(Z)-Guggulsterone(39025-23-5)
- Name: (Z)-Guggulsterone
- Synonyms:(17Z)-Guggulsterone;4,17(20)-cis-Pregnadiene-3,6-dione;Z-Guggulsterone;cis-Guggulsterone;
- Molecular Formula:C21H28O2
- Molecular Weight:312.452
- CAS Registry Number:39025-23-5
- EINECS:
- Melting Point:188-190°
- Water Solubility:
CAS No.39025-23-5 (Z)-Guggulsterone Manufacturer/High quality/Best price/In stock
Assay:98% Appearance:detailed see specifications Package:according to the clients requirement Storage:Store in dry, dark and ventilated place. Transportation:by sea or by air Application:It is an important raw material and intermediate used in Organic Synthesis, Pharmaceuticals, Agrochemicals and Dyestuff.
Min. Order:1Kilogram
Supplier:Dayang Chem (Hangzhou) Co.,Ltd. [
China (Mainland)]
CAS No.39025-23-5 (Z)-Guggulsterone
Assay:99%min. Appearance:white powder Package:1kg/Export worthy packing; 25kg/drum Storage:In well-closed container, protected from light and in cool & dry place. Transportation:By Air, By Sea, By courier (door to door, DHL/FedEx/UPS) Application:R&D and production for pharmaceuticals and chemicals
Min. Order:1Gram
Supplier:LIDE PHARMACEUTICALS LIMITED [
China (Mainland)]
CAS No.39025-23-5 High quality Gugulipid
Assay:99% Appearance:powder or liquid Package:according to customer requirements Storage:store in dry dark and ventilated place Transportation:By Sea/Air/Courier Application:It is an important raw material.
Min. Order:10Gram
Supplier:Zibo Hangyu Biotechnology Development Co., Ltd [
China (Mainland)]
CAS No.39025-23-5 (Z)-Guggulsterone
Assay:99% Appearance:white powder Package:According to the customer's requestment Storage:Store in dry dark and ventilated place Transportation:Fast! Safe! Promise 100% safe and successful transportation. Door to door transportation services. Application:Pharmaceutical intermediates
Min. Order:1Kilogram
Supplier:RongNa Biotechnology Co., Ltd [
China (Mainland)]
CAS No.39025-23-5 (Z)-Guggulsterone CAS:39025-23-5
Assay:99% Appearance:Brown powder Package:According to customer requirements Storage:Avoid light, ventilation and shade Transportation:Sea or Air Application:It is an important raw material and intermediate
Min. Order:1Gram
Supplier:Qingdao Beluga Import and Export Co., LTD [
China (Mainland)]
CAS No.39025-23-5 Manufacturer Supply High Quality CAS 39025-23-5 Guggulsterone E&Z
Assay:鈮?9% Appearance:White Powder Package:Inside plastic outside Storage:Store in an airtight container in a cool, dry place away from light. Transportation:Transport锛欵MS,DHL, TNT, UPS ,FEDEX, BY AIR, BY SEADHL Express, FedEx and EMS for quantity less than 50KG, usually called as DDU service; Sea shipping for quantity over 500KG; And air shipping i Application:Z-guggulsterone, a component of Commiphora mukul, an Ayurvedic medicinal plant from India, has been found to inhibit the growth of human prostate cancer cells by causing apoptosis.
Min. Order:1Kilogram
Supplier:Hebei Nengqian Chemical Import and Export Co., LTD [
China (Mainland)]
CAS No.39025-23-5 (Z)-Guggulsterone
Assay:99.00% Appearance:White Powder Package:25KG/Drum Storage:Preserve in tight, light-resistant containers Transportation:By Air& By Sea Application:Pharmaceutical
Min. Order:1Kilogram
Supplier:Golden Pharma Co., Limited [
China (Mainland)]
CAS No.39025-23-5 High quality Gugulipid supplier in China
Assay:99% Appearance:white-off solid or colorless liquid ( referto COA) Package:25kgs/fiber drum or 200kgs/UN drum Storage:in a cool and dry place Transportation:by sea or by air Application:Intermediate
Min. Order:0Metric Ton
Supplier:Simagchem Corporation [
China (Mainland)]
CAS No.39025-23-5 (Z)-Guggulsterone
Assay:99% Appearance:White powder Package:25kg/drum Storage:Cool and dry place Transportation:by sea or by air, express for small quantity Application:CAS: 39025-23-5
Min. Order:1Kilogram
Supplier:Siwei Development Group Ltd. [
China (Mainland)]
CAS No.39025-23-5 (Z)-Guggulsterone CAS NO.39025-23-5
Assay:99.0% Appearance:liquid Package:Grams, Kilograms Storage:Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials. Transportation:According to customer request Application:For R&D and commerical use
Min. Order:100Gram
Supplier:Chemlyte Solutions [
China (Mainland)]
CAS No.39025-23-5 39025-23-5
Assay:99% Appearance:White powder Package:25KGS/Drum Storage:Room temperature Transportation:BY SEA Application:API锛孭harmaceutical intermediates
Min. Order:1Gram
Supplier:HENAN NEW BLUE CHEMICAL CO.,LTD [
China (Mainland)]
CAS No.39025-23-5 (Z)-Guggulsterone
Assay:99% Appearance:Powder Package:Glass bottle, customizable Storage:Store at room temperature Transportation:Air and sea transportation
Min. Order:1Kilogram
Supplier:Shanghai Wibson Biotechnology Co., Ltd. [
China (Mainland)]
CAS No.39025-23-5 (Z)-Guggulsterone
Assay: 98%Min Appearance:Detailed in specifications Package:According to customer Storage:Store in dry, dark and ventilated place Transportation:By air or by sea Application:An important raw material and intermediate used in organic Synthesis, Pharmaceuticals
Min. Order:1Kilogram
Supplier:TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD [
China (Mainland)]
CAS No.39025-23-5 Pregna-4,17(20)-diene-3,16-dione,(17Z)-
Assay:99% Appearance:White fine powder Package:according to the clients requirement Storage:Sealed dry storage Transportation:Transportation by express, air, sea; port mainly to Qingdao / Tianjin / Shanghai, or according to customer needs to send different ports and aviation. Application:Plant Extract
Min. Order:1Kilogram
Supplier:Shandong Hanjiang Chemical Co., Ltd. [
China (Mainland)]
CAS No.39025-23-5 (Z)-Guggulsterone CAS NO.39025-23-5
Assay:99% Appearance:White Powder Package:25kg/drum, also according to the clients requirement Storage:Store In Dry, Cool And Ventilated Place Transportation:By Sea Or By Air Application:It is widely used as a thickener, emulsifier and stabilizer
Min. Order:1Kilogram
Supplier:EAST CHEMSOURCES LIMITED [
China (Mainland)]
CAS No.39025-23-5 Best price Gugulipid 39025-23-5
Assay:99.5% Appearance:white or almost white crystalline powder Package:Pack & Store:25kg cardboard barrels lined with plastic bags; or otherwise customized Storage:In cool ,dry place Transportation:Preservce in well-closed containers, prptected from light, Application:USP34 Or EP STANDERUsed as Antibiotic and Antimicrobial Agents
Min. Order:100Kilogram
Supplier:Lonwin Chemical Group Limited [
China (Mainland)]
CAS No.39025-23-5 (Z)-Guggulsterone
Assay:鈮?8% Appearance:powder Package:BAG Storage:In cool ,dry place Transportation:Air or sea freight Application:for pharma use
Min. Order:1Kilogram
Supplier:Qingdao Chengyuan Kaisheng Industry and Trade Co., Ltd. [
China (Mainland)]
CAS No.39025-23-5 Factory Supplier(Z)-Guggulsterone
Assay:98% Appearance:Detailed see specifications Package:Foil bag or Drum or Barrel or as customers requirements Storage:Store in dry dark and ventilated place Transportation:By courier/by air/by sea/by train Application:Pharmaceutical intermediates,custom synthesis and others
Min. Order:0
Supplier:Jiangsu Qianyu Molecular Technology Co., LTD. [
China (Mainland)]
CAS No.39025-23-5 Pregna-4,17(20)-diene-3,16-dione,(17Z)-
Assay:99%min Package:1kg Application:pharmaceutical intermediates
Min. Order:1Gram
Supplier:Hangzhou Dingyan Chem Co., Ltd [
China (Mainland)]
CAS No.39025-23-5 Pregna-4,17(20)-diene-3,16-dione,(17Z)-
Assay:0.98 Appearance:Off white to slight yellow solid Package:1L 5L 10L 25L bottle Storage:Stored in shaded, cool and dry places Transportation:Handle with cares to avoid damaging the packages. Protect them from sunshine or rain. We can send by Fedex, by ship or by plane according to international rules. Application:pharma intermediate
Min. Order:0
Supplier:Antimex Chemical Limied [
China (Mainland)]
CAS No.39025-23-5 (Z)-Guggulsterone
Assay:99% Package:25kg/Drum Storage:100tons Transportation:By air/By sea Application:Chemical industry
Min. Order:0
Supplier:Hebei Mujin Biotechnology Co.,Ltd [
China (Mainland)]
CAS No.39025-23-5 (Z)-Guggulsterone CAS NO.39025-23-5
Assay:99% Appearance:crystal, powder Package:as your request Storage:stay in dry, cool and well-sealed Transportation:EMS,HK EMS,FEDEX,DHL,TNT Application:Pharmaceutical intermediates
Min. Order:1Metric Ton
Supplier:Hebei yanxi chemical co.,LTD. [
China (Mainland)]
CAS No.39025-23-5 cis-Guggulsterone
Assay:95%-98% Appearance:24512-62-7 Package:Brown vial HDPE plastic bottle Storage:Store in dry, dark and ventilated place Application:24512-62-7
Min. Order:0Metric Ton
Supplier:Chengdu Biopurify Phytochemicals Ltd. [
China (Mainland)]
CAS No.39025-23-5 (Z)-Guggulsterone
Assay:99%+ Package:25kg,50kg,180kg,200kg,250kg,1000kg锛宑ustomization Storage:Keep it in dry,shady and cool place Transportation:Transit could be DHL,UPS,TNT,EMS,Fedex,and so on. For mass orders, it will be delivered by air or sea. For small order, please expect 3-7 days by UPS DHL EMS. For mass order, please allow 5-8 days. Application:Pharma;Industry;Agricultural;chemical reaserch
Min. Order:1Kilogram
Supplier:Wuhan Circle Star Chem-medical Technology co.,Ltd. [
China (Mainland)]
CAS No.39025-23-5 (Z)-Guggulsterone
Assay:99% Package:box or opp package Storage:cool drum Transportation:air or sea Application:(Z)-Guggulsterone
Min. Order:1Milligram
Supplier:weifang yangxu group co.,ltd [
China (Mainland)]
CAS No.39025-23-5 (Z)-Guggulsterone CAS NO.39025-23-5
Assay:鈮?9.0% Appearance:White powder Package:25kg drum/bag Storage:Keep in dry and cool place Transportation:by Sea, air and express Application:銆?Use 1 銆? A nutritional supplement. One of the essential amino acids in the human body. Because the price is higher than DL-methionine and the effect is equal, DL-methionine is often used. 銆?Use
Min. Order:1Metric Ton
Supplier:KAISA GROUP INC [
United States]
CAS No.39025-23-5 (Z)-Guggulsterone
Assay:99.0% min Appearance:Highest quality appearance Package:25kgs/drum锛?00kg/drum锛汭BC TANK Storage:Keep in dry and well ventilated warehouse, keep sealed Transportation:By air and by sea Application:Extremely good quality, widely used in Pharmaceutical Industry, Food Industry, agricultural industry etc.
Min. Order:1Kilogram
Supplier:Hangzhou Johoo Chemical Co., Ltd [
China (Mainland)]
CAS No.39025-23-5 Pregna-4,17(20)-diene-3,16-dione,(17Z)-
Assay:99% Package:drum Transportation:By Sea/Air/DHL Application:chemical
Min. Order:0
Supplier:Henan Wentao Chemical Product Co., Ltd. [
China (Mainland)]
CAS No.39025-23-5 Gugulipid
Assay:99% Appearance:detailed see specifications Package:25kg/drum;200kg/drum Storage:Keep away of light, cool place Transportation:Sea/air/courier Application:Chemical synthesis
Min. Order:0
Supplier:Xiamen Hisunny Chemical Co.,Ltd [
China (Mainland)]
CAS No.39025-23-5 (Z)-Guggulsterone
Assay:99% Package:1g/1kg/25kg/200kg Transportation:Courier/Air/Sea Application:Pharm
Min. Order:0
Supplier:Hangzhou J&H Chemical Co., Ltd. [
China (Mainland)]
CAS No.39025-23-5 Gugulipid
Assay:COA Appearance:COA Storage:in stock Application:MSDS/TDS
Min. Order:0
Supplier:Aecochem Corp. [
China (Mainland)]
CAS No.39025-23-5 (Z)-Guggulsterone
Assay:98% Application:Inhibits the growth of human prostate cancer cells
Min. Order:0
Supplier:Jilin Tianyun New Materials Co., Ltd [
China (Mainland)]
CAS No.39025-23-5 (Z)-Guggulsterone
Assay:99% Appearance:detailed see specifications Package:according to the clients requirement Storage:Store in dry, dark and ventilated place Transportation:transport by sea or by air Application:FINE Chemical & INTERMEDIATES;Pharmaceutical Intermediates;blocks;Chemical Synthesis;Building Blocks;Carbonyl Compounds;Chemical Synthesis;Organic Building Blocks;
Min. Order:1Gram
Supplier:Shanghai Massive Chemical Technology Co., Ltd. [
China (Mainland)]
CAS No.39025-23-5 Pharmaceutical Grade CAS 39025-23-5 with competitive price
Assay:99% Appearance:White powder Package: [Packaging]20mg, 50mg,100mg,1g,10g,100g,according to customers' requirements Storage: should be stored in a well-closed container at low temperature, keep away from moisture, heat and light. Transportation:1. Samples 1kg-10kg are shipped by international express. 2. 50kg-100kg of goods are transported by dedicated line logistics. 3. Cargo 100kg-1ton is transported by dedicated line logistics. Application:Chemical raw materials, pharmaceutical intermediates, cosmetic raw materials, etc.
Min. Order:1Kilogram
Supplier:Zhuozhou Wenxi import and Export Co., Ltd [
China (Mainland)]
CAS No.39025-23-5 (Z)-Guggulsterone
Assay:99% Appearance:powder Package:According to client's requirements Storage:Store in dry, dark and ventilated place. Transportation:by sea/by air/by express Application:pharmaceutical intermediates
Min. Order:1Gram
Supplier:Hangzhou KieRay Chem Co.,Ltd. [
China (Mainland)]
CAS No.39025-23-5 (Z)-Guggulsterone
Assay:98% Appearance:detailed see specifications Package:According to the clients requirement. Storage:Store at 2~8掳C Transportation:by air or by ocean shipping Application:analysis,activity test,Botanical Reference Materials,Standard materials
Min. Order:10Milligram
Supplier:Hubei CuiRan Biotechnology Co., Ltd [
China (Mainland)]
CAS No.39025-23-5 (Z)-Guggulsterone CAS NO.39025-23-5
Assay:99% Appearance:liquid or powder Package:according to the clients requirement Storage:Dry and Cool Place Transportation:UPS FedEx ,DHL,EXPRESS LINE Application:healing drugs
Min. Order:1Gram
Supplier:Shandong Mopai Biotechnology Co., LTD [
China (Mainland)]
CAS No.39025-23-5 (Z)-Guggulsterone
Assay:99.0% Appearance:Clear, colorless liquid Package:according to your requirement Storage:Store in a dry, dark and ventilated place Transportation:by air/by sea /by train Application:lt is an important raw material and intermediate used in Organic Synthesis, Pharmaceuticals, Agrochemicals and Dyestuff.
Min. Order:1Kilogram
Supplier:Suzhou Senfeida Chemical Co., Ltd [
China (Mainland)]
CAS No.39025-23-5 (Z)-Guggulsterone CAS NO.39025-23-5
Assay:99% Appearance:white powder Package:drum or based on customers' requirement Storage:normal temperature storage Transportation:by sea, by air Application:We have different specifications for different applications
Min. Order:1Metric Ton
Supplier:Bluecrystal chem-union [
China (Mainland)]
CAS No.39025-23-5 (Z)-Guggulsterone
Assay:High quality, please feel free to contact us at any time Appearance:Please feel free to contact us, we will provide you with the best service Package:Please feel free to contact us at any time Storage:We have professional warehousing equipment, please rest assured Transportation:We have professional transportation capabilities Application:multi-purpose
Min. Order:0
Supplier:Changzhou Helios Biomedical Science and Technology Co.,LTD. [
China (Mainland)]
CAS No.39025-23-5 (Z)-Guggulsterone
Assay:97% Appearance:white powder Package:according to the clients requirement Storage:Room temperature with sealed well Transportation:by sea or by air Application:Use as primary and secondary intermediate
Min. Order:0
Supplier:BOC Sciences [
United States]
CAS No.39025-23-5 (Z)-Guggulsterone
Assay:white powder Appearance:Keep it in dry,shady and cool place Package:Transit could be DHL,UPS,TNT,EMS,Fedex,and so on. For mass orders, it will be delivered by air or sea. For small order, please expect 3-7 days by UPS DHL EMS. For mass order, please allow 5-8 days... Storage:Pharma;Industry;Agricultural;chemical reaserch Transportation:Any port in China Application:25kg,50kg,180kg,200kg,250kg,1000kg锛宑ustomization
Min. Order:0
Supplier:Shandong Baimao Chemical Co., Ltd [
China (Mainland)]
CAS No.39025-23-5 (Z)-Guggulsterone
Assay:HPLC鈮?8% Appearance:powder Storage:Sealed in dry,Room Temperature Transportation:by express or by sea Application:for pharma use
Min. Order:0
Supplier:Falcon Life Sciences Pvt. Ltd [
China (Mainland)]
CAS No.39025-23-5 Z-Guggulsterone manufacturer
Assay:HPLC鈮?5% Appearance:white powder Package:According client's requirements Storage:keep sealed and keep from direct light Transportation:by express or by sea Application:pharmaceutical
Min. Order:0
Supplier:Shanghai Yuanye Bio-Technology Co., Ltd. [
China (Mainland)]
CAS No.39025-23-5 (Z)-Guggulsterone 39025-23-5
Assay:98% Appearance:solid or liquid Package:Foil bag; Drum; Plastic bottle Storage:in sealed air resistant place Transportation:by sea or air Application:Pharma;Industry;Agricultural
Min. Order:0
Supplier:Hunan Russell Chemicals Technology Co.,Ltd [
China (Mainland)]
CAS No.39025-23-5 (Z)-Guggulsterone CAS No.39025-23-5
Assay:99.90% Appearance:solid or liquid Package:As customer's requested Storage:sealed in cool and dry place Transportation:by courier/air/sea Application:Pharma Intermediate
Min. Order:0
Supplier:Guangdong Juda Chemical Industrial Co.,Limited [
China (Mainland)]
CAS No.39025-23-5 (Z)-Guggulsterone
Assay:Pure Appearance:Powder Package:1kg/tin 5kg/tin 25kg/carton Storage:Store in dry, cool and ventilated place Transportation:By sea By air By courier Application:Pharmaceutical raw materials, making injection powder oral agent
Min. Order:0
Supplier:Asure Biochem CO.,LTD. [
China (Mainland)]
CAS No.39025-23-5 (Z)-Guggulsterone
Appearance:95%+ Package:R&D,Pilot run Transportation:per client require
Min. Order:0
Supplier:Hunan chemfish Pharmaceutical co.,Ltd [
China (Mainland)]
CAS No.39025-23-5 (Z)-Guggulsterone
Assay:98% Appearance:powder or crystal Package:10mg,20mg,1g or on request Storage:-20degree Transportation:room temperature Application:For research use only, like HPLC, Cell Culture, Animal Experiment, High Throughout Screening, etc..
Min. Order:0
Supplier:shanghai Tauto Biotech Co., Ltd [
China (Mainland)]
CAS No.39025-23-5 (Z)-Guggulsterone CAS NO.39025-23-5
Assay:99%MIN Application:(Z)-Guggulsterone CAS NO.39025-23-5
Min. Order:0
Supplier:Wuhan 90000 Lithium Industry and Trade Co., Ltd. [
China (Mainland)]
CAS No.39025-23-5 Guggulsterone Z (25 mg)
Assay:98% Package:According to the demand of customer Storage:Sealed, dry, microtherm , avoid light and smell. Transportation:by air or by sea Application:Organic synthesis
Min. Order:0
Supplier:Henan Allgreen Chemical Co.,Ltd [
China (Mainland)]
- shanghai Tauto Biotech Co., Ltd
- Dayang Chem (Hangzhou) Co.,Ltd.

Other Product
- 51958-75-9/Benzo[rst]phenaleno[1,2,3-de]pentaphen-18- (10H)-one
- 6333-29-5/2,6-bis(morpholin-4-ylmethyl)cyclohexanone
- 67990-52-7/Ethyl acrylate, alpha-methylstyrene, styrene, acrylonitrile, methacrylic acid polymer
- 7721-24-6/4-(4-BROMOPHENYL)-2-OXO-2,5-DIHYDRO-3-FURANCARBONITRILE
- 3772-42-7/Dicaine
- 81134-43-2/1-[3-(methoxymethoxy)phenyl]non-1-en-3-one
- 29261-37-8/(benzoyloxy)methyl 2-{[3-(trifluoromethyl)phenyl]amino}benzoate
- 53014-37-2/tetranitroaniline
- 15436-20-1/N-[(3-methoxyphenyl)(methyl)-lambda~4~-sulfanylidene]-4-methylbenzenesulfonamide
- 37341-91-6/Dipeptidase,methionyl
- 17767-38-3/ethyl 2-[2-(2,4-dinitrophenyl)hydrazinylidene]propanoate
- 97382-86-0/3-(3-methoxyphenyl)-2,5-dihydro-1H-pyrrole hydrobromide
- 130997-66-9/3-(cyclopropylmethyl)-6-(trifluoromethoxy)benzothiazol-2-imine hydrobr omide
- 58568-07-3/6,6-dimethyl-1-(3-methylbutoxy)-1-oxoheptan-2-aminium chloride
- 162666-34-4/flutimide
- 74555-92-3/1H-[1,3]Dioxolo[4,5-j]pyrrolo[3,2,1-de]- phenanthridin-1-ol,2-chloro-2,4,5,7,12b,12chexahydro-,(1S,2S,12bS,12cS)-
- 63906-54-7/Bis(1-piperidylthiocarbamoyl) pertetrasulfide
- 149438-31-3/11,27-dihydroxy-17-{2-[(1S,3R,4R)-4-hydroxy-3-methoxycyclohexyl]-1-methylethyl}-10,33-dimethoxy-6,8,12,14,28,34-hexamethyl-2-phenyl-7,8,11,12,13,14,16,17,27,28,29,30,31,32,33,34,35,36-octadecahydro-1H,5H-27,31-epoxy-5,36-ethenopyrido[2,1-c][1,2,4]triazolo
- 62064-76-0/2-(ethylamino)-1-[3-(trifluoromethyl)phenyl]ethanol
- 39025-23-5/(Z)-Guggulsterone
- 34388-24-4/3-Methyl-5-oxo-4-[2-(3,5-xylyl)hydrazono]-2-pyrazoline-1-carboxamide
- 136794-72-4/5,5a,8a,9-Tetrahydro-5-(4-hydroxy-3,5-dimethoxyphenyl)-9-(((3-nitrophenyl)methyl)amino)-furo(3,4:6,7)naphtho(2,3-d)-1,3-dioxol-6(8H)-one, (5R-(5alpha,5abeta,8aalpha,9beta))-
- 10216-10-1/1-(azepan-1-yl)butan-1-one
- 6040-98-8/4-butyl-N-(4-{5-[(3-methylphenyl)carbonyl]-4,5,6,7-tetrahydrofuro[3,2-c]pyridin-2-yl}phenyl)benzamide
- 1622-99-7/4-cyano-1-propylpyridinium
- 6339-13-5/2,4-DIMETHYLVALERONITRILE
- 75603-43-9/DNA (coliphage T7 gene 1.2) 255
- 178176-88-0/1aH,4H-Bisoxireno[1,8a:3,3a]azuleno[6,5-b]- furan-7(9H)-one,2,2a,5,5a-tetrahydro-1a,4,- 8-trimethyl-,(1aR,2aS,3aS,4R,5aS,9aR)-rel-
- 23639-40-9/5H-8b,12-(Epoxymethano)-1H-fluoreno[9,8a-c]pyran-1,3(4H)-dione(9CI)
- 38449-92-2/disodium 4-amino-3-[[4'-[(2,4-diaminophenyl)azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonate