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434-16-2

Basic Information
CAS No.: 434-16-2
Name: Cholesta-5,7-dien-3-ol,(3b)-
Molecular Structure:
Molecular Structure of 434-16-2 (Cholesta-5,7-dien-3-ol,(3b)-)
Formula: C27H44O
Molecular Weight: 384.64
Synonyms: Cholesta-5,7-dien-3b-ol (8CI);(3b)-Cholesta-5,7-dien-3-ol;7,8-Didehydrocholesterol;Cholesterol,7-dehydro-;Dehydrocholesterol;NSC 18159;Provitamin D3;D5,7-Cholestadien-3b-ol;D7-Cholesterol;7-Dehydrocholesterol;
EINECS: 207-100-5
Density: 1.002 g/cm3
Melting Point: 148-152 °C(lit.)
Boiling Point: 493.744 °C at 760 mmHg
Flash Point: 212.294 °C
Solubility: insoluble in water
Appearance: white to off-white fine crystalline powder
Hazard Symbols:
Risk Codes:
Safety: 24/25
Transport Information:
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    Orchid Chemical was established in 2009; we are headquartered in Hangzhou, which is 200 km from China's biggest sea port, Shanghai. Orchid chemical is a joint-venture company, com

  •  ORCHID CHEMICAL SUPPLIES LTD

     China (Mainland)  |  Contact Details

    Business Type:Other

    Tel:+86-571-85395792

    Address:607, North Zhongshan Road, Hangzhou 310000 China

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  • DEHYDROCHOLESTEROL, 7-(AS)

  • Casno:

    434-16-2

    DEHYDROCHOLESTEROL, 7-(AS)

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea

    Located in Zhengdong New District,?Zhengzhou of Henan province, Henan Allgreen Chemical Co.,Ltd is a comprehensive high-tech modern enterprises integrating professional R&D, pro

  •  Henan Allgreen Chemical Co.,Ltd

     China (Mainland)  |  Contact Details

    Business Type:Manufacturers

    Tel:+86-0371-87507775

    Address:No 260 Dongming Road,Jinshui District

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  • 7-Dehydrocholesterol

  • Casno:

    434-16-2

    7-Dehydrocholesterol

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    R & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:plant extracts Transportation:Air Port:Shanghai;Guangzhou

    Nanjing Norris Pharm Technology Co., Ltd., born in July, 2012, is a new company registered in Nanjing, Jiangsu Province,China. Norris grows tremendously since 2012.Till Dec.31,2015

  •  Nanjing Norris Pharm Technology Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-025-66112885

    Address:2 Qiande Road, Jiangning sciencepark Hi-Tech Zone, Nanjing, P.R.China

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  • Cholesta-5,7-dien-3-ol,(3b)-

  • Casno:

    434-16-2

    Cholesta-5,7-dien-3-ol,(3b)-

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    Comply with CP,JP,EP,US GradeAppearance:White Solid Storage:Stored under room temperature in cool and dry place Package:In 25KG paper or plastic drums Application:Used as pharmaceutical Intermeidate Transportation:Shipped as non- dangerous chemicals

    It is time to change ,along with Daken. Established in 2016, China ,Daken chemical limited , is still a young chemical synthesis and exporting company . Daken Chemical limited is

  •  Henan DaKen Chemical CO.,LTD.

     China (Mainland)  |  Contact Details

    Business Type:Manufacturers

    Tel:+86-371-55541817

    Address:No9,Inner Road,CBD,Zhengzhou ,China

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  • Cholesta-5,7-dien-3-ol,(3b)-

  • Casno:

    434-16-2

    Cholesta-5,7-dien-3-ol,(3b)-

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    J&H Chemical is ISO 9001 supplier dealing with APIs & Intermediates, Heterocyclic compounds, Amino acids and its derivatives, Custom synthesis. Please send mail to sales@jhechem.com for further discussion Application:Pharm use mainly

    J&H Chemical is one of China's leading providers of integrated fine chemical services including offering, research and development, Custom manufacturing business, as well as other

  •  Hangzhou J&H Chemical Co., Ltd.

    China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-571-87396430 87396432

    Address:No.200 Zhenhua Rd.Xihu Industrial Park, Hangzhou 310030, China

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  • 7-Dehydrocholesterol

  • Casno:

    434-16-2

    7-Dehydrocholesterol

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    please contact us to confirm the required quantity and quote, we will provide you with COA,NMR,HPLC and other relevant informationAppearance:White Storage:Store in a cool place. Keep container tightly closed in a dry and well-ventilated place Package

    Nanjing Chemlin Chemical Industry Co., Ltd was established in Aug,1999, located in the industrial park of Nanjing University of Technology, It is a private enterprises in Jiangsu P

  •  Nanjing Chemlin Chemical Co., Ltd.

    China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-25-83697070

    Address:Rm.902 Longyin Plaza, No. 217 Zhongshan Rd.(N) Nanjing 210009,China

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  • Cholesta-5,7-dien-3-ol,(3b)-

  • Casno:

    434-16-2

    Cholesta-5,7-dien-3-ol,(3b)-

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    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

    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

  •  Shanghai united Scientific Co.,Ltd.

    China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-21-53535353

    Address:28F No.900 huaihai Road Shanghai China

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