Where to buy Tetrahydrofuran?

CAS: 109-99-9

Molecular Formula: C4H8O

Molecular Weight: 72.11

Description:

Tetrahydrofuran is a bright achromatic aqueous with an aerial odor. Less close than water. Flash point 6°F. Vapors are added than air.Tetrahydrofuran (THF) is an amoebic admixture with the blueprint (CH2)4O. The admixture is classified as heterocyclic compound, accurately a circadian ether. It is a colorless, water-miscible amoebic aqueous with low viscosity. It is mainly acclimated as a forerunner to polymers. Being arctic and accepting a advanced aqueous range, THF is a able solvent.

As a professional supplier and manufacturer of Pharmaceutical Ingredients, Green Stone Swiss Co ., ltd. has been supplying quality Tetrahydrofuran to customers all over the world for over 10 years. If you have any questions or wish to receive a quote, please feel free to reach us by email: sales@medicinerawmaterials.com or by phone: +86 592 5365887 . Our sales person will get back to you in 1 working day.

Where to buy TanshinoneⅡA?

CAS: 568-72-9

Molecular Formula: C19H18O3

Molecular Weight: 294.33

Appearance: Orange powder

Usage:

antineoplastic, bone resorption inhibitor, antiproliferative, apoptosis inducer

As a professional supplier and manufacturer of Pharmaceutical Ingredients, Green Stone Swiss Co ., ltd. has been supplying quality TanshinoneⅡA to customers all over the world for over 10 years. If you have any questions or wish to receive a quote, please feel free to reach us by email: sales@medicinerawmaterials.com or by phone: +86 592 5365887 . Our sales person will get back to you in 1 working day.

Oxandrolone Description

Oxandrolone is a constructed hormone with anabolic and androgenic properties.

Oxandrolone is a synthetic, anabolic steroid hormone analog of testosterone. Similar to testosterone, oxandrolone binds to and activates specific nuclear receptors. This abettor may be acclimated for testosterone backup analysis in hypogonadal men, in HIV-wasting syndrome, and in added altitude in adjustment to access nitrogen assimilation and fat-free beef mass.

Use to advance weight accretion afterwards weight accident afterward all-encompassing surgery.

Oxandrolone is an anabolic steroids adumbrated as accessory analysis to advance weight accretion afterwards weight accident afterward all-encompassing surgery, abiding infections, or astringent trauma, and in some patients who after audible pathophysiologic affidavit abort to accretion or to advance accustomed weight, to account the protein catabolism associated with abiding administering of corticosteroids, and for the abatement of the cartilage affliction frequently accompanying osteoporosis. Anabolic steroids are constructed derivatives of testosterone.

Hydrogen Cyanide History of Discovery

Hydrogen cyanide was aboriginal abandoned from a dejected colorant (Prussian blue) which had been accepted back 1704 but whose anatomy was unknown. It is now accepted to be a allocation polymer with a circuitous anatomy and an empiric blueprint of hydrated adamant ferrocyanide. In 1752, the French chemist Pierre Macquer fabricated the important footfall of assuming that Prussian dejected could be adapted to adamant oxide additional a airy basic and that these could be acclimated to reconstitute it. The new basic was what we now apperceive as hydrogen cyanide. Following Macquer's lead, it was aboriginal able from Prussian dejected by the Swedish chemist Carl Wilhelm Scheele in 1782, and was eventually accustomed the German name Blausäure (lit. "Blue acid") because of its acerb attributes in baptize and its ancestry from Prussian blue. In English, it became accepted bargain as prussic acid.

In 1787, the French chemist Claude Louis Berthollet showed that prussic acid did not accommodate oxygen, an important addition to acid theory, which had ahead accepted that acids have to accommodate oxygen (hence the name of oxygen itself, which is acquired from Greek elements that beggarly "acid-former" and are additionally calqued into German as Sauerstoff). In 1811, Joseph Louis Gay-Lussac able pure, liquified hydrogen cyanide.[16] In 1815, Gay-Lussac deduced Prussic acid's actinic formula. The abolitionist cyanide in hydrogen cyanide was accustomed its name from cyan, not alone an English chat for a adumbration of dejected but the Greek chat for dejected (Ancient Greek: κυανοῦς), afresh attributable to its ancestry from Prussian blue.

What is Trimethylamine?

CAS: 75-50-3

Molecular Formula: C3H9N

Molecular Weight: 59.11

Trimethylamine is an amoebic admixture with the adapt N(CH3)3. This colorless, hygroscopic, and burnable tertiary amine has a able "fishy" odor in low concentrations and an ammonia-like odor at academy concentrations. It is a gas at allowance temperature but is usually abounding in pressurized gas cylinders or as a 40% band-aid in water. TMA is a nitrogenous abject and can be readily protonated to accordance trimethylammonium cation. Trimethylammonium chloride is a hygroscopic achromatic solid able from hydrochloric acid. Trimethylamine is a adequate nucleophile, and this acceptance is the abject of a lot of of its applications.

Trimethylamine is a achievement of atomization of plants and animals. In humans, it is actinic abandoned by gut microbiota from comestible nutrients such as choline and carnitine. High levels of trimethylamine are associated with the development of bend odor amore and atherosclerosis, which arise from the foul, cryptic odor of trimethylamine and the proatherogenic acreage of its metabolite, trimethylamine N-oxide, respectively. TMA is the achievement mainly acquiescent for the odor about associated with admixture fish, some infections, bad action and can be a could could cause of vaginal odor due to bacterial vaginosis. It is aswell associated with demography abounding doses of choline and carnitine.