High quality Indirubin with best price



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High quality Indirubin  with best price
High quality Indirubin  with best price
High quality Indirubin  with best price
High quality Indirubin  with best price
High quality Indirubin  with best price
High quality Indirubin  with best price
High quality Indirubin  with best price

High quality Indirubin with best price

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From $60.0030.00 / Kilogram
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If over 500pcs, mass production will start until pre-production sample has been approved.

Est. 7 days production



Product name: Indigowoad Leaf Extract Indirubin 1%

-Latin name: Isatis indigotica fortune

-Active ingredient: Indirubin

-CAS No: 479-41-4

-Molecular formula: C16H10N2O2

-Molecular weight: 262.26                               

-Appearance: Brown powder

Isatis tinctoria, with woad or glastum as the common name, is a flowering plant in the family Brassicaceae. It is commonly called dyer's woad. It is occasionally known as Asp of Jerusalem. Woad is also the name of a blue dye produced from the leaves of the plant.

Woad is native to the steppe and desert zones of the Caucasus, Central Asia to eastern Siberia and Western Asia (Hegi) , but is now found in southeastern and some parts of Central Europe as well. Long important as a source of blue dye, it has been cultivated throughout Europe, especially in Western and southern Europe, since ancient times. In medieval times there were important woad growing regions in England, Germany and France, and towns such as Toulouse became prosperous on the woad trade. Woad was eventually replaced by the stronger indigo and then by synthetic indigoes.


Basic Information

Basic Information.png 

Analysis Items


Physical Control



Appearance & Color

Fine powder

Odor & Taste


Sieve Analysis

NLT 95% Pass 80 mesh

Chemical Control


Arsenic (As)

NMT 1ppm

Cadmium (Cd)

NMT 1ppm

Lead (Pb)

NMT 3dppm


NMT 0.1ppm

Heavy Metal

NMT 10ppm

Phosphate Organics

NMT 1ppm

Pesticides Residues

NMT 1ppm

Microorganism Control

Total Plate Count

1000cfu/g Max

Total Yeast & Mold

100cfu/g Max












NMT 0.2ppb

Packing and Storage

Pack in paper-drums and two plastic-bags inside. Net Weight: 25kgs/drum.

Store in a well-closed place with constant low temperature and no direct sun-light.


2 years 






-Indigowoad leaf extract indirubin can enhance the function of body defense;

-Indigowoad leaf extract with the function of protecting cardiovascular system;

-Indigowoad leaf extract indirubin with the function of dispelling heat, benefiting gallbladder;

-Indigowoad leaf extract indirubin has the function of antibacterial, anti-inflammatory and anti-viral.



Packaging & Shipping




Our Services


Company Information

Qingdao Sigma chemical Co., Ltd is is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc.
The aim of Qingdao Sigma chemical Co., Ltd is a quality policy that "Elements in the system all have been satisfied, Personnel has been trained; Every batch of material is checked, Each procedure guarantees the quality; Every bag of our products is top grade, Service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.


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