirements for the goods, we can prepare samples according to your requirements for confirmation.

Q2: Can you supply free samples?
A: Yes, we can provide a free sample, but the shipping cost will be paid by the customers. You can either pay the shipping cost or arrange a courier to collect the samples.

Q3: How do you treat quality complaints?
A: All our products are strictly tested by our QC and confirmed by QA; unqualified material will not be released to customers. If any quality problem is confirmed to be caused by us, we will replace the goods or refund your payment immediately.

Q4: What is your MOQ? Is there a discount?
A: For highvalue products, our MOQ starts from 1g and generally starts from 10g. For other lowprice products, our MOQ starts from 100g and 1kg.
Q: Is there a discount?
A: Yes, for larger quantities, we always support with better prices.

Q5: How to start orders or make payments?
A: You can send us your Purchase Order (if your company has one), or just send a simple confirmation by email or via Trade Manager. We will then send you a Proforma Invoice with our bank details for your confirmation, and you can make payment accordingly. If you have other preferred payment methods, we are open to discussion and negotiation.