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Pyrazole CAS No.288-13-1

is pyrazole and imidazole

is pyrazole and imidazole

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Packaging: 25kgs carton

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In heterocyclic compound, nitrogen containing heterocycles are the core structures of many bioactive compounds and have many applications in chemistry, biology and other scientific fields. They are the building blocks of life because they are...
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pyrazole uv vis spectrum

pyrazole uv vis spectrum

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Historically, heterocyclic compound and their derivatives have been invaluable as sources of therapeutic agents. Pyrazole, which has two nitrogen atoms and two aromatic groups, provides multiple functions and stereochemical complexity in the...
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pyrazole in medicinal chemistry

pyrazole in medicinal chemistry

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Pyrazolone derivatives are also used as azo cotton dyes to improve quality, such as brightness and light resistance. The 5-aminopyrazole system represents an important heterocyclic compound and is of interest because of its long history of...
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what does pyrazole mean

what does pyrazole mean

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Derivatives of PYRAZOLIDINE-3,5-DIKETONES: phenylbutanone, tributylketone, ketobutanone. Derivatives of PYRROLIDINE: Notropilum, Polyvinylpyrrolidone, is used for cognitive problems with dementia, such as chronic or persistent mental disorders...
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pyrazole-4-boronic acid pinacol ester

pyrazole-4-boronic acid pinacol ester

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Pyrazole nuclei form many substructures of natural products and bioactive compounds. The medical uses of several derived tools of these systems are described below: A derivative of Pyrrolidine: Notropilum Polyvinylpyrrolidone, used for dementia and...
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protecting group for pyrazole

protecting group for pyrazole

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PYRAZOLE is prepared by the action of hydrazine on 1,3-difunctional derivatives (such as carbonyl) , which can be substituted by Ternary rings, Usually oxirane-substituted pyrrole-indole derivatives. The Diazo was added to the acetylene to obtain...
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what is pyrazole in chemistry

what is pyrazole in chemistry

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The presence of Inductive effect in pyrazole facilitates nucleophilic substitution. Pyrazole and its derivatives are synthesized from hydrazine or its derivatives and 1,3-dicarbonyl compounds using acid catalysts. Pyrazole was synthesized in one...
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molecular formula for pyrazole

molecular formula for pyrazole

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The pyrazole ring system is resistant to oxidants, but in the presence of potassium permanganate, the side chains can be oxidized to carboxylic acid groups. Pyrazole ring system can be reduced to Pyrazole and Pyrazolidine by molecular hydrogen and...
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chemical formula for pyrazole

chemical formula for pyrazole

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Pyrazole has the ability of antioxidation and reduction due to its loss of aromaticity, but it can be first catalyzed to Pyrazoline, then to Pyrazolidine, then to catalytic hydrogenation. Both compounds are stronger bases than pyrazole. Pyrazole was...
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is pyrazole acidic or basic

is pyrazole acidic or basic

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The free N-H groups in Pyrazole can be alkylated with alkylating agents such as alkyl Halides, diazomethane and dimethyl sulfate, or acylchloride and acetic anhydride. Pyrazole is an aromatic compound that has all the properties of an aromatic...
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how to name pyrazole

how to name pyrazole

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Pyrazole is a colorless solid with boiling point (BP) of 186-188 °C, Melting Point (MP) of 67-70 °C, PKB = 11.5(PKA of conjugated acid is 2.49 at 25 °C, molecular weight Wt. 68.0776 G/mol, soluble in water. Pyrazole was synthesized in one step using...
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is pyrazole a pesticide

is pyrazole a pesticide

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Pyrazoles are rare in nature;-(1-pyrazolyl) alanine was isolated from the seeds of watermelon (Citrullus Lanatus)(L. Fowden) in 1959. Pyrazole compounds have a wide range of biological activities, such as anti-diabetes, anti-virus, anti-cancer,...
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how is pyrazole formed

how is pyrazole formed

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The highest point and the B. P. Compared with 1-alkyl or aryl substituted pyrazoles, the number of moles of pyrazoles is due to the hydrogen bonding between molecules. It's an tautomeric substance. Pyrazole is a weakly basic salt formed with...
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how to synthesis pyrazole

how to synthesis pyrazole

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Pyrazole and Heterocyclic fused pyrazole derivatives represent an important class of heterocyclic compound and have many applications. Some of these compounds are used as anti-inflammatory compounds, platelet aggregation inhibitors, adenosine...
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pyrazole and ethanol metabolism

pyrazole and ethanol metabolism

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Owing to several potential applications, the novel design of Pyrazoles, the discovery of novel synthetic routes for Pyrazoles, the study of different potency of pyrazoles and the search for potential applications of pyrazoles are increasing in...
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pyrazole boronic acid pinacol ester

pyrazole boronic acid pinacol ester

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Packaging: 25kgs carton

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Pyrazole, a five membered heterocycle containing two nitrogen atoms, is widely used as the core framework in the vast heterocyclic compound, a compound that encapsulates promising agrochemistry, fluorescence, and bioefficiency. Pyrazole was...
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why is pyrazole highly soluble in water

why is pyrazole highly soluble in water

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Packaging: 25kgs carton

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Pyrazole compounds are a new kind of pharmaceutical and pesticide intermediates, which are widely used in the fields of pesticide, electronics and medicine. The content of total active ingredient is more than 98.0% , the moisture is less than 0.5% ,...
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pyrazole or their derivatives occurs in

pyrazole or their derivatives occurs in

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Pyrazole was synthesized in one step using glycerol and hydrazine hydrate as dehydrogenation catalyst in sulfuric acid by using sodium iodide, which is cheap and easily obtained, and then neutralized by Liquid Alkali to Ph = 7-8, filtered to remove...
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pyrazole thiamethoxam bacteria amine

pyrazole thiamethoxam bacteria amine

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Pyrazole, as an intermediate of some medicine and pesticide, plays an important role in the research and development of medicine and pesticide. More and more attention has been paid to pyrazole compounds because of their broad action spectrum and...
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knorr pyrazole synthesis applications

knorr pyrazole synthesis applications

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Pyrazole can also be used as the side chain of some photosensitive monomers. In addition, Pyrazole is also used as a halogen-containing Solvent, lubricant stabilizer, chelating agent, organic synthesis intermediate. Pyrazole, also known as...
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knorr pyrazole synthesis slideshare

knorr pyrazole synthesis slideshare

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Packaging: 25kgs carton

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Pyrazole, also known as 1,2-diazoles, Diazene Pentacyclines, o-diazepines; is White needle-shaped or prismatic crystal, from ethanol crystallization of pyrazole is colorless needle-shaped crystal. Pyridine-like odor and pungent bitter taste, soluble...
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China Pyrazole CAS No.288-13-1 Suppliers

Pyrazole, also known as 1,2-diazoles, Diazene Pentacyclines, o-diazepines; is White needle-shaped or prismatic crystal, from ethanol crystallization of pyrazole is colorless needle-shaped crystal. Pyridine-like odor and pungent bitter taste, soluble in water, alcohol, ether and benzene. The boiling point and melting point of the compounds increased when there were substituents on the carbon atoms, and decreased when there were substituents on the nitrogen atoms. Chlorination, bromination, iodination, alkylation and acylation are easy to occur. The formula is C3H4N2.

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Indicators

Electronic grade

Pharmaceutical grade

Pesticide Grade

Appearance

Natural Grain Crystal

Crystallization of natural particles or mechanical granulation

Mechanical

Granulation

Content (%) ,

chromatographic method ≥

99.5

99

98.5

Whiteness(r457)

Natural Crystal: Colorless Transparent Crystal

Mechanical Granulation

≥60

Natural Crystal: Colorless Transparent Crystal

Mechanical

Granulation

≥55~<60

Moisture content (%) ≤

0.5

0.8

1.0

Fe+ (%) ≤

0.00005

--

--

Melting point ℃

67.0~70.0

67.0~70.0

67.0~70.0


Packaging, transportation and storage:

Pyrazole is transported in sealed plastic-lined cardboard or iron drums and stored in dry, ventilated, rain-proof and sun-proof places to avoid mixing with hydroxide. Keep away from heat and open flames.

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