2012年4月26日星期四

Export Qualified 2,6-Dimethylaniline Worldwide




Product name:2,6-Dimethylaniline
CAS:87-62-7
Molecular Formula:C8H11N
Formula Weight:121.18g/mol
Description of 2,6-Dimethylaniline:
Synonyms:2,6-Xylidine; o-Xylidine; DMA; Xylylamine;2-Amino-1,3-dimethylbenzene; 1-Amino-2,6-dimethylbenzene
Appearance:Colorless to orange liquid
Vapor pressure : <0.01 mmHg ( 20 °C)
Assay :99%
Boilting point: 214 °C/739 mmHg(lit.)
Melting point: 10-12 °C(lit.)
Density: 0.984 g/mL at 25 °C(lit.)
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Chemical Properties of 4-Methoxy-N-methylbenzylamine




Product name:4-Methoxy-N-methylbenzylamine
CAS:702-24-9
Molecular Formula:C9H13NO
Formula Weight:151.21g/mol
Description of 4-Methoxy-N-methylbenzylamine:
Synonyms:(4-methoxyphenyl)-N-methylmethanamine;1-(4-methoxyphenyl)-N-methylmethanamine.
Purity: 95+%
Melting Point :88℃
Boiling Point: 88-90℃ (1 mmHg)
Storage :Air sensitive/2-8℃
Appearance :Colorless liquid
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Good Quality N-Methylpentylamine for Sale




Product name:N-Methylpentylamine
CAS:25419-06-1
Molecular Formula:C6H15N
Formula Weight:101.19g/mol
Description of N-Methylpentylamine:
EINECS: 246-966-9
Density: 0.738
Boiling point: 116-118 ºC
Refractive index: 1.41
Flash point: 55 ºF
Appearance:Colorless to yellow liquid
Assay: 98%
Usage:organic synthesis, Ibandronate Sodium intermediate.
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Cyclohexyl Vinyl Ether at Wholesale Price





Product name:Cyclohexyl Vinyl Ether
CAS:2182-55-0
Molecular Formula:C8H14O
Formula Weight:126.2g/mol
Description of Cyclohexyl Vinyl Ether:
Synonyms: Vinyl cyclohexyl ether
EINECS: 218-561-7
Density : 0.891
Boiling point: 147-148 ºC
Refractive index:L 1.454
Flash point: 95 ºF
Usage:used for chemical reagent,organic intermediate, fine chemicals
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4-(Trifluoromethyl)phenylboronic Acid Provider




Product name:4-(Trifluoromethyl)phenylboronic Acid
CAS:128796-39-4
Molecular Formula:C7H6BF3O2
Formula Weight:189.93g/mol
Description of 4-(Trifluoromethyl)phenylboronic Acid:
Synonym Name:4-(Trifluoromethyl)benzeneboronic acid; 4-trifluoromethylphenylboronic acid; 4-(trifluoromethyl)phenylboronic acid; boronic acid, [4-(trifluoromethyl)phenyl]-
Assay: ≥95.0%
Melting point:245-250 °C(lit.)
Appearance:white powder.
Application:Direct cross-coupling reaction with allyl alcohol.
Boric acid, N-arylation reaction for the imidazole and amine fluoride calcium phosphate and copper exchange. 1 can also be used to promote cross-coupling reaction of aryl ketone with chloride microwave.
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2012年4月24日星期二

Exporter of 2-Fluoropyridine-3-boronic Acid Pinacol Ester




Product name:2-Fluoropyridine-3-boronic Acid Pinacol Ester
CAS:452972-14-4
Molecular Formula:C11H15BFNO2
Formula Weight:223.05g/mol
Description of 2-Fluoropyridine-3-boronic Acid Pinacol Ester:
Synonyms: 2-Fluoro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine
Melting point: 42-45°C
Boiling Point (°C) :309.9°C at760mmHg
Density :1.09g/cm3
High quality with competitive price
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Sell 2-(2-Isopropylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane




Product name:2-(2-Isopropylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
CAS:N/A
Molecular Formula:C15H23BO2
Formula Weight:246.179
Description of 2-(2-Isopropylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane:
Melting Point:81-85℃
Assay:97%
Type: Pharmaceutical Intermediates
High quality with competitive price
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2-Hydroxy-5-nitrobenzyl Bromide at Cheaper Price




Product name:2-Hydroxy-5-nitrobenzyl Bromide
CAS:772-33-8
Molecular Formula:C7H6BrNO3
Formula Weight:232.03g/mol
Description of 2-Hydroxy-5-nitrobenzyl Bromide:
Physical Appearance:Yellow to tan powder or crystals
Assay:95%
Melting point:144-149 °C(lit.)
Synonyms: 2-(Bromomethyl)-4-nitrophenol
Density: 1.795
EINECS: 212-248-9
Storage temp.: 2-8°C
Definitions:A chemical reagent that reacts with and modifies chemically the tryptophan portion of protein molecules. Used for 'active site' enzyme studies and other protein studies. Sometimes referred to as Koshland's reagent.
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Sell High Quality 4-Chloro-2-nitrotoluene




Product name:4-Chloro-2-nitrotoluene
CAS:89-59-8
Molecular Formula:C7H6ClNO2
Formula Weight:171.58g/mol
Description of 4-Chloro-2-nitrotoluene:
Synonyms: 4-chloro-1-methyl-2-nitro-benzene
Melting point: 35-37 ºC
Boiling point: 239-240 ºC (718 mmHg)
Flash point: 120 ºC
Water solubility:109 mg/L (20 ºC)
EINECS: 201-921-2
Physical Appearance: Yellow solid
Assay: 98%
Use:it can used in making of ice dyeing dye red color base KB,color phenol AS-KB。
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Chemical Properties of 3-Methoxybenzyl Bromide




Product name:3-Methoxybenzyl Bromide
CAS:874-98-6
Molecular Formula:C8H9BrO
Formula Weight:201.06g/mol
Description of 3-Methoxybenzyl Bromide:
Boiling point: 152 °C(lit.)
Density: 1.436 g/mL at 25 °C(lit.)
Flash point:>230 °F
Storage temp. : -20°C 
Purity:98%
Application:For adjacent dianions of chiral succinic acid derivatives of non-enantioselective alkylation.
Physical Appearance: Colorless liquid
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2012年4月19日星期四

Wholesale Price for Bromoacetoaldehyde Dimethyl Acetal




Product name:Bromoacetoaldehyde Dimethyl Acetal
CAS:7252-83-7
Molecular Formula:C4H9BrO2
Formula Weight:169.02g/mol
Description of Bromoacetoaldehyde Dimethyl Acetal:
Appearance:clear colourless to light yellow liquid
Density: 1.43 g/mL at 25 °C(lit.)
Solubility in water: insoluble
Boiling point: 148-150 °C(lit.)
Purity:98%
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Qualified Supplier of Cis-1,4-Dichloro-2-butene




Product name:Cis-1,4-Dichloro-2-butene
CAS:1476-11-5
Molecular Formula:C4H6Cl2
Formula Weight:125g/mol
Description of Cis-1,4-Dichloro-2-butene:
Density:1.188
Melting point: -48 ºC
Boiling point: 152 ºC
Refractive index: 1.4884
Flash point: 56 ºC
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3-Bromopropionic Acid Manuacturer




Product name:3-Bromopropionic Acid
CAS:590-92-1
Molecular Formula:C3H5BrO2
Formula Weight:152.97g/mol
Description of 3-Bromopropionic Acid:
Density: 1.48
Melting point:57-63 ºC
Boiling point: 140-142 ºC (45 mmHg)
Flash point: 65 ºC
Water solubility: 0.1 g/mL
Appearance:White to orange solid
Application:Quaternization agent in amperometric biosensors. Alkylates mercaptans and other sulfur containing compounds.
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2012年4月18日星期三

1,1,1,5,5,5-Hexafluoroacetylacetone on Sale




Product name:1,1,1,5,5,5-Hexafluoroacetylacetone
CAS:1522-22-1
Molecular Formula:C5H2F6O2
Formula Weight:208.06g/mol
Description of 1,1,1,5,5,5-Hexafluoroacetylacetone:
Synonyms: 2,4-Pentanedione, 1,1,1,5,5,5-hexafluoro-;1,1,1,5,5,5-Hexafluoroacetylacetone;Hexafluoroacetylacetone;1,1,1,5,5,5-Hexafluoropentane-2,4-dione;1,1,1,5,5,5-hexafluoro-4-hydroxypent-3-en-2-one;(3E)-1,1,1,5,5,5-hexafluoro-4-hydroxypent-3-en-2-one;1,1,1,3,3,5-hexafluoropentane-2,4-dione
Description:Colorless to pale yellow liquid; Not miscible or difficult to mix in water
Comments:
Corrosive to the skin; Irritating to the respiratory tract; Can cause chemical pneumonitis.
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1,1,1,3,3,3-Hexafluoro-2-propanol Provider




Product name:1,1,1,3,3,3-Hexafluoro-2-propanol
CAS:920-66-1
Molecular Formula:C3H2F6O
Formula Weight:168.04g/mol
Description of 1,1,1,3,3,3-Hexafluoro-2-propanol:
Synonyms: 1,1,1,3,3,3-Hexafluoroisopropanol; HFIP; 1,1,1,3,3,3-Hexafluoro propan-2-ol
EINECS: 213-059-4
Assay: ≥99.0% (GC)
Boiling point: 59 °C(lit.)
Melting point:-4 °C(lit.)
Density: 1.596 g/mL at 25 °C(lit.)
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2012年4月15日星期日

Export Good Quality L-Pyroglutamic Acid




Product name:L-Pyroglutamic Acid
CAS:98-79-3
Molecular Formula:C5H7NO3
Formula Weight:129.11g/mol
Description of L-Pyroglutamic Acid:
Synonyms: 5-Oxoproline; 5-Oxopyrrolidine-2-carboxylic acid; L-5-Pyrrolidone-2-carboxylic acid; (S)-(-)-2-Pyrrolidone-5-carboxylic acid
L-Pyroglutamic Acid meet AJI 92 standard, we are the most strongest manufacturer and exporter of this product in China, we have the most best quality and price. L-Pyroglutamic acid are used in the areas of Pharmaceutical Intermediates, Fitness supplements, and Cosmetics.
L-Pyroglutamic Acid, which is also known as pidolic acid, or pyroglutamate for its basic form. It is an unusual amino acid derivative in which the free amino group of glutamic acid cyclizes to form a lactam. L-Pyroglutamic Acid is found in various proteins including bacteriorhodopsin.
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6-Aminohexanoic Acid Provider




Product name:6-Aminohexanoic Acid
CAS:60-32-2
Molecular Formula:C6H13NO2
Formula Weight:131.17g/mol
Description of 6-Aminohexanoic Acid:
Synonyms: 6-Amino-n-caproic Acid; Amicar; Aminocaproic acid; amiocaproic acid; E-Aminocaproic Acid; Epsilcapramine; xi-Aminocaproic acid
Characteric:White or light yellow crystalline powder. Soluble in water, the 3.52% solution as the isotonic solution. Melting point: 204-207 °C, can impede the formation of fibrinolytic enzymes, thus inhibiting fibrinolysis aim to achieve hemostasis.
Usage: Used to treat excessive postoperative bleeding, especially after procedures in which a great amount of bleeding is indicated, such as cardiac surgery
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Usage and Side Effects of L-Tyrosine




Product name:L-Tyrosine
CAS:60-18-4
Molecular Formula:C9H11NO3
Formula Weight:181.19g/mol
Description of L-Tyrosine:
L-Tyrosine is used to treat conditions including depression or mood disorder, poor coping ability, fatigue, low sex drive, low metabolism, and drug abuse (when combined with Tryptophan). It can also improve endurance under stress and is effective as an appetite suppressant. When taken properly, L-Tyrosine can assist a sluggish thyroid and aid the dieter in losing excess, unwanted pounds.
L-Tyrosine supplements are not necessary for most people, but those with specific conditions that may be related to deficiencies of l-tyrosine may benefit from taking 100 mg per 2.2 pounds of body weight.
L-Tyrosine side effects are uncommon when supplements are used for limited amounts of time. It is unclear how long term use, particularly in large amounts, will affect health. For this reason, anyone experiencing l-tyrosine side effects would be well advised to stop using it.
It is also important to note that l-tyrosine may interact with certain medications. Anyone taking prescription drugs should consult a physician about possible l-tyrosine side effects and interactions.
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Best Seller or D-Proline




Product name:D-Proline
CAS:344-25-2
Molecular Formula:C5H9NO2
Formula Weight:115.13g/mol
Description of D-Proline:
Other name: D-Pyrrolidine-2-carboxylic acid
Proline and its derivatives are often used as asymmetric catalysts in organic reactions. The CBS reduction and proline catalysed aldol condensation are prominent examples. L-Proline is an osmoprotectant and therefore is used in many pharmaceutical, biotechnological applications.
D-Proline is an isomer of the naturally occurring amino acid,L-Proline.D-amino acids have been found in relatively high abundance in human plasma and saliva.
Assay: 98.0% to 101.0%
Storage:Store at 12-18 °C and store dry.
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D-Phenylalanine for Sale




Product name:D-Phenylalanine
CAS:673-06-3
Molecular Formula:C9H11NO2
Formula Weight:165.19g/mol
Description of D-Phenylalanine:
D-Phenylalanine, USP, is a safe alternative to opiates for chronic pain management, and will not upset the stomach as many long-term, Non Steroidal Anti-Inflammatory Drugs (NSAIDs), such as aspirin and ibuprofen do. It may also be used to increase the effects of drugs, such as opiates or aspirin, so that a lower dosage of a drug would be necessary to achieve relief. No adverse side effects have been noted with D-Phenylalanine.
D-phenylalanine (DPA) is not normally found in the body and cannot be converted to L-tyrosine, L-dopa, or norepinephrine. As a result, DPA is converted primarily to phenylethylamine (the potential mood elevator). DPA also appears to influence certain chemicals in the brain that relate to pain sensation.
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2012年4月8日星期日

Usage of Betaine


Product name:Betaine
CAS
:107-43-7
Molecular Formula:C5H11NO2
Formula Weight:117.15g/mol
Description of Betaine:
Betaine is used to treat homocystinuria (an inherited condition in which the body cannot break down a certain protein, causing build-up of homocysteine in the blood). Increased amounts of homocysteine in the body can cause symptoms such as extreme tiredness, seizures, dislocation of the lens of the eye, abnormal bone structure, osteoporosis (weak bones), blood clots, or decreased weight or rate of weight gain and slowed development in children. Betaine is in a class of medications called nutrients. It works by decreasing the amount of homocysteine in the blood.
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Professional Supplier of 2-Furoic Acid



Product name:2-Furoic Acid
CAS:88-14-2
Molecular Formula:C5H4O3
Formula Weight:112.08g/mol
Description of 2-Furoic Acid:
Synonyms:Furan-2-carboxylic acid; 2-Furoic acid; Pyromucic acid; 
2-Furancarboxylic Acid; Furan-2-carbonsäure; ácido 2-furoico; Acide 2-furoïque; alpha-Furancarboxylic acid; alpha-Furoic acid; 2-Carboxyfuran; Kyselina 2-furoova; Kyselina pyroslizova; Furoic acid; Furoica; 
Appearance:white to off-white crystalline powder
Melting point:128-130°C
Boiling Point:230-232°C
Solubility in water:Soluble
Stability:Stable under ordinary conditions
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Pyrogallol for Promotion


Product name:Pyrogallol
CAS:87-66-1
Molecular Formula:C6H6O3
Formula Weight:126.11g/mol
Description of Pyrogallol:
Pyrogallol or benzene-1,2,3-triol is a benzenetriol. It is a white crystalline powder and a powerful reducing agent. It was first prepared by Scheele 1786 by heating gallic acid. An alternate preparation is heating para-chlorophenoldisulphonic acid with potassium hydroxide.
When in alkaline solution, it absorbs oxygen from the air, turning purple from a colourless solution. It can be used in this way to calculate the amount of oxygen in air, notably via the use of the Orsat apparatus.
Density:1.45 g/cm3
Melting point:131–134 °C
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Qualified Sophoricoside Seller


Product name:Sophoricoside
CAS:
152-95-4
Molecular Formula:C21H20O10
Formula Weight:432.38g/mol
Description of Sophoricoside:
Herb Source: From the green pods of Sophora japonica L.,
Synonyms:Genistein β-glucoside
Pharmacology: Function as Estrogen can be efficient in preventing ovariectomy-induced bone loss, and therapy osteoporosis. Has protective effect on chronic liver lesion. Antifertility,  Anti-inflammatory action.
Sophoricoside with estrogen-like effect, can effectively shape the restoration of bone tissue, improve bone mass, for the prevention and treatment of senile osteoporosis in women.
Appearance:White powder
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Chemical Properties of 7-Hydroxycoumarin




Product name:7-Hydroxycoumarin
CAS:93-35-6
Molecular Formula:C9H6O3
Formula Weight:162.14g/mol
Description of 7-Hydroxycoumarin:
Synonyms: Umbelliferone; 7-hydroxy coumarin; 7-hydroxy-2H-chromen-2-one; 7-HYDROXY-2H-1-BENZOPYRAN-2-ONE
Density: 1.403g/cm3
Melting Point(℃): 228-234℃
Boiling Point(℃): 382.1°C at 760 mmHg
Flash Point(℃): 181.2°C
Water Solubility: 1 g/100 mL (100℃)
Appearance:yellowish-white crystalline solid
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Introduction of Nicotinamide



Product name:Nicotinamide
CAS:98-92-0
Molecular Formula:C6H6N2O
Formula Weight:122.12g/mol
Description of Nicotinamide:
Nicotinamide, also known as niacinamide and nicotinic acid amide, is the amide of nicotinic acid (vitamin B3 / niacin). Nicotinamide is a water-soluble vitamin and is part of the vitamin B group. Nicotinic acid, also known as niacin, is converted to nicotinamide in vivo, and, though the two are identical in their vitamin functions, nicotinamide does not have the same pharmacologic and toxic effects of niacin, which occur incidental to niacin's conversion. Thus nicotinamide does not reduce cholesterol or cause flushing,although nicotinamide may be toxic to the liver at doses exceeding 3 g/day for adults. In cells, niacin is incorporated into nicotinamide adenine dinucleotide (NAD) and nicotinamide adenine dinucleotide phosphate (NADP), although the pathways for nicotinamide and nicotinic acid are very similar. NAD+ and NADP+ are coenzymes in a wide variety of enzymatic oxidation-reduction reactions.
Melting point :128-131 °C
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