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Home> CAS DataBase Listed 5 > CAS 520-45-6
520-45-6 structure 3D

CAS No. 520-45-6

  • Molecular Weight: 168.14700
  • Formula: C9H8O2S
  • Name: 4-(METHYLMERCAPTO)ANILINE HYDROCHLORIDE
  • Synonyms: DHA; dhaa; -lactone; DEHYDRANONE; Geogard(R) 361; Geogard(R) 221; Geogard(R) 111A; DEHYDRACETSAEURE; DEHYDRACETIC ACID; dehydro-aceticaci; 3-Acetyl-6-methyl-2H-pyran-2,4(3H)-dione; 3-acetyl-6-methyl-(2H)-pyran-2,4(3H)dione; 2H-Pyran-2,4(3H)-dione, 3-acetyl-6-methyl-; 2-Acetyl-5-hydroxy-3-oxo-4-hexenoic acid &delta
Properties Safety and Handling Reach Info MSDS NMR Spectrum Synthesis Route Precursor and Product Computational chemical data
Identification of 520-45-6 Safety Data Properties
  • Appearance:
  • white powder
  • Molecular Weight:
  • 168.14700
  • Melting Point:
  • 111-113°C(lit.)
  • Storage Temperature:
  • 0-6°C
  • Refractive index:
  • 1.4379 (20ºC)
  • Solubility:
  • insoluble

  • Stability:
  • Stable. Incompatible with oxidizing agents, bases, reducing agents.
  • Usage:
  • Dehydroacetic acid (DHS) is used as stabilizer for cosmetic and pharmaceutical products due to its fungicide and bactericide activity, as additive for PVC-stabilizers and for the syntheses of veterinary medicines. Product Data Sheet
  • More Properties>>
Upstream Product Downtream information
There are 113 suppliers who can provide 4-(METHYLMERCAPTO)ANILINE HYDROCHLORIDE with CAS No. 520-45-6
Dehydroacetic acid
  • FOB Price:2 USD/Kilogram 
  • Cas No:520-45-6 
  • Min.Order:1/Kilogram 
  • Purity:95%, 99% 
  • Supply Ability:5 Year/Metric Ton 
  • Formula:C8H8O4 
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  • Updatetime:Sep 16 2019 
Hangzhou Dayangchem Co., Ltd.
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Dehydroacetic acid
  • Cas No:520-45-6 
  • Min.Order:25/Kilogram 
  • Purity:98% 
  • Supply Ability:1-500 Year/Metric Ton 
  • Formula:C8H8O4 
  • Payment:T/T L/C 
  • Updatetime:Sep 16 2019 
Wuhan Fortuna Chemical Co., Ltd.
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Dehydroacetic acid
  • FOB Price:1 USD/Kilogram 
  • Cas No:520-45-6 
  • Min.Order:1/Kilogram 
  • Purity:99%min 
  • Supply Ability:20 Year/Metric Ton 
  • Formula:C8H8O4 
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  • Updatetime:Jun 26 2019 
Xiamen Zhongyuan Hongye Chemical Co., Ltd.
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1YR Main Products
pharmaceutical intermediates, biochemistry and customized chemicals, special chemicals, organic and inorganic chemicals, medical devices, electronic chemicals and biological sciences
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Dehydroacetic acid
  • Cas No:520-45-6 
  • Formula:C8H8O4 
  • Einecs:208-293-9 
  • Description:High quality with nice price! J&H chemical provides you with the best chemical compounds you are looking for!
  • Updatetime:Nov 13 2015 
Hangzhou J&H Chemical Co., Ltd
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  • Registered Time:2002
  • Registered Capital:US$501 Thousand - US$1 Million
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  • Address:No.200 Zhenhua Rd.Xihu Industrial Park, Hangzhou 310030, China
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3,5-Dibromoanisole,5-Fluoro-2-nitroanisole,Doxorubicin hydrochloride,Diethyl 4-oxoheptanedioate,1,5-Diphenylpenta-1,4-dien-3-one,3,5-Dimethoxy-4-hydroxycinnamic acid
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Dehydroacetic acid
  • Cas No:520-45-6 
  • Formula:C8H8O4 
  • Einecs:208-293-9 
  • Description:Name: Dehydroacetic acid Synonyms: 2-Acetyl-5-hydroxy-3-oxo-4-hexenoic acid, delta-lactone; 3-Acetyl-4-hydroxy-6-methyl-2H-pyran-2-one; 3-Acetyl-6-methyl-2,4-pyrandione; 3-acetyl-6-methyl-2H-Pyran-2,4(3H)-dione; 3-Acetyl-6-methyl-2-pyranone; DHA; DHAA; Pyran-2...
  • Updatetime:Jun 12 2019 
Zhejiang Haiqiang Chemical Co.,Ltd.
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  • Address:5/F, Around Town North Road,No. 10, Hangzhou, Zhejiang,China
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API Intermediate Plant extracts Pigments and dyes Food and feed additives Reagent Customization synthesisOther products
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Dehydroacetic acid
  • FOB Price:1 USD/Kilogram 
  • Cas No:520-45-6 
  • Min.Order:1/Kilogram 
  • Purity:98% 
  • Supply Ability:100 Month/Kilogram 
  • Formula:C8H8O4 
  • Payment:T/T,Western Union, MoneyGran 
  • Updatetime:May 21 2019 
Career Henan Chemical Co
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  • Registered Time:0
  • Registered Capital:US$5 Million - US$10 Million
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  • Address:Building 3 of Innovation Park, East District of the National University Science Park of Henan Province
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Career Henan Chemical Co, facing global High-tech pharmaceutical raw materials, high complex new type intermediates, fine chemicals custom synthesis, scale-up production and Rare chemicals trade.
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Dehydroacetic acid
  • FOB Price:1 USD/Gram 
  • Cas No:520-45-6 
  • Min.Order:100/Gram 
  • Purity:99.9% 
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  • Formula:C8H8O4 
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  • Updatetime:Mar 26 2019 
Hubei XinRunde Chemical Co., Ltd
  • Category:Individual (Sole proprietorship)
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Main Products
Pharmaceutical Intermediate; Pharmaceutical Raw Materials; Raw Steroid Powders; Raw Hormone Powders; etc
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DHA 520-45-6 supplier
  • Cas No:520-45-6 
  • Min.Order:1/Milligram 
  • Purity:98% 
  • Supply Ability:100 Year/Metric Ton 
  • Formula:C8H8O4 
  • Appearance:powder 
  • Updatetime:Feb 25 2019 
Nanjing Sunsure Chemical Technology Co., Ltd
  • Tel:+86-025-58535435
  • Address:Southeast University Science Park(SEUSP) Gaoxin, Nanjing, Jiangsu 210032, China
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Methylacetopyronone
  • FOB Price:0 RMB/Kilogram 
  • Cas No:520-45-6 
  • Min.Order:1/Kilogram 
  • Purity:99 
  • Supply Ability:1000 Year/Metric Ton 
  • Formula:C8H8O4 
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  • Updatetime:Nov 21 2018 
Jinan Haohua Industry Co., Ltd.
  • Category:Corporation/Limited Liability Company
  • Registered Time:2006
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  • Employees:501 - 1000 People
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  • Address:No.59 Gongye South RD
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Chlorodimethylsilane;1,1,3,3-tetramethyldisiloxane
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Dehydroacetic acid
  • Cas No:520-45-6 
  • Purity:contact us for more details about Dehydroacetic acid, CAS:520-45-6 
  • Formula:C8H8O4 
  • Appearance:contact us for more details about Dehydroacetic acid, CAS:520-45-6 
  • Einecs:208-293-9 
  • Description:FINETECH INDUSTRY LIMITED is a LONDON based CRO company providing drug discovery & development services to worldwide clients. FINETECH INDUSTRY LIMITED supplies the Dehydroacetic acid, CAS:520-45-6 with the most competitive price and the best quality. We can o...
  • Updatetime:Nov 21 2018 
Finetech Industry limited.
  • Category:Corporation/Limited Liability Company
  • Registered Time:2007
  • Registered Capital:US$501 Thousand - US$1 Million
  • Employees:11 - 50 People
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  • Address:chukang Road, Wuhan, Hubei 430073,
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custom synthesis,Lab reagent,CRO,CMO,R&D research chemicals.such as CAS:4651-67-6;CAS:99-16-1;CAS:145100-50-1
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Dehydroacetic acid
  • Cas No:520-45-6 
  • Formula:C8H8O4 
  • Einecs:208-293-9 
  • Updatetime:Nov 21 2018 
Shanghai Hope Chem Co., Ltd.
  • Category:Corporation/Limited Liability Company
  • Registered Time:2014
  • Registered Capital:US$501 Thousand - US$1 Million
  • Employees:11 - 50 People
  • Tel:86-21-61723543
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  • Address:Room508, Building1, No.88 CaiLun Road Zhangjiang H
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Shanghai Hope Chem Co., Ltd. was founded in 2014 with registered capital of RMB 2 million Yuan.
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High purity Dehydroacetic acid with best price
  • FOB Price:1000 USD/Kilogram 
  • Cas No:520-45-6 
  • Min.Order:1/Kilogram 
  • Purity:99.5% 
  • Supply Ability:100 Month/Kilogram 
  • Formula:C8H8O4 
  • Payment:Western Union,MoneyGram, 
  • Updatetime:Sep 20 2017 
Hebei Hongyuan Kang Import and Export Trade Co., Ltd
  • Registered Time:2017
  • Employees:11 - 50 People
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  • Address:Jianling Apt.4-2-1702 Yuhua area Shijiazhuang
Main Products
Pharmaceutical intermediate, pharmaceutical raw materials
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3-ACETYL-4-HYDROXY-6-METHYL-2-PYRONE
  • Cas No:520-45-6 
  • Min.Order:1,5,25/Gram 
  • Purity:95%min 
  • Supply Ability:kilograms Day/kilograms 
  • Formula:C8H8O4 
  • Payment:negotiation 
  • Updatetime:Dec 15 2016 
Struchem Co Ltd
  • Category:Corporation/Limited Liability Company
  • Registered Time:2010
  • Registered Capital:US$101 Thousand - US$500 Thousand
  • Legal Representative:Xiaoxia Zhang
  • Employees:11 - 50 People
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  • Address:No. 2358 Chang'an Rd, Wujiang City, JiangSu Province, China 215200
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all kinds of fine chemicals, APIs, Bio-chemicals, from grams to kilograms, and larger scale. both with compounds in stock and custom synthesis.
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3-Acetyl-4-hydroxy-6-methyl-2H-pyran-2-one
  • Cas No:520-45-6 
  • Min.Order:1/Kilogram 
  • Purity:98% 
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  • Formula:C8H8O4 
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Capot Chemical Co., Ltd.
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  • Registered Capital:Below US$100 Thousand
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Pivaldehyde * 630-19-3 2-Iodobenzoic acid * 88-67-5 /N-Iodosuccinimide * 516-12-1 p-Nitrophenylacetonitrile * 555-21-5 3-Methylpyrrole * 616-43-3
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Dehydroacetic acid CAS No.: 520-45-6
  • FOB Price:1 USD/Kilogram 
  • Cas No:520-45-6 
  • Min.Order:500/Gram 
  • Purity:99 
  • Supply Ability:10 Month/Metric Ton 
  • Formula:C8H8O4 
  • Payment:T/T,Western Union,MoneyGram, 
  • Updatetime:Sep 29 2016 
Wuhan Dahua Weiye Pharmaceutical Co.,Ltd
  • Category:Partnership
  • Registered Time:2005
  • Registered Capital:US$101 Thousand - US$500 Thousand
  • Legal Representative:xusasa
  • Employees:51 - 100 People
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  • Address:daijiashan 45,jiangan economic departmen zone,wuhan,hubei,China
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Pharmaceutical, pharmaceutical intermediat,hormone powders
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Powerful Grade DHA Powder Schizochytrium ;Cas :520-45-6
  • FOB Price:50 USD/Kilogram 
  • Cas No:520-45-6 
  • Min.Order:10/Kilogram 
  • Purity:99% 
  • Supply Ability:10000 Month/Kilogram 
  • Formula:C8H8O4 
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  • Updatetime:Sep 21 2016 
Hubei Yuancheng Saichuang Technology Co., Ltd
  • Category:Individual (Sole proprietorship)
  • Registered Time:2002
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  • Address:28# Golden Avenue, Golden Industrial Zone, Zhengdian Street, Jiangxia District, Wuhan City, Hubei, P. R. China
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Anabolic Steroid Hormone Powder, Muscle Building Steroids, Oral Anabolic Steroids, Injectable Anabolic Steroids, Pharmaceutical Raw Materials, Food Additives, Flavor&,Fragrance
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Dehydroacetic acid
  • Cas No:520-45-6 
  • Formula:C8H8O4 
  • Einecs:208-293-9 
  • Description:Cas No.: 520-45-6;16807-48-0 Product Name: Dehydroacetic acid Formula: C8H8O4 Synonyms: 2-Acetyl-5-hydroxy-3-oxo-4-hexenoic acid, delta-lactone;3-Acetyl-6-methyl-2,4-pyrandione;3-acetyl-6-methyl-2H-Pyran-2,4(3H)-dione;3-Acetyl-6-methyl-2-pyranone;DHAA;Pyran-2,...
  • Updatetime:Nov 23 2015 
NANJING HERMOS SCIENCE AND TECHNOLOGY CO.,LTD.
  • Category:LLC (Ltd Liability Corp)
  • Registered Time:2005
  • Registered Capital:US$101 Thousand - US$500 Thousand
  • Employees:51 - 100 People
  • Tel:86-25-84267575
  • Fax:86-25-84209498
  • Address:NO.100 JIANYE ROAD, NANJING, CHINA
Main Products
Ortho-Carboxylic Acid Ester,Protected Amino Acid,API,Pharmaceutical Intermediates & Peptide Reagents
Contact Supplier
Dehydroacetic Acid
  • Cas No:520-45-6 
  • Formula:C8H8O4 
  • Payment:L/C,T/T, 
  • Einecs:208-293-9 
  • Description:  Dehydroacetic Acid  Cas No.: 520-45-6 EINECS NO: 208-293-9 Formula: C8H8O4 Structure Formula:  M.W.: 168.15 Characters Beige to light-yellow crystalline powder. Odorless, slight sourness. Melting point: 109℃~112℃. Solubility(25℃,g/100g): ethanol 3; gly...
  • Updatetime:Feb 13 2015 
HUTONG GLOBAL CO.,LTD
  • Category:Corporation/Limited Liability Company
  • Registered Time:2013
  • Registered Capital:US$101 Thousand - US$500 Thousand
  • Legal Representative:Mr Chau Yang
  • Employees:11 - 50 People
  • Tel:86-22-59853797
  • Fax:86-22-58823400
  • Address:chagugang,wuqing district,Tianjin,China
Main Products
barite,barium sulfate,titanium dioxide,calcium carbide,caustic soda,soda ash,glycerol monostearate,perchloroethylene,titanium tetrachloride,epichlorohydrin,bon acid,2b acid,naphthol AS,AAOA,MEA
Contact Supplier
Dehydroacetic acid
  • Cas No:520-45-6 
  • Formula:C8H8O4 
  • Einecs:208-293-9 
  • Updatetime:May 10 2019 
Connect Chemicals GmbH
  • Tel:+49 2102 2077 0
  • Fax:+49 2102 2077 40
Contact Supplier
Dehydroacetic acid
  • Cas No:520-45-6 
  • Formula:C8H8O4 
  • Einecs:208-293-9 
  • Updatetime:May 10 2019 
Shanghai Qiuzhiyou Bioscience & Biotechnology Co., Ltd
  • Tel:0086-21-64250676
  • Fax:0086-21-64250676
  • Address:Mail Box 365, 130 Meilong Road, Shanghai, China, 200237
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