国产在线无码视频一区_免费看片A级毛片免费看_国产午夜福利精品一区二区三区_99久久人妻精品免费一区

上海普譽科貿有限公司

纖維糖標準品,轉基因作物標準品,異麥芽糖,色譜消耗品,恒溫培養箱,進樣瓶

化工儀器網收藏該商鋪

聯系電話

13918083187

15
您所在位置:首頁>上海普譽科貿有限公司>>標準品>> Quercetin 4'-O-β-glucopyranoside
QQ交談     
產品展示

Quercetin 4'-O-β-glucopyranoside

  • 公司名稱:
  • 更新時間:
  • 所 在 地:
  • 生產地址:
  • 瀏覽次數:
  • 上海普譽科貿有限公司
  • 2017-03-19 23:58:46
  • 上海市
  • 730

我要詢價

【簡單介紹】

Cat. Number
H1161
Chemical Name
Quercetin 4'-O-β-glucopyranoside
CAS Number
20229-56-5
Mol. Formula
C21H20ClO12
Mol. Weight
464,4 g/mol
Qty 1
10mg
Qty 2
50mg
Appearance
The product shall be y

【詳細說明】

Cat. Number

H1161

Chemical Name

Quercetin 4'-O-β-glucopyranoside

CAS Number

20229-56-5

Mol. Formula

C21H20ClO12

Mol. Weight

464,4 g/mol

Qty 1

10mg

Qty 2

50mg

Appearance

The product shall be yellow in colour, and shall normally be powdered.

Application Notes

Above 97% HPLC

Synonym

3,5,7-trihydroxy-2-[3-hydroxy-4-[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-phenyl]chromen-4-one,Spiraeoside,

Storage condition

< -5°C

References

Quercetin 4'-glucoside

PRODUCT DESCRIPTION
Quercetin 4’-O-β-glucopyranoside is a natural compound found in onions, fruits and flowers. It is produced from onions by extraction processes.


CHEMICAL DESCRIPTION
The chemical formula is C21H20O12. The molecular weight is 464.4 g/mol. The product belongs to the flavonols that is a class of natural chemicals belonging to the flavonoids.  It is highly water-soluble and is easily degraded by hydrolysis and /or hydrogenation at temperatures >40°C.


PHYSICAL CHARACTERISTICS
The product shall be yellow in colour, and shall normally be powdered.


COMPOSITION STATEMENT
The product has a purity >97% as detected by high- performance liquid chromatography (HPLC) connected to UV /Vis detector at 280nm and 350nm. The rest is impurities of other flavonoids or polyphenols.


STORAGE REQUIREMENTS
The product should be kept in darkness and at low temperatures for storage more than a few days (< -5°C).


RESPONSIBILITY
This product is intended for research in chemical laboratories. Only qualified individuals shall be considered treating this product. The purchaser should recognize that the supplier of this product under no circumstances is responsible for the applications of the product in the field of human or animal consumption or tests related to human or animal health. The supplier is not responsible for this product as part of drugs, cosmetics, food additives, products for domestic use or veterinary products. The purchaser is responsible for the use and storage of this product as soon as he receives the product.

    
留言框
感興趣的產品: *
留言內容:
您的姓名: *
您的單位:
聯系電話: *
微信:
常用郵箱:
詳細地址:
省份: *
驗證碼: * =   請輸入計算結果(填寫阿拉伯數字),如:三加四=7
      

相關產品

產品搜索:

聯系方式
地址:上海市閔行區都莊路4226號福克斯連鎖商務大廈A幢318
郵編:201108
聯系人:李 先生
電話:86-021-61842042
傳真:021-64300192
手機:13918083187
留言:發送留言
網址:www.sh-puy.com/
商鋪:http://www.fzbnjj.com/st176962/
| 商鋪首頁 | 公司檔案 | 產品展示 | 供應信息 | 公司動態 | 詢價留言 | 聯系我們 | 會員管理 |
化工儀器網 設計制作,未經允許翻錄必究.Copyright(C) http://www.fzbnjj.com, All rights reserved.
以上信息由企業自行提供,信息內容的真實性、準確性和合法性由相關企業負責,化工儀器網對此不承擔任何保證責任。
溫馨提示:為規避購買風險,建議您在購買產品前務必確認供應商資質及產品質量。
二維碼 在線交流

掃一掃訪問手機站
主站蜘蛛池模板: 潮安县| 宁蒗| 玛沁县| 赤壁市| 扶绥县| 葵青区| 梨树县| 临颍县| 呈贡县| 兴文县| 文安县| 合江县| 昌邑市| 女性| 保亭| 巩留县| 瑞安市| 会同县| 光泽县| 华亭县| 唐山市| 武夷山市| 伊金霍洛旗| 嘉鱼县| 池州市| 巢湖市| 柳江县| 日照市| 湛江市| 忻城县| 麟游县| 宾川县| 开阳县| 高安市| 石棉县| 灵石县| 阆中市| 思南县| 苗栗市| 韶山市| 墨玉县|