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159857-79-1

Basic Information
CAS No.: 159857-79-1
Name: Val-cit-PAB-OH
Molecular Structure:
Molecular Structure of 159857-79-1 (Val-cit-PAB-OH)
Formula: C18H29N5O4
Molecular Weight: 379.459
Synonyms: Val-cit-PAB-OH;L-Valyl-N5-(aminocarbonyl)-N-[4-(hydroxymethyl)phenyl]-L-ornithinamide;(S)-2-((R)-2-amino-3-methylbutanamido)-N-(4-(hydroxymethyl)phenyl)-5-ureidopentanamide
EINECS: -0
Density: 1.243±0.06 g/cm3(Predicted)
Melting Point: 168 °C(dec.)
Boiling Point: 715.0±60.0 °C(Predicted)
PSA: 159.57000
LogP: 2.28940
Synthetic route
159858-22-7

(9H-fluorenyl)methyl ((S)-1-(((S)-1-(((4-(hydroxymethyl)phenyl)amino)-1-oxo-5-ureidovalerylamido-2-yl)amino))-3-methylbutyramido-2-yl)-carbamate

159857-79-1

(2S)-2-[[(2S)-2-amino-3-methylbutanoyl]amino]-N-[4-(hydroxymethyl)phenyl]-5-ureidopentanamide

Conditions
ConditionsYield
With diethylamine In N,N-dimethyl-formamide for 24h;100%
With diethylamine In N,N-dimethyl-formamide for 2h;96%
With diethylamine In N,N-dimethyl-formamide for 2h;96%
870487-04-0

(9H-fluoren-9-yl)methyl (S)-(1-((4-(hydroxymethyl)phenyl)amino)-1-oxo-5-ureidopentan-2-yl)carbamate

86060-87-9

Fmoc-Val-OPfp

159857-79-1

(2S)-2-[[(2S)-2-amino-3-methylbutanoyl]amino]-N-[4-(hydroxymethyl)phenyl]-5-ureidopentanamide

Conditions
ConditionsYield
Stage #1: (S)-(9H-fluoren-9-yl)methyl (1-((4-(hydroxymethyl)phenyl)amino)-1-oxo-5-ureidopentan-2-yl)carbamate With piperidine In N,N-dimethyl-formamide at 23℃; for 3h;
Stage #2: Fmoc-Val-OPfp With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 23℃; for 24h;
Stage #3: With piperidine In N,N-dimethyl-formamide at 23℃; for 1h;
93%
68858-20-8

Fmoc-Val-OH

159857-79-1

(2S)-2-[[(2S)-2-amino-3-methylbutanoyl]amino]-N-[4-(hydroxymethyl)phenyl]-5-ureidopentanamide

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / N,N-dimethyl acetamide
2: sodium hydrogencarbonate / water; tetrahydrofuran
3: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / N,N-dimethyl acetamide
4: diethylamine / 1-methyl-pyrrolidin-2-one
View Scheme
Multi-step reaction with 3 steps
1.1: dicyclohexyl-carbodiimide; 1-hydroxy-pyrrolidine-2,5-dione / tetrahydrofuran / 16 h / 20 °C
1.2: 16 h / 20 °C
2.1: N-ethoxycarbonyl-2-ethoxy-1,2-dihydroquinoline / dichloromethane; methanol / 36 h / 20 °C
3.1: piperidine / N,N-dimethyl-formamide / 2 h / 20 °C
View Scheme
Multi-step reaction with 4 steps
1: dicyclohexyl-carbodiimide / acetonitrile; tetrahydrofuran / 24 h / 0 - 20 °C
2: sodium hydrogencarbonate / tetrahydrofuran; 1,2-dimethoxyethane; water / 24 h / 20 °C
3: N-ethoxycarbonyl-2-ethoxy-1,2-dihydroquinoline / dichloromethane; methanol / 48 h / 20 °C / Darkness
4: diethylamine / 24 h / 20 °C
View Scheme
130878-68-1

2,5-dioxopyrrolidin-1-yl-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-valinate

159857-79-1

(2S)-2-[[(2S)-2-amino-3-methylbutanoyl]amino]-N-[4-(hydroxymethyl)phenyl]-5-ureidopentanamide

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: sodium hydrogencarbonate / water; tetrahydrofuran
2: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / N,N-dimethyl acetamide
3: diethylamine / 1-methyl-pyrrolidin-2-one
View Scheme
Multi-step reaction with 2 steps
1: N,N-dimethyl-formamide / 3 h / 20 °C
2: piperidine / N,N-dimethyl-formamide / 1 h / 20 °C
View Scheme
Multi-step reaction with 2 steps
1: N,N-dimethyl-formamide / 16 h / 20 °C / Inert atmosphere
2: diethylamine / 1-methyl-pyrrolidin-2-one / 16 h / 20 °C / Inert atmosphere
View Scheme
159858-21-6

(S)-2-((S)-2-((((9H-fluoren-9-yl)-methoxy)carbonyl)amino)-3-methylbutanamido)-5-ureidopentanoic acid

159857-79-1

(2S)-2-[[(2S)-2-amino-3-methylbutanoyl]amino]-N-[4-(hydroxymethyl)phenyl]-5-ureidopentanamide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / N,N-dimethyl acetamide
2: diethylamine / 1-methyl-pyrrolidin-2-one
View Scheme
Multi-step reaction with 2 steps
1: N-ethoxycarbonyl-2-ethoxy-1,2-dihydroquinoline / dichloromethane; methanol / 36 h / 20 °C / Darkness; Inert atmosphere
2: diethylamine / 1-methyl-pyrrolidin-2-one / 16 h / 20 °C / Inert atmosphere
View Scheme
Multi-step reaction with 2 steps
1: N-ethoxycarbonyl-2-ethoxy-1,2-dihydroquinoline / dichloromethane; methanol / 36 h / 20 °C
2: piperidine / N,N-dimethyl-formamide / 2 h / 20 °C
View Scheme
623-04-1

4-aminobenzenemethanol

159857-79-1

(2S)-2-[[(2S)-2-amino-3-methylbutanoyl]amino]-N-[4-(hydroxymethyl)phenyl]-5-ureidopentanamide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / N,N-dimethyl acetamide
2: diethylamine / 1-methyl-pyrrolidin-2-one
View Scheme
Multi-step reaction with 5 steps
1.1: N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate / dichloromethane / 16 h / 20 °C
2.1: diethylamine / N,N-dimethyl-formamide / 1 h / 20 °C
3.1: N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate / N,N-dimethyl-formamide / 1 h / 20 °C
3.2: 16 h / 20 °C
4.1: dichloromethane / 3 h / 20 °C
5.1: sodium hydroxide; water / 1,4-dioxane / 3 h / 20 °C
View Scheme
Multi-step reaction with 4 steps
1.1: N-ethyl-N,N-diisopropylamine; HATU / dichloromethane / 16 h / 20 °C
2.1: diethylamine; N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 1 h / 20 °C
3.1: HATU / N,N-dimethyl-formamide / 1 h / 20 °C
3.2: 16 h / 20 °C
4.1: trifluoroacetic acid / dichloromethane / 3 h / 20 °C
4.2: 3 h / 20 °C
View Scheme
1037794-22-1

(S)-2-amino-N-(4-(hydroxymethyl)phenyl)-5-ureidopentanamide

159857-79-1

(2S)-2-[[(2S)-2-amino-3-methylbutanoyl]amino]-N-[4-(hydroxymethyl)phenyl]-5-ureidopentanamide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: N,N-dimethyl-formamide / 3 h / 20 °C
2: piperidine / N,N-dimethyl-formamide / 1 h / 20 °C
View Scheme
Multi-step reaction with 3 steps
1.1: N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate / N,N-dimethyl-formamide / 1 h / 20 °C
1.2: 16 h / 20 °C
2.1: dichloromethane / 3 h / 20 °C
3.1: sodium hydroxide; water / 1,4-dioxane / 3 h / 20 °C
View Scheme
Multi-step reaction with 2 steps
1.1: HATU / N,N-dimethyl-formamide / 1 h / 20 °C
1.2: 16 h / 20 °C
2.1: trifluoroacetic acid / dichloromethane / 3 h / 20 °C
2.2: 3 h / 20 °C
View Scheme
1037793-80-8

(S)-tert-butyl 1-(4-(hydroxymethyl)phenylamino)-1-oxo-5-ureidopentan-2-ylcarbamate

159857-79-1

(2S)-2-[[(2S)-2-amino-3-methylbutanoyl]amino]-N-[4-(hydroxymethyl)phenyl]-5-ureidopentanamide

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: hydrogenchloride / 1,4-dioxane / 2 h / 20 °C
2: N,N-dimethyl-formamide / 3 h / 20 °C
3: piperidine / N,N-dimethyl-formamide / 1 h / 20 °C
View Scheme
372-75-8

Citrulline

159857-79-1

(2S)-2-[[(2S)-2-amino-3-methylbutanoyl]amino]-N-[4-(hydroxymethyl)phenyl]-5-ureidopentanamide

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: potassium carbonate / water; 1,4-dioxane / 2 h / 0 - 20 °C
2: N-ethoxycarbonyl-2-ethoxy-1,2-dihydroquinoline / methanol; dichloromethane / 16 h / 20 °C / Inert atmosphere
3: piperidine / N,N-dimethyl-formamide / 1 h / 20 °C
4: N,N-dimethyl-formamide / 3 h / 20 °C
5: piperidine / N,N-dimethyl-formamide / 1 h / 20 °C
View Scheme
Multi-step reaction with 3 steps
1: sodium hydrogencarbonate / 1,2-dimethoxyethane; tetrahydrofuran / 16 h / 20 °C / Inert atmosphere
2: N-ethoxycarbonyl-2-ethoxy-1,2-dihydroquinoline / dichloromethane; methanol / 36 h / 20 °C / Darkness; Inert atmosphere
3: diethylamine / 1-methyl-pyrrolidin-2-one / 16 h / 20 °C / Inert atmosphere
View Scheme
Multi-step reaction with 5 steps
1: sodium hydrogencarbonate / 1,2-dimethoxyethane; water / 24 h / 20 °C / Inert atmosphere
2: HATU; N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 30 h / 20 °C / Darkness; Inert atmosphere
3: piperidine / N,N-dimethyl-formamide / 4 h / 20 °C / Inert atmosphere
4: N,N-dimethyl-formamide / 16 h / 20 °C / Inert atmosphere
5: diethylamine / 1-methyl-pyrrolidin-2-one / 16 h / 20 °C / Inert atmosphere
View Scheme

(S)-2-(((9H-fluoren-9-yl)methoxy)carbonylamino)-5-ureidopentanoic acid

159857-79-1

(2S)-2-[[(2S)-2-amino-3-methylbutanoyl]amino]-N-[4-(hydroxymethyl)phenyl]-5-ureidopentanamide

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: N-ethoxycarbonyl-2-ethoxy-1,2-dihydroquinoline / methanol; dichloromethane / 16 h / 20 °C / Inert atmosphere
2: piperidine / N,N-dimethyl-formamide / 1 h / 20 °C
3: N,N-dimethyl-formamide / 3 h / 20 °C
4: piperidine / N,N-dimethyl-formamide / 1 h / 20 °C
View Scheme
Multi-step reaction with 5 steps
1.1: N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate / dichloromethane / 16 h / 20 °C
2.1: diethylamine / N,N-dimethyl-formamide / 1 h / 20 °C
3.1: N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate / N,N-dimethyl-formamide / 1 h / 20 °C
3.2: 16 h / 20 °C
4.1: dichloromethane / 3 h / 20 °C
5.1: sodium hydroxide; water / 1,4-dioxane / 3 h / 20 °C
View Scheme
Multi-step reaction with 4 steps
1.1: N-ethyl-N,N-diisopropylamine; HATU / dichloromethane / 16 h / 20 °C
2.1: diethylamine; N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 1 h / 20 °C
3.1: HATU / N,N-dimethyl-formamide / 1 h / 20 °C
3.2: 16 h / 20 °C
4.1: trifluoroacetic acid / dichloromethane / 3 h / 20 °C
4.2: 3 h / 20 °C
View Scheme
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  • Val-cit-PAB-OH CAS No.159857-79-1

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    159857-79-1

    Val-cit-PAB-OH CAS No.159857-79-1

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    159857-79-1

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  • L-valyl-N5-(aminocarbonyl)-N-[4-(hydroxymethyl)phenyl]-L-Ornithinamide

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     China (Mainland)  |  Contact Details

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    VAL-CIT-PAB

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    HANGZHOU TIANYE CHEMICALS Co.LTD , Located in Eastern Science and Innovation Park Hangzhou . We are a high-tech enterprise specialized in technical research and development, produc

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     China (Mainland)  |  Contact Details

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  • L-valyl-N5-(aminocarbonyl)-N-[4-(hydroxymethyl)phenyl]-L-Ornithinamide

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    L-valyl-N5-(aminocarbonyl)-N-[4-(hydroxymethyl)phenyl]-L-Ornithinamide

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    L-valyl-N5-(aminocarbonyl)-N-[4-(hydroxymethyl)phenyl]-L-OrnithinamideAppearance:white powder Storage:Shading, sealed, dry place. Package:aluminous bag Application:API Transportation:By express (Door to door) such as FEDEX, DHL, EMS for small amount.

    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

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     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

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

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  • 159857-79-1

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    Shanghai Send Pharmaceutical Technology Co., Ltd(Send Pharm) is a high-tech company specializing in R&D and manufacturing of APIs and pharmaceutical intermediates, and also provi

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    China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

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  • Val-cit-PAB-OH

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    Val-cit-PAB-OH

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    good quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:5mg 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

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    China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-21-61845781

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

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    159857-79-1

    159857-79-1

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

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  • Val-cit-PAB-OH

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    Val-cit-PAB-OH

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    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

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     China (Mainland)  |  Contact Details

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    Val-cit-PAB-OH

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    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

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    China (Mainland)  |  Contact Details

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    Address:Waisha Road,Jiaojiang

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  • Val-cit-PAB-OH

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    Val-cit-PAB-OH

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    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

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     China (Mainland)  |  Contact Details

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    1. Quality: High purity, strict quality control, 10 years experience in chemical industry. 2. Price: Moderate price, more QTY more discount. 3. MOQ: Sample order is welcome to test quality. 4. Shipping time: In Stock, can be shipp

    Wuhan MoonZY Biological Technology Co.,Ltd (MoonzyBio)is located in Wuhan city,hubei province,China,we have a group of senior technical backbones, specialized in R & D and sales in

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     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:13545198479

    Address:203,Building 3, International Enterprise Center, No. 1 Guanshan 2nd Road, East Lake New Technology Development Zone,

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    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

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     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+862765522452

    Address:武汉市东湖高新区高新二路388号生物医药加速器16栋501

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    159857-79-1 CAS NO.159857-79-1

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    Price, service, company and transport advantage: 1. Best service, place of origin China, high quality, and reasonable price. 2. It's customers' right to choose the package (EMS, DHL, FEDEX, UPS). 3. It's customers' right

    Changchun Haofei Import and Export Trade Co. , Ltd is located in Changchun, Changchun, Jilin Province. We are a modern high-tech private enterprise specializing in the R & D, Produ

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     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+8615643102578

    Address:303 Room, Guanghui Park, Huanghe Road, Kuancheng District

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  • Val-cit-PAB-OH, in stock

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    159857-79-1

    Val-cit-PAB-OH, in stock

    Min.Order: 1 Gram

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    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

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     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-18013506594

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

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    159857-79-1

    (S)-2-((S)-2-amino-3-methylbutanamido)-N-(4-(hydroxymethyl)phenyl)-5-ureidopentanamide

    Min.Order: 1 Gram

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    The company is a high-tech enterprise providing comprehensive customer service for pharmaceutical companies at home and abroad in accordance with international standards. Our business includes research, development, process optimization and product

    Prime Molecular Co., Ltd. is an advanced chemical intermediates manufacture with ?two R&D centers and two production sites in China, all well-equipped with dedicated and profession

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    China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:0852-0755-61104662

    Address:Hong Kong

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  • Val-Cit-PAB

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    159857-79-1

    Val-Cit-PAB

    Min.Order: 1 Gram

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    Chengdu Pukang Biological Technology Co., Ltd. was established in 2008, located in the national Cross-strait science and technology industrial development park -- Chengdu Wenjiang District Strait Science and Technology Park, specializing in the long-

    Chengdu Pukang Biotechnology Co., Ltd. located in Chengdu Wenjiang Science and Technology Park. It focus on the research, develop and product non-natural amino acids and their deri

  • Chengdu Pukang Biotechnology Co., Ltd

     China (Mainland)  |  Contact Details

    Business Type:Other

    Tel:86-028-63976226

    Address:No. 868 Xiwang Road,Xinjin county,Chengdu city, China

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  • Val-cit-PAB-OH

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    Val-cit-PAB-OH

    Min.Order: 1 Kilogram

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    1, High quality with competitive price: 2, Fast and safe delivery 3.Excellent pre-sales and after-sales service 4. Well-trained and professional technologist and sales with rich experience in the field Appearance:see detailed specifications St

    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

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     China (Mainland)  |  Contact Details

    Business Type:Trading Company

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

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  • Casno:

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    Val-Cit-PAB/ supplier with competitive price in stock-Rechems

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    1.Custom synthetic service could be provided and COA/HPLC/HNMR is available. 2.Professional synthesis laboratory and production base. 3.Strong synthesis team and service team.4.Professional data management system.5.We provide the professional test da

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    China (Mainland)  |  Contact Details

    Business Type:Other

    Tel:+86-21-51623867

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