Welcome to LookChem.com Sign In|Join Free
  • or
Home > Pharmaceutical > 4754 > 

4754-39-6

Basic Information
CAS No.: 4754-39-6
Name: 5'-DEOXYADENOSINE
Article Data: 41
Molecular Structure:
Molecular Structure of 4754-39-6 (5'-DEOXYADENOSINE)
Formula: C10H13 N5 O3
Molecular Weight: 251.245
Synonyms: 5'-Deoxyadenosine
Density: 1.93g/cm3
Boiling Point: 595°Cat760mmHg
Flash Point: 313.6°C
Safety:
WGK Germany 3
RTECS AU7358650
PSA: 119.31000
LogP: -0.37120
  • Display:default sort

    New supplier

  • Manufacturer supply CAS 4754-39-6 with best quality

  • Casno:

    4754-39-6

    Manufacturer supply CAS 4754-39-6 with best quality

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 139.0-210.0

    WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

    Zhuo Zhou Wen Xi Import and Export Co., Ltd. is a company mainly engaged in the export of pharmaceutical raw materials. Its parent company is (Wen Xi Pharma), including three subs

  •  Zhuozhou Wenxi import and Export Co., Ltd

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-13111626072

    Address:Room 1710, Baoxin International Phase I, 19 Guanyun East Road, Zhuozhou, Hebei

       Inquiry Now

  • 5'-Deoxyadenosine

  • Casno:

    4754-39-6

    5'-Deoxyadenosine

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

    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 according to the contract research and development services for the fine chemicals, ph

    Dayang Chem (Hangzhou) Co.,Ltd. dedicated to the development, production and marketing of chemicals which is specialized in Organic compounds; Active Pharmaceutical Ingredi

  •  Dayang Chem (Hangzhou) Co.,Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-571-88938639

    Address:9/F, Unit 2 Changdi Torch Building, 259# WenSan Road, Xihu District, Hangzhou City 310012, P.R.China

       Inquiry Now

  • Adenosine, 5'-deoxy-

  • Casno:

    4754-39-6

    Adenosine, 5'-deoxy-

    Min.Order: 1 Gram

    FOB Price:  USD $ 0.0-0.0

    1.In No Less 10 years exporting experience. you 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 Specializ

    Shanghai Upbio Tech Co.,Ltd (Former Onchem (China)Co.,Ltd) is a comprehensive manufacturer and an international distribution of chemicals throughout the world, The predecessor of

  •  Shanghai Upbio Tech Co.,Ltd

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-21-52196435

    Address:No.2 Floor,No.979 Yunhan Rd,Nicheng,Pudong New Area,Shanghai,China

       Inquiry Now

  • 5'-Deoxyadenosine

  • Casno:

    4754-39-6

    5'-Deoxyadenosine

    Min.Order: 10 Milligram

    FOB Price:  USD $ 0.0-0.0

    Hubei CuiRan Biotechnology Co., Ltd is a leading company in the research, development, manufacture and marketing of High Quality Phytochemicals and Extracts(especially Active Ingredients from Traditional Chinese Medicine,Traditional Chinese Medicine)

    Hubei CuiRan Biotechnology Co., Ltd. is a high-tech enterprise that integrates research and development, production, and sales. It mainly engages in the production, customization,

  •  Hubei CuiRan Biotechnology Co., Ltd

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:18162791556

    Address:Room 301, 3rd Floor, R&D Building, Private Science and Technology Park, Checheng South Road, Wuhan Economic and Technological Development Zone, Hubei Province

       Inquiry Now

  • Adenosine, 5'-deoxy-

  • Casno:

    4754-39-6

    Adenosine, 5'-deoxy-

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

    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

    The company 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,

  •  Henan Wentao Chemical Product Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-370-2722992

    Address:32 Room, 5th Floor, Building 11, No. 6 Yinxing Road, High-tech Industrial Development Zone, Zhengzhou City, Henan Province

       Inquiry Now

  • 5’-Deoxyadenosine

  • Casno:

    4754-39-6

    5’-Deoxyadenosine

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

    Best quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia

    Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, special chemicals and OLED materials &

  •  Xiamen Hisunny Chemical Co.,Ltd

     China (Mainland)  |  Contact Details

    Business Type:Manufacturers

    Tel:86-592-3327115

    Address:Unit 603,No.879,Xiahe Road,Meixin Building,Xiamen,China

       Inquiry Now

  • Deoxyadenosine;5'-Deoxyadenosine  CAS:4754-39-6 from Fandachem

  • Casno:

    4754-39-6

    Deoxyadenosine;5'-Deoxyadenosine CAS:4754-39-6 from Fandachem

    Min.Order: 0 Metric Ton

    FOB Price:  USD $ 0.0-0.0

    Hangzhou Fanda Chemical Co.,Ltd (FandaChem) , a China-based chemical company, specialize in exporting Deoxyadenosine;5'-Deoxyadenosine CAS:4754-39-6;Please contact us by email freely. We are leading exporter in China. If you reall

    Welcome to Hangzhou Fandachem Co.,Ltd (www.FandaChem.com) Hangzhou Fandachem Co.,Ltd (Fandachem),an experienced and professional China-based Fine Chemical supplier. We supply the

  •  Hangzhou Fandachem Co.,Ltd

    China (Mainland)  |  Contact Details

    Business Type:Other

    Tel:+86-571-28800458

    Address:Room 5010, No.9 YanAn Road,Hangzhou,Zhejiang,China

       Inquiry Now

  • Deoxyadenosine

  • Casno:

    4754-39-6

    Deoxyadenosine

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 0.0-0.0

    superior quality moderate price & quick delivery Appearance:powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Application:Used to make other chemic

    Hangzhou Yunuo Chemical Co., Ltd. is located in Hangzhou City, China We are specialized in fine chemicals and basic chemical auxiliary materials, Organic compounds, rubber

  •  HANGZHOU YUNUO CHEMICAL CO.,LTD

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:0571-83715115

    Address:hangzhou

       Inquiry Now

  • 5'-Deoxyadenosine

  • Casno:

    4754-39-6

    5'-Deoxyadenosine

    Min.Order: 1 Milligram

    FOB Price:  USD $ 0.0-0.0

    NewCan Biotech Limited was established in 2021 and is primarily engaged in the research, development, production, and sales of sugars, nucleosides, nucleotides, phosphorylated monomers, as well as next-generation antiviral and antitumor drug intermed

    NewCan Biotech Limited was established in 2021 and is primarily engaged in the research, development, production, and sales of sugars, nucleosides, nucleotides, phosphorylated mo

  •  NewCan Biotech Limited

    China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:0086-0571-86912261

    Address:No. 99, Wangzhou Road, Liangzhu Street, Yuhang District,Hangzhou,Zhejiang,P.R.China

       Inquiry Now

  • Factory Supply Deoxyadenosine

  • Casno:

    4754-39-6

    Factory Supply Deoxyadenosine

    Min.Order: 0 Metric Ton

    FOB Price:  USD $ 0.0-0.0

    The above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi

    Ality Chemical, established in 2007, is a comprehensive Chemical Production&Supply Group with Patent Technology as its core. Ality Chemical operates sales branches in Shanghai, Xia

  •  Ality Chemical Corporation

     China (Mainland)  |  Contact Details

    Business Type:Other

    Tel:0513-87616220

    Address:Fine chemical industry park, Nantong,Jiangsu

       Inquiry Now

  • Adenosine, 5'-deoxy-

  • Casno:

    4754-39-6

    Adenosine, 5'-deoxy-

    Min.Order: 1 Gram

    FOB Price:  USD $ 0.0-0.0

    Shandong Mopai Biotechnology Co., LTD is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemicals. W

    Shandong Mopai Biotechnology Co., LTD is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, s

  •  Shandong Mopai Biotechnology Co., LTD

    China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-15965530500

    Address:shandong

       Inquiry Now

  • Deoxyadenosine

  • Casno:

    4754-39-6

    Deoxyadenosine

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

    Lower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe

    GIHI CHEMICALS CO.,LIMITED, its former company is a small manufacturer who is specialized in the production of ester products which are used in the daily chemicals ,cosmetic produc

  •  GIHI CHEMICALS CO.,LIMITED

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-571-86217390

    Address:No.567 Dengcai Street,Sandun,Westlake District,Hangzhou310030,Zhejiang,China.

       Inquiry Now

  • Deoxyadenosine

  • Casno:

    4754-39-6

    Deoxyadenosine

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

    high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou

    Kono Chem Co.,Ltd is a leading producer of standardized herbal extracts, natural active ingredients and APIs for pharmaceutical, health food and cosmetic industries. Annually, mo

  •  Kono Chem Co.,Ltd

     China (Mainland)  |  Contact Details

    Business Type:Other

    Tel:86-29-86107037-8015

    Address:No.11 Daqing Road,Lianhu District,Xi’an 710082,China

       Inquiry Now

  • 5’-Deoxyadenosine

  • Casno:

    4754-39-6

    5’-Deoxyadenosine

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

    Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS

    Xiamen Aeco Chemical Industrial Co., Ltd(same as Aecochem Corp.) An ISO 9001:2015 Certified Company Your Partner in China, a Professional chemical raw material supplier, our

  •  Aecochem Corp.

     China (Mainland)  |  Contact Details

    Business Type:Manufacturers

    Tel:+86-592 599 8717

    Address:No 611 Sishui Road,Huli

       Inquiry Now

  • 5’-Deoxyadenosine

  • Casno:

    4754-39-6

    5’-Deoxyadenosine

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

    Amoychem is committed to providing the top-quality chemical products and services Internationally. We offer our customers with friendly, professional service and reliable, high performance products that have been manufactured according to the accredi

    Amoychem integrates the sourcing ,marketing and support of the entire range of top-quality chemical products. We provide our customers with professional service and high performan

  •  Xiamen AmoyChem Co.,Ltd

     China (Mainland)  |  Contact Details

    Business Type:Other

    Tel:+86 592 605 1114

    Address:Factory 2/F, NO. 206 Weili Road

       Inquiry Now

  • Adenosine, 5'-deoxy-

  • Casno:

    4754-39-6

    Adenosine, 5'-deoxy-

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

    hight degree of purity Application:Fine chemical intermediates, used as the main raw material for he synthesis of various pesticides, medicines, surfactants, polymer monomers, Ond Ontifungal agents

    Antimex Chemical Limied, was founded in 2001, we are specializing in manufacturing & researching of Active pharmaceutical Ingredients,Veterinary pharm APIs,cosmetic ingredients,and

  •  Antimex Chemical Limied

    China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:0086-21-50563169

    Address:Room1027,No.Jinyu Road,Pudong

       Inquiry Now

  • Deoxyadenosine

  • Casno:

    4754-39-6

    Deoxyadenosine

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

    Best quality with low price Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai

    Sartort Biopharma is a leading company engaging in the production of Intermediates, fine chemicals, Ionic liquids and 3D printing materials. It has such controlled subsidiaries as

  •  Hangzhou Sartort Biopharma Co., Ltd

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:86-571-28069376

    Address:914-915, Bldg. 16, No. 57, Tech Park Road, Baiyang Street, Economic And Technological Development Zone

       Inquiry Now

  • 5'-DEOXYADENOSINE

  • Casno:

    4754-39-6

    5'-DEOXYADENOSINE

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

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

    Henan Kanbei Chemical Co., Ltd. is a modern high-tech chemical enterprise integrating R&D, production and sales. The company has strong technical strength, advanced equipment, stri

  •  Henan Kanbei Chemical Co.,LTD

    China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:86-152-37804566

    Address:Evergrande Future City, intersection of Zhengkai Avenue and Sixteenth Street, Kaifeng Area, Henan Pilot Free Trade Zone

       Inquiry Now

  • 4754-39-6

  • Casno:

    4754-39-6

    4754-39-6

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

    Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen

    Shanghai Chinqesen Biotechnology Co., Ltd. Company slogan:Innovation, cooperation and win-win Company introduction:Shanghai Chinqesen Biotechnology Co., Ltd. is a professional phar

  •  Shanghai Chinqesen Biotechnology Co., Ltd.

    China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+8617316470195

    Address:333 Songze Avenue, Qingpu District, Shanghai

       Inquiry Now

  • Adenosine, 5'-deoxy-

  • Casno:

    4754-39-6

    Adenosine, 5'-deoxy-

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

    4754-39-6 Application:intermediate

    SAGECHEM is a chemical R&D, manufacturing and distribution company since 2009, including pharmaceutical intermediates, agrochemical, dyestuff intermediates, organosilicone, API and

  •  SAGECHEM LIMITED

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-571-86818502

    Address:5Fl. 501Room, Tower A, New Youth Plaza, 8 Jia Shan Road, Hangzhou, China

       Inquiry Now

  • Deoxyadenosine

  • Casno:

    4754-39-6

    Deoxyadenosine

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

    BOC Sciences provides a wide range of research chemicals and biochemicals including inhibitors, building blocks, GMP Products, impurities and metabolites, APIs for Veterinary, Natural Compounds, ADCs, Stem Cell Molecule and chiral compounds.Appearanc

    BOC Sciences is a brand of BOCSCI Inc. We leverage our wide spectrum of business in the fields of development, manufacturing, marketing, and distribution to help you make best-info

  •  BOC Sciences

    United States  |  Contact Details

    Business Type:Trading Company

    Tel:1-631-485-4226

    Address:Ramsey Road

       Inquiry Now

  • 5'-DEOXYADENOSINE

  • Casno:

    4754-39-6

    5'-DEOXYADENOSINE

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

    good quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:1mg Application:Pharma;Industry;Agricultural;chemical reaserch Transportation:by express or by sea Port:Any port

    Shanghai Yuanye Bio-Technology Co., Ltd. is a comprehensive enterprise of life science, specializing in the research, development and sales of biochemical reagents, analytical stan

  •  Shanghai Yuanye Bio-Technology Co., Ltd.

    China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-21-61845781

    Address:Building 6, No. 465, Changta Road,Songjiang District,Shanghai,China

       Inquiry Now

  • 5'-Deoxyadenosine

  • Casno:

    4754-39-6

    5'-Deoxyadenosine

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

    We are professional supplier in China for this product, we are dedicated to providing customers with the best quality, price, and service. Please feel free to send us inquiries.Appearance:Please contact us for product details Package:As per shipment

    Welcome to Sunny Pharmatech! Nanjing Sunny pharmatech Co., Ltd is a manufacturer and supplier of raw materials and ingredients for food and healthy supplement products, intermediat

  •  NANJING SUNNY PHARMATECH CO., LTD

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:86-13814179829

    Address:No. 1704 SHUANGLONOG AVENUE, NANJING, CHINA

       Inquiry Now

  • 5'-DEOXYADENOSINE

  • Casno:

    4754-39-6

    5'-DEOXYADENOSINE

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

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

    Zhejiang Jiuzhou Chemical Co.,Ltd is a market-oriented and innovation-driven biopharmaceutical company. The company is focusing on the R&D, manufacturing and sales of pharmaceutica

  •  ZHEJIANG JIUZHOU CHEM CO.,LTD

    China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86 19334956669

    Address:Waisha Road,Jiaojiang

       Inquiry Now

  • 5'-Deoxyadenosine

  • Casno:

    4754-39-6

    5'-Deoxyadenosine

    Min.Order: 10 Milligram

    FOB Price:  USD $ 0.0-0.0

    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

    Founded in 2011, Amadis Chemical Company Limited is an innovative manufacturer of chemical products and technical service providers. Our business includes sales, manufacture, and s

  • Amadis Chemical Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:86-571-89925085

    Address:Watts Cosine.No.166.Xiangmao Road.

       Inquiry Now

  • 5'-deoxyadenosine

  • Casno:

    4754-39-6

    5'-deoxyadenosine

    Min.Order: 1 Gram

    FOB Price:  USD $ 0.0-0.0

    Betterbiochem is specialized in APIs, pharmaceutical intermediates & fine chemicals. 1. The best quality, competitive price. 2. The best service before or after shipment. 3. Rich experience in export operation. 4. Rich experience in

    Shanghai BetterBioChem Co., Ltd. specializes in research, production of APIs, building blocks and key pharmaceutical intermediates. We provide our products from milligrams to kilog

  • suzhou BetterBioChem Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-18013506594

    Address:No. 8 Building, 18 nong, Xi Yingnan Road, Pudong, Shanghai,China

       Inquiry Now

  • Deoxyadenosine

  • Casno:

    4754-39-6

    Deoxyadenosine

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

    factory spot goods Application:media intermediate

    Zouping Mingxing Chemical Co., Ltd lies at the west of the Huangshan Mountain in Zouping city, near to Zibo and Qingdao in the east, Japan in the west and Ji-Qing Expressway

  • Zouping Mingxing Chemical Co.,Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:86-543-2240068 2240067

    Address:428 Daixi Third Road Zouping County Shandong Province China

       Inquiry Now

  • 5'-Deoxyadenosine

  • Casno:

    4754-39-6

    5'-Deoxyadenosine

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

    With about ten years experiences in the field of pharmaceutical chemicals, Yierdechem has established solid business cooperation relationships with many large companys worldwide.As a leading supplier of API and pharmaceutical intermediates, holds its

    yierdechem is a young and potential team, with about ten years experiences in the field of pharmaceutical intermediate and fine chemicals, yierdechem has established solid business

  • Hangzhou Yierdechem Co. Ltd

    China (Mainland)  |  Contact Details

    Business Type:Other

    Tel:+86-571-86904883

    Address:903,zhijiang Minglou, Xiasha EDA, Hangzhou City 310018,P.R.China

       Inquiry Now

  • 5’-Deoxyadenosine

  • Casno:

    4754-39-6

    5’-Deoxyadenosine

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

    IKGCHEM is a leading manufacturer and supplier of chemical in China.As a Professional chemical raw material supplier,our products are produced in accordance with ISO 9001:2015 Quality Management System and ISO14001:11571 Environmental Management Syst

    IKGCHEM is a leading manufacturer and supplier of chemical in China.As a Professional chemical raw material supplier, our main products include the Pharma Chemical,Petro Chemical,

  • Xiamen Ikg Chemical Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86 592-6102469

    Address:No.25 Binlang Road,Siming, Xiamen, China

       Inquiry Now

  • Total:29 Page 1 of 1 1
Post a RFQ

Enter 15 to 2000 letters.Word count: 0 letters

Attach files(File Format: Jpeg, Jpg, Gif, Png, PDF, PPT, Zip, Rar,Word or Excel Maximum File Size: 3MB)

1

What can I do for you?
Get Best Price

Get Best Price for 4754-39-6