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koumine

Product Name
koumine
CAS No.
1358-76-5
Chemical Name
koumine
Synonyms
koumine;(3R,7alpha,20alpha)-1,2,18,19-Tetradehydro-3,17-epoxy-7,20(2H,19H)cyclovobasan;7,20(2H,19H)-Cyclovobasan, 1,2,18,19-tetradehydro-3,17-epoxy-, (3R,7alpha,20alpha)-;(3S,4S,4aR,6R,11bS,11cS)-2-Methyl-11c-vinyl-1,2,3,4,4a,5,6,11c-octahydro-6,4-(epoxymethano)-3,11b-methanopyrido[4,3-c]carbazole;6,4-(Epoxymethano)-3,11b-methano-11bH-pyrido[4,3-c]carbazole, 11c-ethenyl-1,2,3,4,4a,5,6,11c-octahydro-2-methyl-, (3S,4S,4aR,6R,11bS,11cS)-
CBNumber
CB31480541
Molecular Formula
C20H22N2O
Formula Weight
306.4
MOL File
1358-76-5.mol
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koumine Property

Melting point:
168℃
Boiling point:
436.5±45.0 °C(Predicted)
Density 
1.42
storage temp. 
2-8°C
solubility 
DMSO : 31.25 mg/mL (101.99 mM; Need ultrasonic)
form 
powder
pka
8.67±0.40(Predicted)
color 
Yellow-brown
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Hazard and Precautionary Statements (GHS)

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N-Bromosuccinimide Price

Usbiological
Product number
300533
Product name
Koumine
Packaging
10mg
Price
$439
Updated
2021/12/16
TRC
Product number
K655750
Product name
Koumine
Packaging
100mg
Price
$2310
Updated
2021/12/16
ApexBio Technology
Product number
N2312
Product name
Koumine
Packaging
20mg
Price
$450
Updated
2021/12/16
Biosynth Carbosynth
Product number
FK73903
Product name
Koumine
Packaging
100mg
Price
$867
Updated
2021/12/16
Biorbyt Ltd
Product number
orb594062
Product name
Koumine
Packaging
20mg
Price
$550.8
Updated
2021/12/16
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koumine Chemical Properties,Usage,Production

Description

The Chinese drug 'Kou-wen', said to be derived from Gelsemium elegans Benth., is stated to contain this alkaloid which forms rhombic prisms from Me2 CO. It has [α]23D - 265° (EtOH) and forms a crystalline hydrochloride, m.p. 255°C (dec.) and a hydrobromide, m.p. 269°C (dec.).

Occurrence

Koumine is an alkaloid isolated from Gelsemium elegans Benth.

Uses

Koumine is known to attenuate the lipopolysaccharide-stimulated inflammation in RAW264.7 macrophages.

References

Chou, Pak, Hou., Chin. 1. Physiol., 5, 345 (1931)
Chou, Wang, Chen., ibid, 8,40 (1934)
Chi, Kao, Huang., 1. Amer. Chem. Soc., 60, 1723 (1938)

koumine Preparation Products And Raw materials

Raw materials

Preparation Products

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koumine Suppliers

China 141 India 1 United Kingdom 1 United States 12 Global 155
Chembest Research Laboratories Limited
Tel
021-20908456
Fax
021-58180499
Email
sales@BioChemBest.com
Country
China
ProdList
6011
Advantage
61
Shanghai Hanhong Scientific Co.,Ltd.
Tel
Country
China
ProdList
42982
Advantage
64
Dalian Meilun Biotech Co., Ltd.
Tel
0411-62910999 13889544652
Email
sales@meilune.com
Country
China
ProdList
4654
Advantage
58
BioBioPha Co., Ltd.
Tel
0871-65217109 13211707573;
Fax
0871-65215563
Email
y.liu@mail.biobiopha.com
Country
China
ProdList
5654
Advantage
65
Chengdu Ai Keda Chemical Technology Co., Ltd.
Tel
4008-755-333 18080918076
Fax
028-86757656
Email
800078821@qq.com
Country
China
ProdList
9725
Advantage
55
Chengdu Biopurify Phytochemicals Ltd.
Tel
+86-028-82633397 18982077548
Fax
+86-28-82633165
Email
cwb1@biopurify.cn
Country
China
ProdList
2376
Advantage
60
Chengdu Climax Biotech Co., Ltd.
Tel
028-83311324 1278112614
Fax
028-83311324
Email
climaxbiotech@gmail.com
Country
China
ProdList
925
Advantage
58
Shanghai Ruji Biology Technology Co., Ltd.
Tel
+86-21-65211385-8001 36031160
Fax
+86-21-65211385-8004
Email
sales@shruji.com
Country
China
ProdList
3224
Advantage
55
Shanghai Tauto Biotech Co., Ltd.
Tel
021-51320588
Fax
0086-21-51320502
Email
tauto@tautobiotech.com
Country
China
ProdList
3989
Advantage
66
TargetMol Chemicals Inc.
Tel
021-33632979 15002134094
Fax
021-33632979
Email
marketing@targetmol.com
Country
China
ProdList
7934
Advantage
58
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View Lastest Price from koumine manufacturers

Shanghai Standard Technology Co., Ltd.
Product
Koumine 1358-76-5
Price
US $0.00/mg
Min. Order
5mg
Purity
≥98%(HPLC)
Supply Ability
10 g
Release date
2020-01-02
Zhuozhou Wenxi import and Export Co., Ltd
Product
koumine 1358-76-5
Price
US $15.00-10.00/KG
Min. Order
1KG
Purity
99%+ HPLC
Supply Ability
Monthly supply of 1 ton
Release date
2021-06-27
Career Henan Chemical Co
Product
koumine 1358-76-5
Price
US $1.00/KG
Min. Order
1g
Purity
99%
Supply Ability
100KG
Release date
2018-12-24

1358-76-5, koumineRelated Search:

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  • koumine
  • (3R,7alpha,20alpha)-1,2,18,19-Tetradehydro-3,17-epoxy-7,20(2H,19H)cyclovobasan
  • 7,20(2H,19H)-Cyclovobasan, 1,2,18,19-tetradehydro-3,17-epoxy-, (3R,7alpha,20alpha)-
  • 6,4-(Epoxymethano)-3,11b-methano-11bH-pyrido[4,3-c]carbazole, 11c-ethenyl-1,2,3,4,4a,5,6,11c-octahydro-2-methyl-, (3S,4S,4aR,6R,11bS,11cS)-
  • (3S,4S,4aR,6R,11bS,11cS)-2-Methyl-11c-vinyl-1,2,3,4,4a,5,6,11c-octahydro-6,4-(epoxymethano)-3,11b-methanopyrido[4,3-c]carbazole
  • 1358-76-5
  • 58-76-5
  • Alkaloids
  • chemical reagent
  • pharmaceutical intermediate
  • phytochemical
  • reference standards from Chinese medicinal herbs (TCM).
  • standardized herbal extract