China Butane-1, 4-Disulfonic Acid Dimethyl Ester CAS4239-21-8/98544-67-3, Find details about China 4239-21-8 for Animal Use, Sri 916 Factory from Butane-1, 4-Disulfonic Acid Dimethyl Ester CAS4239-21-8/98544-67-3
Item | parameter |
Name | butane-1,4-disulfonic acid dimethyl ester |
Synonyms | SRI 916 |
CAS | 4239-21-8 |
Molecular Formula | C6H14O6S2 |
Formula Weight | 246.3 |
Appearance | Off-White to Pale Yellow Solid |
Melting Point | 115-118 °C(Solv: ethanol |
Boiling point | 454.7±28.0 °C(Predicted) |
Assay | 99% |
Water | <0.5% |
Residue on ignition | <0.5% |
Stability | Stable |
Storage Temp | Store below +30°C |
Origin | Wuhan China |
Application | S-Adenosyl-L-methionine Impurity Reference Standards |
Delivery | by Air, by Sea.by Courier |
Packing
Liquid products
Solid products
Shipping
Logistics transportation methods can be divided into various ways according to the different transportation means.
• Transit could be DHL,UPS,TNT,EMS,Fedex,and so on.
• For mass orders, it will be delivered by air or sea.
• Depending on your location, please allow 1-5 business days for your order to arrive.
• For small order, please expect 3-7 days by UPS DHL EMS.
• For mass order, please allow 5-8 days by Air, 15-30 days by Sea.
Our service
Our Advantages
Frequently Asked Question
• Q1: Can I get some samples?
A: Yes, we can supply the free sample, but the shipping cost be paid by customers.
• Q2: How to start orders or make payments?
A : PI will be sent first after confirmation of order,enclosed our bank information.Payment by T/T, Western Union LC,Moneygram or Paypal.
• 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: How about delivery leadtime?
A : Delivery lead time: About 3-5 days after payment confirmed.(Chinese holiday not
included)
• Q5: Is there a discount?
A : Different quantity has different discount.
• Q6: How to contact us ?
A : You can chat with us by Trademanager,MSN&Skype Online. You can choose your interested products and send inquiry to us. You can dial our telephone directly, you will get our reply. Send Email to us.
• 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.
Our R&D laboratory Our Factory
Detecting chamber
Quality
We strictly emphasize that products we provide will satisfy or exceed the quality standard of customer.This is to guarantee deliveries of safe and high quality products with reliable services.
We promote the philosophy of treating everyone with objectivity and respect.We will honor our commitments with our customers,suppliers,and respect.We through unbiased pricing,products,and honesty.
Factories and workshops
We is located in wuhan, the central city of China, the core of the Changjiang river economic belt and known as the "thoroughfare of nine provinces".Mainly engaged in Pharmaceuticals Raw Material, Pesticides Raw Materials, API Raw Material, OLED Intermediates, UV Absorber Additive, Chemical Food Additives, Plant Extract Powder, Chinese Herbal Medicine, Polyimide Monomer, Impurity Reference Standards research and development, production, sales and operation or agency of various products and technology import and export business.