Adverse Effects of Prazosin Hydrochloride

Prazosin hydrochloride is an antihypertensive, peripherally acting alpha1-adrenergic blocker.

Item name: Prazosin hydrochloride
Cas: 19237-84-4
Molecular Formula: C19H22ClN5O4
Molecular weight:419.86 g/mol
Item Application: Prazosin hydrochloride is a white or almost white crystalline powder. It is a vasodilator drug and it is can be used to treat mild to severe essential hypertension or renal hypertension.

Prazosin hydrochloride is Postsynaptic α1-adrenergic blocking agent; quinazoline derivative. Prazosin hydrochloride capsules are indicated in the treatment of hypertension. It can be used alone or in combination with other antihypertensive drugs such as diuretics or beta-adrenergic blocking agents.

The initial dose of prazosin hydrochloride can cause a large drop in blood pressure and syncope, especially in patients who are volume depleted or are concurrently using beta blockers. Common ongoing adverse effects include tachycardia, palpations, orthostatic hypotension, fainting, dizziness, headache, drowsiness, urinary urgency, weakness, and nausea. Rarely cataracts have appeared or worsened with the use of prazosin.

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Knowledge of AKD Wax

Item name: AKD Wax
Purity (HPLC):85% min
Appearance: Pale yellow flake
Melting point:47 °Cmin

Compare to Acidic sizing agent (Gum Rosin), The Neutral / Alkaline Sizing Agent (AKD) is a chemical treatment that reduces machine breakdown and water recycling difficulties of the standard acidic paper manufacture process by minimizing water absorption and enhancing the surface conditions of paper during a neutral paper manufacturing process. AKD plays a significant role in minimizing the detrimental environmental impact of water contamination by facilitating the recycling of water in the paper production process. In particular, the reactive neutral sizing AKD Emulsion produced by us has increased the amount of AKD particles per unit volume through effective dispersion, resulting in improved sizing effects in the range of pH 6.5~9.0.

The Kinds of Paper AKD Mainly Used for:

Sizing requirements of the paper: electrostatic copy paper, carbonless paper, tipping paper, color inkjet paper, photo base paper, double-sided offset paper, liquid food packaging, fruit bag paper, paper cups, paper, white cardboard, anti-posted the base paper, adhesive tape paper.

Sizing requirements of a more general paper: writing paper, textbooks, paper, transfer printing paper, offset newsprint, a single tape, copper base paper, flour, leather, cardboard, yarn, pipe base paper, offset coated paper, typing paper, glazed paper, corrugating medium.

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Simple Introduction of e-Modules

A solar panel (also solar module, photovoltaic module or photovoltaic panel) is a packaged, connected assembly of photovoltaic cells. The solar panel can be used as a component of a larger photovoltaic system to generate and supply electricity in commercial and residential applications. Each panel is rated by its DC output power under standard test conditions, and typically ranges from 100 to 450 watts. The efficiency of a panel determines the area of a panel given the same rated output – an 8% efficient 230 watt panel will have twice the area of a 16% efficient 230 watt panel.

Because a single solar panel can produce only a limited amount of power, most installations contain multiple panels. A photovoltaic system typically includes an array of solar panels, an inverter, and sometimes a battery and or solar tracker and interconnection wiring.
Item name: e-Modules
Description:
Economical solar modules has best performance-to-price ratio and fast return on investment .It is an environmentally friendly production, non-toxic and no potential environmental and legal risks.

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Brief Introduction of AU5 Peptide

This synthetic peptide (H2N-TDFYLK-COOH) corresponds to the epitope detected by the AU5 monoclonal antibody. It is sold for laboratory research use only, not for human or in-vivo use.AU5 Peptide should be stored lyophilized or at-20°Cin solution.

Peptides have recently received prominence in molecular biology for several reasons. The first is that peptides allow the creation of peptide antibodies in animals without the need to purify the protein of interest. This involves synthesizing antigenic peptides of sections of the protein of interest. These will then be used to make antibodies in a rabbit or mouse against the protein.

Another reason is that peptides have become instrumental in mass spectrometry, allowing the identification of proteins of interest based on peptide masses and sequence. In this case the peptides are most often generated by in-gel digestion after electrophoretic separation of the proteins.

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Specifications of 2,3,5,6-Tetramethyl-1,4-Phenylenediamine

Item name:2,3,5,6-Tetramethyl-1,4-phenylenediamine
CAS:             3102-87-2
Molecular Formula:             C10H16N2
Formula Weight: 164.25
Specifications of 2,3,5,6-Tetramethyl-1,4-Phenylenediamine:
Density:1.032 g/cm3
Melting Point: 150-155 °C(lit.)
Boiling Point:310.6 °C at 760 mmHg
Flash Point: 167.8 °C
Appearance: light yellow powder.
Use: Used as medicine intermediate.
Storage: under cool dry place or refrigerator ventilation optimal cryopreservation.

p-Phenylenediamine (PPD)(1,4-phenylenediamine) is an organic compound with the formula C6H4(NH2)2. This derivative of aniline is a colorless solid, but typically samples can contain yellowish impurities arising from oxidation. It is mainly used as a component of engineering polymers and composites. It is also an ingredient in hair dyes.

PPD is easily oxidized, and for this reason derivatives of PPD are used as antiozonants in production of rubber products. The substituents, naphthyl, isopropyl etc. affect the effectiveness of their antioxidant roles as well as their properties as skin irritants.

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Properties of (+)-Usniacin

(+)-Usniacin is a naturally occurring dibenzofuran derivative found in several lichen species.Although it is generally believed that usnic acid is exclusively restricted to lichens, in a few unconfirmed isolated cases the compound was found in kombucha tea and non-lichenized ascomycetes.

Item name: (+)-Usniacin
CAS: 125-46-2
Molecular formula: C18H16O7
Molecular Weight: 344.32
Alias: usnic acid; (+)-Usnic acid; (+)-Usnein; (+)-Usniacin; D-2,6-Diacetyl-7,9-dihydroxy-8, 9b-dimethyl-1, 3 (2H , 9bH) – Dibenzofurandione;
Appearance: yellow crystalline powder.
Melting point: 192-204 ° C
Optical rotation: [α] D20 +495 ° ~ 497 ° (C = 1, in of CHCl3)
Stability: Normally stable.

Properties: (+)-Usniacin is a yellow rhombic prismatic crystals (acetone). The melting point of204 ℃.The optical rotation of 509.4 ° (c = 0.697, chloroform). Solubility at 25 ° C (g/100ml Water) <0.01, acetone 0.77, ethyl acetate, 0.88, ethanol 0.02, uronic 7.32, sugar alcohols 1.21. Chemical synthesis or biological synthesis system.

(+)-Usniacin is a broad-spectrum antibiotics, the majority of Gram-positive bacteria have a strong inhibitory effect, but also can inhibit the growth of M. tuberculosis. If combined with a small amount of streptomycin, and its role in the inhibition of M. tuberculosis can be greatly strengthened, and nontoxic. Usnic acid on the protozoa, Trichomonas vaginalis was inhibited. Partial hepatectomy in rats fed usnic acid promote liver regeneration. Formulations containing this product have a significant therapeutic effect on cancer patients. Have a certain effect on the antimalarial clinical. Trauma, burns and skin diseases, cervical inflammation, nipple crack, the prevention of perineal rupture and have a certain effect. In addition, can also be used as antibiotic of topiramate feeding “raw materials.

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Simple Description of C14 Alcohol

C14 Alcohol is a colorless crystal with the melting point 37-40 ºC and the boiling point  289ºC. It is soluble in alcohol, ether, chloroform and acetone. But it is insoluble in water. It is irritating.It is used in oganic synthesis.C14 Alcohol should be sealed at a cool place.

Item name: C14 Alcohol
CAS: 112-72-1
Fomular: C14H30O
Molecular weight: 214.39g/mol

If released into the environment, C14 Alcohol Light Ends is rapidly broken down by naturally occurring microorganisms. Harmless carbon dioxide and water are formed in this process. Since it is rapidly broken down, C14 Alcohol Light Ends is unlikely to build up in plants and animals. If an accidental spill occurs, it is possible C14 Alcohol Light Ends could cause harmful effects to plants and animals living in the rivers and lakes. However, because it is so easily broken down, it does not present an environmental hazard from normal use and release.

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Simple Description of Diethylene Glycol Dibutyl Ether

Diethylene glycol is derived as a co-product with ethylene glycol and triethylene glycol. The industry generally operates to maximize MEG production. Ethylene glycol is by far the largest volume of the glycol products in a variety of applications. Availability of DEG will depend on demand for derivatives of the primary product, ethylene glycol, rather than on DEG market requirements.

Products Name: Diethylene glycol dibutyl ether
Molecular Formula: C12H26O3
CAS No.: 112-73-2

Dibutyl ether is a colourless, neutral, readily flammable liquid of low volatility with a characteristic odour. It is insoluble in water, but miscible with most common organic solvents. It should also be protected from heat, light and air because of the danger of peroxide formation.

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General Knowledge of 2-Pyrrolidone

N-Methyl-2-pyrrolidone (NMP) is a chemical compound with 5-membered lactam structure. It is a clear to slightly yellow liquid miscible with water and solvents like ethyl acetate, chloroform, benzene and lower alcohols or ketones. It also belongs to the class of dipolar aprotic solvents which includes also dimethylformamide, dimethylacetamide and dimethyl sulfoxide. Other names for this compound are: 1-methyl-2-pyrrolidone, N-methyl-2-pyrrolidinone, N-methylpyrrolidone, N-methylpyrrolidinone and pharmasolve.

Item Name: 2-Pyrrolidone
Molecular Formula: C4H7NO
CAS No.: 616-45-5

2-Pyrrolidone (2-Pyrrolidinone,2-Pyrol) is an organic compound consisting of a five-membered lactam. It is a colorless liquid which is used in industrial settings as a high-boiling non-corrosive polar solvent for a wide variety of applications. It is miscible with a wide variety of other solvents including water, ethanol, diethyl ether, chloroform, benzene, ethyl acetate and carbon disulfide.

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Explanation of Formestane

Item name:Formestane
CAS:566-48-3
Molecular Formula:C19H26O3
Molecular Weight:302.41 g/mol
Specification: Enterprise standard

Formestane is often used to suppress estrogen production from anabolic steroids or prohormones. It also acts as a prohormone to 4-hydroxytestosterone, an active steroid which displays weak androgenic activity in addition to acting as a mild aromatase inhibitor.

Formestane has poor oral bioavailability and as such is no longer popular as many orally active aromatase inhibitors have been identified.

It is selective.

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