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TEL: +86-571-83715115
E-mail: sales@yunuochem.com
Address: Zhi Di Tower, Bei Gan Street, Xiao Shan District, Hangzhou
http://www.yunuochem.com
E-mail: sales@yunuochem.com
Address: Zhi Di Tower, Bei Gan Street, Xiao Shan District, Hangzhou
http://www.yunuochem.com
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Levodopa CAS NO. 59-92-7
Dopa, which is found in some legumes, can be oxidized and polymerized under the action of oxidase to form melanin. The pods of some legumes turn black at maturity. Melanin, such as hair of human and a
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Vitamin B12 CAS NO. 68-19-9
Vitamin B12 is the only kind of vitamin containing metal elements, which is widely used in medicine, food, health products, feed additives and other fields. Its family members mainly include Cyanocoba
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Tetraethylammonium bromide CAS NO. 71-91-0
Quaternary ammonium salt is similar to inorganic salt in properties and soluble in water. It is mainly used as phase transfer catalyst for organic synthesis, curing accelerator for polymer polymerizat
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Pyrogallic Acid CAS NO. 87-66-1
As one of the aromatic compounds, It is a very strong reducing agent. The first person to make it was Karl William Scheele, who was heated by gallic acid in 1786. Even benzene three phenol in the alka...
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L(+)-Tartaric acid CAS NO. 87-69-4
L(+)-tartaric acid can be mainly used as an acidity regulator in food; it can also be used as a resolving agent of anti-tuberculosis drug intermediate DL-aminobutanol; as a raw material for the synthe...
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4-Phenylphenol CAS NO. 92-69-3
P-hydroxy biphenyls are used as dyes; An intermediate of resin and rubber. Red sensitization synthesized by p-hydroxybiphenyl; Green light additive is one of the main raw materials for color films and...
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4-Acetylbiphenyl CAS NO. 92-91-1
4-Acetophenone is an important fine chemical intermediate, which is widely used in the chemical synthesis of pesticides, medicine and so on. It is an intermediate of biphenylacetic acid, a nonsteroida
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2,4-Dichlorobenzyl chloride CAS NO. 94-99-5
2,4-Dichlorobenzyl chloride is an important Pesticide and pharm intermediate. It can be used for making 2,4-dichlorophemethylol, 2,4-dichlorobenzaldehyde, 2,4-dichlorobenzyl cyanogens, 2,4-d
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2-Aminothiazole CAS NO. 96-50-4
2-Aminothiazole is a heterocyclic amine and is the beginning reagent for the synthesis of many pharmaceutical and agricultural related compounds. It is sually used in the synthesis of 2-aminothia
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Benzoyl chloride CAS NO. 98-88-4
Benzoyl chloride is a colourless, fuming liquid with an irritating odour. It is mainly useful for the production of peroxides but is generally useful in other areas such as in the preparation of dyes,
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