一二三四区视频,亚洲少妇熟女色,日本久热无码视频网,欧美国产日韩大尺度,亚洲a视频,久久少妇一区二区,日韩999无码视频,刺激久久久久久久,啊啊啊啊不要啊在线

Welcome to chemicalbook!
WhatsApp
RFQ
Try our best to find the right business for you.
Do not miss inquiry messages Please log in to view all inquiry messages.

Welcome back!

RFQ
skype
MY Account
Top
Postion:Product Catalog >Biochemical Engineering>Plant extracts>Sennoside B
Sennoside B
  • Sennoside B

Sennoside B

Price $1
Package 1KG
Min. Order: 1g
Supply Ability: 100KG
Update Time: 2019-07-06

Product Details

Product Name: Sennoside B CAS No.: 128-57-4
Min. Order: 1g Purity: 99%
Supply Ability: 100KG Release date: 2019/07/06
Sennoside B Basic information
Product Name: Sennoside B
Synonyms: (9R,9'S)-5,5'-Bis(β-D-glucopyranosyloxy)-9,9',10,10'-tetrahydro-4,4'-dihydroxy-10,10'-dioxo-9,9'-bianthracene-2,2'-dicarboxylic acid;(9S,9'R)-5,5'-Bis(β-D-glucopyranosyloxy)-9,9',10,10'-tetrahydro-4,4'-dihydroxy-10,10'-dioxo-9,9'-bianthracene-2,2'-dicarboxylic acid;(9S)-9-[(9R)-2-carboxy-4-hydroxy-10-keto-5-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-methylol-tetrahydropyran-2-yl]oxy-9H-anthracen-9-yl]-4-hydroxy-10-keto-5-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-methylol-tetrahydropyran-2-yl]oxy-9H-anthracene-2-carboxylic acid;Sennoside B ,98%;Sennoside B (20 mg);Tisasen B;(9R,9'S)-4,4'-dihydroxy-10,10'-dioxo-5,5'-bis(((2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxyMethyl)tetrahydro-2H-pyran-2-yl)oxy)-9,9',10,10'-tetrahydro-[9,9'-bianthracene]-2,2'-dicarboxylic acid;Sennoside B, froM FoliuM sennae
CAS: 128-57-4
MF: C42H38O20
MW: 862.74
EINECS: 204-895-0
Product Categories: chemical reagent;pharmaceutical intermediate;phytochemical;reference standards from Chinese medicinal herbs (TCM).;standardized herbal extract;Inhibitors;Anthraquinones, Hydroquinones and Quinones;The group of Sennosides
Mol File: 128-57-4.mol
Article illustration
 
Sennoside B Chemical Properties
alpha  D20 -100° (c = 0.2 in 70% acetone); D20 -67° (c = 0.4 in 70% dioxane)
Boiling point  698.48°C (rough estimate)
density  1.3066 (rough estimate)
refractive index  1.7630 (estimate)
CAS DataBase Reference 128-57-4(CAS DataBase Reference)
 
Safety Information
Risk Statements  22
Safety Statements  22-45-24/25
HS Code  29329990
MSDS Information
 
 
Sennoside B Usage And Synthesis
Chemical Properties White to brown powder
Definition ChEBI: A member of the class of sennosides that is (9R,9'S)-9,9',10,10'-tetrahydro-9,9'-bianthracene-2,2'-dicarboxylic acid which is substituted by hydroxy groups at positions 4 and 4', by beta-D glucopyranosyloxy groups at positions 5 and 5', and by oxo groups at positions 10 and 10'.
Purification Methods Sennoside B forms yellow crystals from aqueous acetone or large volumes of H2O. [Stoll et al. Helv Chim Acta 32 1896 1900, Beilstein 17 III/IV 3402.]

Company Profile Introduction

Established in 2014,Career Henan Chemical Co. is a manufacturerspecializing in the sale of fine chemicals. Mainly deals in the sales of: Pharmaceutical intermediates OLED intermediates: Pharmaceutical intermediates; OLED intermediates;

You may like

Recommended supplier

Product name Price   Suppliers Update time
VIP5Y
Changsha Staherb Natural Ingredients Co., Ltd.
2026-07-24
VIP6Y
TargetMol Chemicals Inc.
2026-07-15
VIP2Y
Shaanxi Dideu New Materials Co. Ltd
2026-06-30
VIP3Y
BINBO BIOLOGICAL CO.,LTD
2026-05-22
$1200.00
Lianyungang Kaiyu Environmental Tech Co., Ltd.
2025-11-06
Shanghai Standard Technology Co., Ltd.
2023-02-24
Shanghai Standard Technology Co., Ltd.
2023-02-24
  • Since: 2014-12-17
  • Address: Zhengzhou High tech Zone, Henan Province, China
INQUIRY
楊俊青

sales@coreychem.com
松原市| 清远市| 鹤岗市| 湘潭县| 郓城县| 江永县| 崇左市| 临潭县| 留坝县| 文安县| 石林| 综艺| 昌宁县| 西充县| 新津县| 开平市| 潍坊市| 赣州市| 乐清市| 安国市| 宾阳县| 宜城市| 威海市| 吉林省| 青田县| 读书| 城市| 金溪县| 玉屏| 郴州市| 同江市| 油尖旺区| 墨竹工卡县| 皋兰县| 恩施市| 甘谷县| 阳高县| 江口县| 石家庄市| 三门峡市| 元江|