Welcome to LookChem.com Sign In|Join Free
  • or
Home > Pharmaceutical > 38771 > 

38771-21-0

Basic Information
CAS No.: 38771-21-0
Name: 1-Butyne, 4-bromo-(6CI,9CI)
Article Data: 9
Cas Database
Molecular Structure:
Molecular Structure of 38771-21-0 (1-Butyne, 4-bromo-(6CI,9CI))
Formula: C4H5 Br
Molecular Weight: 132.988
Synonyms: 1-Bromo-3-butyne;4-Bromo-1-butyne
EINECS: N/A
Density: 1.417
Melting Point: N/A
Boiling Point: 110 °C
Flash Point: 24 ºC
Solubility: Immiscible with water.
Appearance: N/A
Hazard Symbols:
Risk Codes: R10;R25;R43   
Safety: 36/37-45
Transport Information: N/A
PSA: 0.00000
LogP: 1.40460
Synthetic route
927-74-2

1-butyn-4-ol

38771-21-0

4-bromobut-1-yne

Conditions
ConditionsYield
With phosphorus tribromide27%
With pyridine; diethyl ether; phosphorus tribromide
With pyridine; phosphorus tribromide
In phosphorus tribromide; diethyl ether11 g (59%)
With phosphorus tribromide
23418-85-1

3-butyn-1-yl p-toluenesulfonate

38771-21-0

4-bromobut-1-yne

Conditions
ConditionsYield
With ethoxyethoxyethanol; calcium bromide
With lithium bromide In acetone Yield given;
With sodium bromide In acetonitrile
38771-21-0

4-bromobut-1-yne

70978-37-9

1-(azidomethyl)-4-methoxybenzene

1-(4-methoxybenzyl)-4-vinyl-1H-1,2,3-triazole

Conditions
ConditionsYield
Stage #1: 4-bromobut-1-yne; 1-(azidomethyl)-4-methoxybenzene With copper(ll) sulfate pentahydrate; sodium L-ascorbate In ethanol; water at 25℃; for 12h; Green chemistry;
Stage #2: With sodium hydroxide In ethanol; water at 45℃; for 8h; Reagent/catalyst; Temperature; Concentration; Green chemistry;
99%
38771-21-0

4-bromobut-1-yne

1214264-88-6

2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2,3-dihydro-1H-naphtho[1,8-de][1,3,2]diazaborinine

1620061-24-6

2-(4-bromobut-1-en-2-yl)-2,3-dihydro-1H-naphtho[1,8-de][1,3,2]diazaborinine

Conditions
ConditionsYield
With (1,3-bis(2,6-di-iso-propylphenyl)-4,5-dihydroimidazol-2-ylidene) copper chloride; potassium tert-butylate In tetrahydrofuran; methanol at 50℃; for 3h; Schlenk technique; Inert atmosphere; regioselective reaction;99%
38771-21-0

4-bromobut-1-yne

tert-butyl 2,9-diazaspiro[5.5]undecane-9-carboxylate hydrochloride

tert-butyl 2-(but-3-ynyl)-2,9-diazaspiro[5.5]undecane-9-carboxylate

Conditions
ConditionsYield
Stage #1: tert-butyl 2,9-diazaspiro[5.5]undecane-9-carboxylate hydrochloride With caesium carbonate In acetonitrile at 20℃; for 0.166667h;
Stage #2: 4-bromobut-1-yne In acetonitrile for 18h; Reflux;
98%
With caesium carbonate In acetonitrile for 18h; Reflux;98%
With caesium carbonate In acetonitrile at 60℃;72%
With caesium carbonate In acetonitrile Reflux;13.6 g
38771-21-0

4-bromobut-1-yne

3,5-bis(pentafluorosulfanyl)phenyl azide

1-(3,5-bis(pentafluorosulfanyl)phenyl)-4-(2-bromoethyl)-1H-1,2,3-triazole

Conditions
ConditionsYield
With copper(ll) sulfate pentahydrate; sodium L-ascorbate; benzoic acid In water; tert-butyl alcohol at 20℃; for 0.333333h; Inert atmosphere;98%
38771-21-0

4-bromobut-1-yne

159979-96-1

4-fluorobenzyl azide

1251392-43-4

C11H11BrFN3

Conditions
ConditionsYield
With copper(II) loaded mesoporous SBA-15 In dichloromethane at 20℃; Huisgen Cycloaddition; regioselective reaction;98%
38771-21-0

4-bromobut-1-yne

(2-methylallyl)zinc bromide*LiCl

807329-90-4

(E)-6-chloro-1-iodo-hex-1-ene

(E)-1-(6-chlorohex-1-en-1-yl)-2-(2-methylallyl)cyclobut-1-ene

Conditions
ConditionsYield
Stage #1: 4-bromobut-1-yne With n-butyllithium In tetrahydrofuran at -78 - -30℃; for 0.333333h; Inert atmosphere;
Stage #2: (2-methylallyl)zinc bromide*LiCl In tetrahydrofuran at -30 - 20℃; for 1h; Inert atmosphere;
Stage #3: (E)-6-chloro-1-iodo-hex-1-ene With trifuran-2-yl-phosphane; bis(dibenzylideneacetone)-palladium(0) In tetrahydrofuran at 20℃; for 1h; Inert atmosphere;
98%
38771-21-0

4-bromobut-1-yne

70978-37-9

1-(azidomethyl)-4-methoxybenzene

1431946-51-8

1-methoxybenzyl-5-vinyl-(1H)-1,2,3-triazole

Conditions
ConditionsYield
Stage #1: 4-bromobut-1-yne; 1-(azidomethyl)-4-methoxybenzene With pentamethylcyclopentadienyl bis(triphenylphosphine)ruthenium(II) chloride In 1,4-dioxane at 60℃; for 12h; Inert atmosphere; Green chemistry;
Stage #2: With sodium hydroxide In 1,4-dioxane; ethanol; water at 45℃; for 8h; Reagent/catalyst; Inert atmosphere; Green chemistry;
97%
38771-21-0

4-bromobut-1-yne

766-05-2

cyclohexane carbonitrile

1-(but-3-yn-1-yl)cyclohexane-1-carbonitrile

Conditions
ConditionsYield
Stage #1: cyclohexane carbonitrile With lithium diisopropyl amide In tetrahydrofuran; hexane at -78℃; for 0.5h; Inert atmosphere;
Stage #2: 4-bromobut-1-yne In tetrahydrofuran; hexane at -78 - 24℃; for 14h; Inert atmosphere;
97%
  • Display:default sort

    New supplier

  • 4-Bromo-1-butyne

  • Casno:

    38771-21-0

    4-Bromo-1-butyne

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 3.0-3.0/Kilogram

    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

    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

  • Large Stock 99.0% 4-Bromo-1-butyne 38771-21-0 Producer

  • Casno:

    38771-21-0

    Large Stock 99.0% 4-Bromo-1-butyne 38771-21-0 Producer

    Min.Order: 1 Gram

    FOB Price:  USD $ 0.1-0.1/Gram

    1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s

    Xi'an Xszo Chem Co. Ltd is a wholly-owned subsidiary of the SZO Chem Group. SZO Group is composed of Xi'an Xszo Chem Co. Ltd & Shaanxi SZO Tech Co., Ltd. SZO industry Group have mo

  •  Xi'an Xszo Chem Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Manufacturers

    Tel:+86-029-88698540

    Address:No.16,Jingqin Rd. JingWei Industrial park,Shaanxi,China,710200

       Inquiry Now

  • 4-BroMo-1-butyne

  • Casno:

    38771-21-0

    4-BroMo-1-butyne

    Min.Order: 1 Gram

    FOB Price:  USD $ 0.0-0.0/Gram

    high quality Appearance:White or off-white Solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai

    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

       Inquiry Now

  • 4-Bromo-1-butyne

  • Casno:

    38771-21-0

    4-Bromo-1-butyne

    Min.Order: 10 Milligram

    FOB Price:  USD $ 0.0-0.0/Milligram

    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

  • 4-Bromo-1-butyne

  • Casno:

    38771-21-0

    4-Bromo-1-butyne

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    Chemwill Asia co.,Ltd is one of the leading manufacturer in CHINA.Our main production base is located in Xuzhou industry park. We produce a wide range of organics including Active pharmaceutical ingredients(APIs), Veterinary, Indole derivatives, Aro

    Our main production base is located in Xuzhou industry park. We produce a wide range of organics including Fine chemicals, Active pharmaceutical ingredients(APIs), Veterinary, In

  •  Chemwill Asia Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Manufacturers

    Tel:021-51086038

    Address:High-Tech Industrial park,Chemical Economical Development Zone,Xuzhou, Jiangsu-Province, P.R.China

       Inquiry Now

  • Manufacturer supply CAS 38771-21-0 with best quality

  • Casno:

    38771-21-0

    Manufacturer supply CAS 38771-21-0 with best quality

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 139.0-210.0/Kilogram

    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

  • BLOOM TECH Advanced API/Technology support 4-BROMO-1-BUTYNE CAS 38771-21-0

  • Casno:

    38771-21-0

    MSDS/COA Download

    BLOOM TECH Advanced API/Technology support 4-BROMO-1-BUTYNE CAS 38771-21-0

    Min.Order: 1 Gram

    FOB Price:  USD $ 0.0-0.0/Gram

    Inquiry guide 1.Please send the quantity(Weight) to us, we will arrange our sales to provide the one-for-one service for you. 2.Then we will provide the professional quotation list for you, it will be including all the factors in who

    WHO WE ARE 1.We Focus on the technology of Organic Synthesis since 2008. 2.API/Pharmaceutical intermediate/Fine chemical/New material/Extraction etc. 3.Chemical reagent: Over 300,0

  •  Shaanxi BLOOM TECH Co.,Ltd

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-29-86470566

    Address:Block A of Central Mansion, No.113 of Weiyang Rd, ETDZ, Xi'an, Shaanxi 710016, China

       Inquiry Now

  • 1-Butyne, 4-bromo-(6CI,9CI) 38771-21-0

  • Casno:

    38771-21-0

    1-Butyne, 4-bromo-(6CI,9CI) 38771-21-0

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 0.0-0.0/Kilogram

    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

    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

  • High Purity 4-Bromo-1-butyne Cas No: 38771-21-0

  • Casno:

    38771-21-0

    MSDS/COA Download

    High Purity 4-Bromo-1-butyne Cas No: 38771-21-0

    Min.Order: 10 Gram

    FOB Price:  USD $ 1.0-3.0/Gram

    Our Service: 1. Best quality in your requirement 2. Competitive price in china market 3. Mature technical support 4. Professional logistic support 5 . Full experience of large numberscontainers loading in chinese sea port 6 .Fast

    Wuhan Monad Medicine Tech Co.,LTD is a research and development, production, sales in one high-tech company, own about 100 kinds of products, can provide about more than 30000 kind

  •  Wuhan Monad Medicine Tech Co.,LTD

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+8613397160123

    Address:13th Floor, Tower B, Century Plaza, Zhongnan Road, Wuchang District, Wuhan, China.

       Inquiry Now

  • 1-Butyne, 4-bromo-(6CI,9CI)

  • Casno:

    38771-21-0

    1-Butyne, 4-bromo-(6CI,9CI)

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 0.0-0.0/Kilogram

    Hello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai

    Shandong Hanjiang Chemical Co., Ltd. is located in Qilu Petrochemical Industrial Park, Zibo City, Shandong Province, involving pesticide, medicine, chemical industry, coating, dy

  •  Shandong Hanjiang Chemical Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:18369939125

    Address:95A, Xingyuan East Road, Zhangdian District

       Inquiry Now

  • Lower Price/4-Bromo-1-butyne

  • Casno:

    38771-21-0

    Lower Price/4-Bromo-1-butyne

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 0.0-0.0/Kilogram

    Career Henan Chemical Co. is one of China's leading providers of integrated fine chemical services including offering, research and development, Custom manufacturing business, as well as other Value-added customer services, for diversified ran

    Henan CoreyChem Co., Ltd, based on the original Zhengzhou Cote Chemical Research Institute, be brave in absorbing highly educated talents & overseas returnees; actively responded t

  •  Career Henan Chemical Co

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-371-86658258

    Address:Building 3 of Innovation Park, East District of the National University Science Park

       Inquiry Now

  • 4-Bromo-1-butyne

  • Casno:

    38771-21-0

    4-Bromo-1-butyne

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 100.0-100.0/Kilogram

    HangYu Chemical 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. HangYu Chemical consis

    Zibo HangYu Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals

  •  Zibo Hangyu Import&Export Co., Ltd

    China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:86-15988566987

    Address:Room1701, Tianxing Building,Licheng district, jinan, Shandong, China

       Inquiry Now

  • 4-BROMO-1-BUTYNE

  • Casno:

    38771-21-0

    4-BROMO-1-BUTYNE

    Min.Order: 1 Gram

    FOB Price:  USD $ 0.0-0.0/Gram

    4-BROMO-1-BUTYNE Basic information Product Name: 4-BROMO-1-BUTYNE Synonyms: 4-BROMO-1-BUTYNE, 98%4-BROMO-1-BUTYNE, 98%4-BROMO-1-BUTYNE, 98%4-BROMO-1-BUTYNE, 98%;4-BROMO-1-BUTYNE;4-Bromo-1-butyne,1-Bromo-3-butyne;1-Bromo-3-butyne;3-Butynyl Brom

    SHANGHAI MINSTAR CHEMICAL CO., LTD. is a leading, experienced, professional supplier of API & intermediates, plant extract, food additive, fine chemicals and industry chemicals, et

  •  Shanghai Minstar Chemical Co., Ltd

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:0086-21-18019205509

    Address:BUILDING 8, NO.1098, CHUANSHA ROAD, SHANGHAI, CHINA

       Inquiry Now

  • 4-BROMO-1-BUTYNE

  • Casno:

    38771-21-0

    4-BROMO-1-BUTYNE

    Min.Order: 50 Gram

    FOB Price:  USD $ 0.0-0.0/Gram

    Wuhan Sun-shine Bio-technology Corporation Limited is specializing in the anticancer, antitumor,heart head blood-vessel,pharmaceutical intermediates,fine Chemicals production and customization..Company has strong ability of research and development

    Wuhan Sun-shine Bio-technology Corporation Limited (Shanghai Sun-shine Chemical Technology Corporation Limited) is a high-tech enterprise engaged inR&D and sales of related compoun

  •  Wuhan Sun-shine Bio-technology Corporation Limited

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-27-65522452

    Address:No. 388 Gaoxin Road(No. 2), East Lake Hi-tech Development Zone, Wuhan, Hubei Province, PRC

       Inquiry Now

  • 4-bromo 1-Butene

  • Casno:

    38771-21-0

    4-bromo 1-Butene

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    1, High quality with competitive price:2, Fast and safe delivery3.Excellent pre-sales and after-sales service4. Well-trained and professional technologist and sales with rich experience in the field for 5-1371 yearsAppearance:see detailed specificati

    Hangzhou Clap Technology Co., Ltd is a leading manufacturer and supplier of API, Pharma intermediates, organic and inorganic compounds, rare earth, pesticide, raw drugs, fine chemi

  •  HANGZHOU CLAP TECHNOLOGY CO,.LTD

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:86-571-56972507

    Address:Room 4198,Floor 4,No.4,ShanXian Road XiaCheng District,HangZhou city,ZheJiang province,China

       Inquiry Now

  • 1-Butyne,4-bromo-(6CI,9CI)

  • Casno:

    38771-21-0

    1-Butyne,4-bromo-(6CI,9CI)

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    Triumph has the complete production of G- KG - MT service chain,we can make the new technology into productivity quickly in the research and development of new products. Main Business Custom Synthesis:

    Triumph International Development Limilted is engaged in the API, pharmaceutical intermediates research and developmen.Adhering to the "customer first" business philosophy,we suppl

  •  Triumph International Development Limilted

    China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-536-7971999

    Address:Yinhai Road,Shouguang

       Inquiry Now

  • 1-Butyne,4-bromo-(6CI,9CI)

  • Casno:

    38771-21-0

    1-Butyne,4-bromo-(6CI,9CI)

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    1, High quality with competitive price:2, Fast and safe delivery3.Excellent pre-sales and after-sales service4. Well-trained and professional technologist and sales with rich experience in the field for 5-10 yearsAppearance:see detailed specification

    Hebei Mojin Biotechnology Co., Ltd, Our company is a professional in carbomer, Dibenzylamine,meglumine,lead acetate and other chemical raw materials and chemical reagents research

  •  Hebei Mojin Biotechnology Co.,Ltd

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:13231137666

    Address:room 1401,A building,Enjoy city,shijiazhuang city,hebei province,China

       Inquiry Now

  • 4-Bromo-1-butyne

  • Casno:

    38771-21-0

    4-Bromo-1-butyne

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    4-Bromo-1-butyneAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air

    Greenutra Resource is committed to the natural ingredients, formulation and application in the field of R&D, production and sales as the “one-step” natural product solution provide

  •  Greenutra Resource Inc

    China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:0086-411-39553357

    Address:No. 7-1-1802, Huizhi Garden,Ocean Square,Dalian, 116033, China

       Inquiry Now

  • 4-Bromo-1-butyne

  • Casno:

    38771-21-0

    4-Bromo-1-butyne

    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

  • 1-Butyne, 4-bromo-(6CI,9CI)

  • Casno:

    38771-21-0

    1-Butyne, 4-bromo-(6CI,9CI)

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    1.Our services:A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.

    Our company engages in Electronic chemicals such as OLED,Photoresist chemical,Electrolyte additive and Intermediate Pharmaceutical production; development of noble metal catalysts,

  •  Henan Tianfu Chemical Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:86-371-55170693/55170694

    Address:Zhengzhou International Trade New Territory,Jinshui District,Zhengzhou ,China

       Inquiry Now

  • 4-Bromo-1-butyne

  • Casno:

    38771-21-0

    4-Bromo-1-butyne

    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:Pale yellow liquid Storage:Store in a cool place. Keep container tightly closed in a dry and well-ventilated

    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

       Inquiry Now

  • 4-Bromo-1-butyne

  • Casno:

    38771-21-0

    4-Bromo-1-butyne

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    Shanghai, Run-Biotech Co., Ltd is a leading domestic pharmaceutical, biopharmaceutical, and health care products R & D outsourcing services company. As an innovation-driven and customer-focused company, Run Biotech provides a broad and integrated por

    Dine products include organic reagents, inorganic reagents and biochemical reagents, including pharmaceutical intermediates, bulk drugs, catalysts, high purity solvents, specialty

  •  Shanghai Run-Biotech Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-21-57171705 / 57171706

    Address:No.787, Kangqiao Road, Pudong New District, Shanghai, China

       Inquiry Now

  • 4-BROMO-1-BUTYNE

  • Casno:

    38771-21-0

    4-BROMO-1-BUTYNE

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    FINETECH INDUSTRY LIMITED is a LONDON based CRO company providing drug discovery & development services to worldwide clients. FINETECH INDUSTRY LIMITED supplies the 4-BROMO-1-BUTYNE, CAS:38771-21-0 with the most competitive price and the best quality

    Finetech Industry Limited is a company in England,which specializing in developing, manufacturing and marketing fine organic compounds and intermediates for the fine chemical and p

  •  Finetech Industry Limited

    China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:86-27-87465837

    Address:wuhan

       Inquiry Now

  • CAS NO.:38771-21-0

  • Casno:

    38771-21-0

    CAS NO.:38771-21-0

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    factory supply, best price and top qualityAppearance:white powder Storage:Room temperature Package:bag Application:Pharmaceutical intermediates Transportation:By Sea/Air/DHL Port:China main port

    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

  • 1-Butyne, 4-bromo-(6CI,9CI)

  • Casno:

    38771-21-0

    1-Butyne, 4-bromo-(6CI,9CI)

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    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

    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

  • 4-bromobut-1-yne

  • Casno:

    38771-21-0

    4-bromobut-1-yne

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    4-bromobut-1-yne Application:4-bromobut-1-yne

    Hubei Xinrunde Chemical Co., Ltd. dedicated to the development, production and marketing of chemicals which is specialized in Organic compounds; Active Pharmaceutical Ingredient(s)

  •  Hubei XinRunde Chemical Co., Ltd

     China (Mainland)  |  Contact Details

    Business Type:Other

    Tel:+8618874586545

    Address:No.43, Xinandu Industrial Park, East and West Lake District, Wuhan, Hubei, China

       Inquiry Now

  • 4-Bromo-1-butyne

  • Casno:

    38771-21-0

    4-Bromo-1-butyne

    Min.Order: 0 Metric Ton

    FOB Price:  USD $ 0.0-0.0/Metric Ton

    high purity Application:chemical

    Hangzhou Jinlan Pharm-Drugs Technology Co.,Ltd is located in Hangzhou, Zhejiang Province. Neighboring Ningbo port, Shanghai port, Hangzhou Xiaoshan Int’l Airport and Shanghai Pudon

  •  Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd

     China (Mainland)  |  Contact Details

    Business Type:Other

    Tel:+86-571-85829053

    Address:Rm A606, Fuyi Center, jianqiao street, Jianggan Area

       Inquiry Now

  • 4-Bromo-1-butyne

  • Casno:

    38771-21-0

    4-Bromo-1-butyne

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    We are committed to providing our customers with the best products and services at the most competitive prices.Appearance:white to yellow crystal powder Storage:Room temperature with sealed well Package:according to the clients requirement Applicatio

    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

  • 4-bromobutyne

  • Casno:

    38771-21-0

    4-bromobutyne

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    Hangzhou Keying Chem Co., Ltd. Is a comprehensive enterprise, dedicated to the development, production and marketing of chemicals. As a technology innovative and service professional enterprise, Our company mainly engages in global pharmaceutical, ch

    Hangzhou Keying Chem Co., Ltd. Is a comprehensive enterprise, dedicated to the development, production and marketing of chemicals. As a technology innovative and service profession

  •  Hangzhou Keyingchem Co.,Ltd

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-571-85378921

    Address:Jintong international Building, No.113,Huayuangang Street, Gong shu District, Hangzhou,Zhejiang, China.

       Inquiry Now

  • 4-Bromo-1-butyne

  • Casno:

    38771-21-0

    4-Bromo-1-butyne

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    4-Bromo-1-butyneAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

    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

  • 4-Bromo-1-butyne

  • Casno:

    38771-21-0

    4-Bromo-1-butyne

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    4-Bromo-1-butyneAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air

    Our company( GZ HONCH CHEMICAL TECHNOLOGY CO.,LTD) was founded in March 27, 2007.Our company mainly engaged in chemical products ,our products TOP purity with goodquality and o

  •  GZ HONESTCHEM CO., LTD

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+8615013270415

    Address:NO.53,YONGTAI ROAD BAIYU District Guangzhou

       Inquiry Now

  • 4-bromobutyne

  • Casno:

    38771-21-0

    4-bromobutyne

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    Hangzhou Keying Chem Co., Ltd. Is a comprehensive enterprise, dedicated to the development, production and marketing of chemicals. As a technology innovative and service professional enterprise, Our company mainly engages in global pharmaceutical, ch

    Hangzhou Fenjunchem Co.,Ltd dedicated to the development, production and marketing of chemicals which is specialized in Organic compounds; Active Pharmaceutical Ingredient(s); Nutr

  •  Hangzhou Fenjun Chemical Co Ltd.

    China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-0571-56263321

    Address:hangzhou

       Inquiry Now

  • 1-Butyne, 4-bromo-

  • Casno:

    38771-21-0

    1-Butyne, 4-bromo-

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    38771-21-0 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

  • 38771-21-0

  • Casno:

    38771-21-0

    38771-21-0

    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

    Hebei Bester Biological Technology Co., Ltd. is a modern advanced enterprise specializing in production and exportation of APIs, Pharmaceutical intermediates, peptides, plant extra

  •  Hebei Bester Biological Technology Co. LTD

    China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+8618633020931

    Address:No.114,Zhonghua South Street,Qiaoxi District

       Inquiry Now

  • 4-bromobut-1-yne

  • Casno:

    38771-21-0

    4-bromobut-1-yne

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    4-bromobut-1-yneAppearance:ask Storage:Keep in dry and cool condition Package:foil aluminium bag/vacuum packing Application:intermediates Transportation:By express (Door to door) such as FEDEX, DHL, EMS for small amount. By air(airport to airport) or

    Hunan Runhui Chem Co., Ltd. is a comprehensive Fine chemicals and Pharmaceuticals Intermediates supplier in China , Established in Changsha City of Hunan province registered capit

  •  Hunan Longxianng Runhui Trading Co.,Ltd

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:86-731-85570686

    Address:29 Floor,Changsheng Upper Strata,Furong District,China

       Inquiry Now

  • 4-bromobut-1-yne

  • Casno:

    38771-21-0

    4-bromobut-1-yne

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai

    We are a team of industry experts, dedicated to delivering the best chemical solutions from quality suppliers across China. Putting our customers first, we take a holistic approach

  •  Chemlyte Solutions

    China (Mainland)  |  Contact Details

    Business Type:Other

    Tel:+86-189 8945 5137

    Address:Jian Qiao Community, 789 Shenhua Road, Xihu District, Hangzhou, China, 310000

       Inquiry Now

  • 4-BROMO-1-BUTYNE

  • Casno:

    38771-21-0

    4-BROMO-1-BUTYNE

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    bulk?production Application:Pharmaceutical intermediates

    Introduction Chemsigma International Co.,Ltd. is a chemical manufacturer, specialize in custom synthesis and organic chemical manufacturing for overseas customers, in the field

  •  Chemsigma International Co.,Ltd.

     China (Mainland)  |  Contact Details

    Business Type:

    Tel:86-025-58748668

    Address:Rm.705, 15th Building,Rd.Xinke II

       Inquiry Now

  • 4-Bromo-1-butyne

  • Casno:

    38771-21-0

    4-Bromo-1-butyne

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    Best Seller, High Quality, Competitive Price, Fast Delivery, Quick ResponseAppearance:powder, or liquid Storage:Stored in room temperature, ventilated place Package:Bottle, barrel, cargo, container, etc. Application:Pharmaceuticals, intermediates, AP

  •  LEAP CHEM Co., Ltd.

    China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:0571-87317139

    Address:hangzhou

       Inquiry Now

Please post your buying leads,so that our qualified suppliers will soon contact you!
*Required Fields

Chemistry

Molecule structure of 4-Bromo-1-butyne (CAS NO.38771-21-0):

Systematic Name: 4-Bromobut-1-yne
Molecular Formula: C4H5Br
Molecular Weight 132.99 g/mol 
CAS Registry Number: 38771-21-0 
Index of Refraction: 1.483
Molar Refractivity: 26.14 cm3
Molar Volume: 91.509 cm3
Polarizability: 10.363×10-24 cm3
Surface Tension: 34.904 dyne/cm
Density: 1.453 g/cm3 
Storage temp.: Refrigerator
Flash Point: 32.258 °C
Enthalpy of Vaporization: 34.18 kJ/mol
Boiling Point: 118.322 °C at 760 mmHg
Vapour Pressure: 20.004 mmHg at 25 °C
SMILES: BrCCC#C
InChI: InChI=1/C4H5Br/c1-2-3-4-5/h1H,3-4H2
InChIKey: XLYOGWXIKVUXCL-UHFFFAOYAL
Std. InChI: InChI=1S/C4H5Br/c1-2-3-4-5/h1H,3-4H2
Std. InChIKey: XLYOGWXIKVUXCL-UHFFFAOYSA-N
Product Categories of 4-Bromo-1-butyne (CAS NO.38771-21-0): Acetylenes; Functionalized Acetylenes

Safety Profile

Hazard Codes: ToxicT
Risk Statements: 10-25-43 
R10:Flammable. 
R25 :Toxic if swallowed. 
R43:May cause sensitization by skin contact.
Safety Statements: 36/37-45
S36/37:Wear suitable protective clothing and gloves. 
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)

Specification

 4-Bromo-1-butyne (CAS NO.38771-21-0) is also named as 1-Butyne, 4-bromo-(6CI,9CI) ; 1-Bromo-3-butyne ; 3-Butynyl Bromide .