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Manufacturer Supply High Quality CAS 13553-79-2 Rifamycin S
Model NO.
TY-79XQ
Colour
White
Assay
99%
Shelf
2 Years
Place
China
Package
Foil Bag
Transport Package
25kg/Drum 5g, 100g, 500g, 1kg, 10kg, 100kg, 200kg
Specification
25kg/drum
Trademark
tongyon
Origin
China
Production Capacity
5000kg/Month
Reference Price
Please contact us for quote
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Description
Product Description
Product name
Rifamycin S
CAS
13553-79-2
Appearance
white powder
Assay
99%
Storage
Cool and Protect from light
Rifamycin S
Product Name Rifamycin S
CAS 13553-79-2
MF C37H45NO12
MW 695.75
EINECS 236-938-4
MOL File 13553-79-2.mol
Chemical Properties
Melting point 179-181°C (dec.)
alpha D20 +476° (c = 0.1 in methanoil)
Boiling point 700.89°C (rough estimate)
Density 1.2387 (rough estimate)
refractive index 1.6630 (estimate)
form neat
pka 3.85±0.70(Predicted)
λmax 390nm(MeOH)(lit.)
Merck 14,8217
Usage And Synthesis
Uses
Semi-synthetic antibiotic.
Uses
Rifamycin S (Rifaximin EP Impurity E) is a semi-synthetic antibiotic.
Pharmaceutical Applications
The rifamycins are a family of antibiotics produced by an actinomycete now classified as Amycolatopsis mediterranei. All the therapeutically useful rifamycins are semisynthetic derivatives of rifamycin B, a fermentation product that is poorly active, but easily produced and readily converted chemically into rifamycin S, from which most active derivatives are prepared. They all share the general structure.
Natural products like rifamycins, which are characterized by an aromatic ring spanned by an aliphatic bridge (ansa) are called 'ansamycins'. To this class belong the streptovaricins and the tolypomycins (chemically and biologically similar to rifamycins) and geldanamycin and the maytansines, which have quite different, antiblastic, biological activities. Among the vast number of rifamycin derivatives investigated, rifampicin (rifampin) is by far the most important and most widely used. Various others, notably rifabutin, rifapentine and rifaximin, are also in use in various parts of the world. Rifamycin SV and rifamide are much less widely available.
GuangZhou TongYi biochemistry technology Co., Ltd is a company specializing in active pharmaceutical ingredient
(API), biology, plant extracts, chemical raw materials, fine chemicals, pharmaceutical intermediates, cosmetics raw
material. Our company has always adhered to the company philosophy of integrity, professionalism, quality first, and
customer service. With the efforts of all the company's employees, it has established long-term
and stable cooperative relations with many domestic and foreign customers, and won the unanimous trust of domestic
and foreign customers. With good comments, our company have made great progress.
Our company takes pioneering and innovative, high-quality and efficient as the code of conduct, and strives to provide
customers with efficient services,
high-quality products, and reasonable prices. We have established a customer demand-oriented, flexible, diverse and customizable service according to the different needs of different customers. Mode, and ultimately achieve the goal of
win-win.
Our company focuses on the future and the world, and will continue to devote itself to technological progress and the
development of new products in the future, hoping to work hand in hand with new and old friends at home and abroad
to create a better future.
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