亚洲福利视频一区二区三区 , 国产成人在线精品 , 国产一区二区三区在线免费观看 , 天天狠狠色综合图片区,啪啪国产视频,成人au免费视频影院,国产成人亚洲综合91精品555

Professional development and production of pharmaceutical intermediate products

The main products are: rebamipide, 2,3-dibromo-2-butene-1,4-diol, 2-acetoxyisobutyryl chloride, ethyl silicate (condensation), anhydrous lithium bromide, a Methylamine methanol solution, tetradecyl trimethyl ammonium bromide.

PRODUCTS

changteng new pharmaceutical

2-Chloro-3-pyridinol
Molecular Formula C5H4ClNO
Molecular Weight 129.55
Structural Formula
CAS NO. 6636-78-8
Performance White-like crystal powder; light soluble in water; soluble in hot water; melting point: 169℃; eay sublimation. 
Main Use Being used in organic sythesisi, pesticide and pharmaceutical industry.

Quality Standard

(Enterprise Standard)

Index Name

Index

Content (HPLC)

≥99.5

Melting Point (melting range2℃)

168.0～172.0

Moisture (K.F)

≤0.5%

Performance

White cystal or powder
Packing

Inner double film plastic bag coated fiber can; net weight: 25kg.

[ BACK ]

HOME  |   ABOUT US  |   PRODUCTS  |   NEWS  |   FACTORY  |   ORDER  |   CONTACT  |   中文版

Copyright(C)2021, Sanmenxia Changteng New Pharmaceutical Co., Ltd. All Rights Reserved. Supported by ChinaChemNet ChemNet Toocle Copyright Notice 備案序號(hào)：豫ICP備2021004613號(hào)