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Dayang Chem (Hangzhou) Co.,Ltd.

As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch

Benz[b]indeno[1,2-d]pyran-9(6H)-one,6a,7-dihydro-3,4,6a,10-tetrahydroxy-

Cas:475-25-2

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O

TIANFU-CHEM_HEMATEIN 475-25-2

Cas:475-25-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Sankai Chemical Technology Co., Ltd

1. Product advantages ♦ High purity, all above 98.5%, no impurities after the dissolution ♦ We will test each batch to ensure quality ♦ OEM and private brand services designed for free ♦ Various cap colors available &diam

HEMATEIN CAS475-25-2

Cas:475-25-2

Min.Order:1 Kilogram

FOB Price: $7.0 / 10.0

Type:Trading Company

inquiry

Shanghai Upbio Tech Co.,Ltd

1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized

Benz[b]indeno[1,2-d]pyran-9(6H)-one,6a,7-dihydro-3,4,6a,10-tetrahydroxy- 475-25-2

Cas:475-25-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Wentao Chemical Product Co., Ltd.

Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod

Benz[b]indeno[1,2-d]pyran-9(6H)-one,6a,7-dihydro-3,4,6a,10-tetrahydroxy-

Cas:475-25-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou J&H Chemical Co., Ltd.

J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia

Benz[b]indeno[1,2-d]pyran-9(6H)-one,6a,7-dihydro-3,4,6a,10-tetrahydroxy-

Cas:475-25-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD

Zhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed

HEMATEIN

Cas:475-25-2

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

inquiry

Antimex Chemical Limied

Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali

Hematein

Cas:475-25-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Fandachem Co.,Ltd

Benz[b]indeno[1,2-d]pyran-9(6H)-one,6a,7-dihydro-3,4,6a,10-tetrahydroxy- cas 475-25-2Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by exp

ZHEJIANG JIUZHOU CHEM CO.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

HEMATEIN

Cas:475-25-2

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Amadis Chemical Co., Ltd.

1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G

3,4,6a,10-tetrahydroxy-6,7-dihydroindeno[2,1-c][1]benzopyran-9-one

Cas:475-25-2

Min.Order:10 Milligram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Fine Chemicals Co., Ltd

Best quality & Attractive price & Professional service; Trial & Pilot & CommercialHenan Fine Chemicals Co., LTD. is a diversified technology - oriented integrated company, which mainly concentrates on fine chemicals. Our company is committed to becom

Benz[b]indeno[1,2-d]pyran-9(6H)-one,6a,7-dihydro-3,4,6a,10-tetrahydroxy-

Cas:475-25-2

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shanghai united Scientific Co.,Ltd.

United Scientific Company Located in Shanghai of China , is a competitive player in the global specialty and fine chemical market. Fenghua has both the expertise and flexibility to produce a wide range of chemicals. Focusing on developing the innovat

Benz[b]indeno[1,2-d]pyran-9(6H)-one,6a,7-dihydro-3,4,6a,10-tetrahydroxy-

Cas:475-25-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Finetech Industry Limited

FINETECH INDUSTRY LIMITED is a LONDON based CRO company providing drug discovery & development services to worldwide clients. FINETECH INDUSTRY LIMITED supplies the HEMATEIN, CAS:475-25-2 with the most competitive price and the best quality. We can o

HEMATEIN

Cas:475-25-2

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Chemical Co.Ltd

Manufacturer,strong R&D,professional team Storage:Store in a cool, dry place. Store in a tightly closed container. Package:according to your requirement Application:ZhiShang Chemical is owned by ZhiShang Group, is a professional new-type chemicals en

Benz[b]indeno[1,2-d]pyran-9(6H)-one,6a,7-dihydro-3,4,6a,10-tetrahydroxy-

Cas:475-25-2

Min.Order:0

Negotiable

Type:Trading Company

inquiry

NovaChemistry

high purity Application:Drug intermediates Materials intermediates and active molecules

3,4,6a,10-tetrahydroxy-6,7-dihydroindeno[2,1-c]chromen-9-one

Cas:475-25-2

Min.Order:0

Negotiable

Type:Trading Company

inquiry

RAL Diagnostic Stains and Reagents Corporation

Molecular Formula: C16H12O6 Formula Weight: 300.26

Benz[b]indeno[1,2-d]pyran-9(6H)-one,6a,7-dihydro-3,4,6a,10-tetrahydroxy-

Cas:475-25-2

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

haematoxylin

haematoxylin

haematein
475-25-2

haematein

Conditions
ConditionsYield
With ammonia Behandeln mit Essigsaeure;
With ammonia at 130℃;
With iodine; mercury(II) oxide
hematoxylin
17647-60-8

hematoxylin

A

hydroxyhematoxylin

hydroxyhematoxylin

B

haematein
475-25-2

haematein

Conditions
ConditionsYield
With water Mechanism; Electrolysis;
haematein
475-25-2

haematein

hydroxyhematoxylin

hydroxyhematoxylin

Conditions
ConditionsYield
With water Electrolysis;7%
dimethyl sulfate
77-78-1

dimethyl sulfate

haematein
475-25-2

haematein

KOH-solution

KOH-solution

A

haematein-tetramethyl ether

haematein-tetramethyl ether

B

pentamethyl-dihydrohaemateinol

pentamethyl-dihydrohaemateinol

Conditions
ConditionsYield
yttrium(III) chloride
10361-92-9

yttrium(III) chloride

haematein
475-25-2

haematein

Y(C16H8O6)2(5-)*4H(1+)

Y(C16H8O6)2(5-)*4H(1+)

Conditions
ConditionsYield
In water
lead(II) nitrate

lead(II) nitrate

haematein
475-25-2

haematein

2Pb(2+)*C16H8O6(4-)*4H2O={Pb2(C16H8O6)}*4H2O

2Pb(2+)*C16H8O6(4-)*4H2O={Pb2(C16H8O6)}*4H2O

Conditions
ConditionsYield
In ammonia addn. of aq. Pb(NO3)2-soln. to aq. ammoniacal soln. of C16H12O6;; pptn.;
silver nitrate

silver nitrate

haematein
475-25-2

haematein

silver(I) hematein complex

silver(I) hematein complex

Conditions
ConditionsYield
In ethanol
lead acetate
301-04-2

lead acetate

haematein
475-25-2

haematein

hematein lead(II) complex

hematein lead(II) complex

Conditions
ConditionsYield
In ethanol
gadolinium(III) chloride

gadolinium(III) chloride

haematein
475-25-2

haematein

hematein gadolinium(III) complex

hematein gadolinium(III) complex

Conditions
ConditionsYield
In ethanol

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