Products

Suppliers

Filter Gallery
390,192

Intermediate H

Products

Sorry! No matches were found.

Sodium Methyl Mercaptan 20% Multi-Industry Dmm CAS 5188-07-8 for Agricultural Intermediates

Sodium Methyl Mercaptan 20% Multi-Industry Dmm CAS 5188-07-8 for Agricultural Intermediates

US $ 0.35 / kg FOB
1,000 kg (MOQ)
More
Main Products: Dimethyl Disulfide, Sodium Methyl Mercaptide
Contact Supplier
Audited Supplier
Henan Junhe New Materials Technology Co., Ltd

Manufacturer/Factory & Trading Company

Henan, China Since 2025
Chat Now Send Inquiry
CAS 3734-33-6 Denatonium Benzoate Anhydrous Powder Bittering Agent Synthetic Raw Material Intermediate

CAS 3734-33-6 Denatonium Benzoate Anhydrous Powder Bittering Agent Synthetic Raw Material Intermediate

US $ 100-150 / kg FOB
1 kg (MOQ)
More
Shelf Life : 24 Months
Contact Supplier
Audited Supplier
Hebei Fengjia New Material Technology Co., Ltd.

Hebei, China Since 2025
Chat Now Send Inquiry
Shanghai Pemichem Lab Supply Raw Materials Pharmaceutical Intermediates Powder Loxo-292 CAS 2152628-33-4 API with 99% Pruity

Shanghai Pemichem Lab Supply Raw Materials Pharmaceutical Intermediates Powder Loxo-292 CAS 2152628-33-4 API with 99% Pruity

US $ 5-10 / g FOB
1 g (MOQ)
More
Main Products: API, Intermediate, Caraglitide, Abaloparatide, Semax, Selank, Sarolaner, Fluralaner, Afoxolaner
Contact Supplier
Audited Supplier
Shanghai Pemichem Biotechnology Co., Ltd.

Shanghai, China Since 2024
Chat Now Send Inquiry
Shanghai Pemichem Lab Supply Raw Materials Pharmaceutical Intermediates Powder N-Acetyl Semax CAS 2920938-90-3 API with 99% Pruity

Shanghai Pemichem Lab Supply Raw Materials Pharmaceutical Intermediates Powder N-Acetyl Semax CAS 2920938-90-3 API with 99% Pruity

US $ 5-10 / g FOB
1 g (MOQ)
More
Purity : >99%
Contact Supplier
Audited Supplier
Shanghai Pemichem Biotechnology Co., Ltd.

Shanghai, China Since 2024
Chat Now Send Inquiry
The First Low-Temperature 2PCA Liquid Crystal Material Intermediate

The First Low-Temperature 2PCA Liquid Crystal Material Intermediate

US $ 39,722-42,218 / Ton FOB
1 Ton (MOQ)
More
Main Products: 3-O-Ethyl-L-Ascorbic Acid, 4-(trans-4-n-Butylcyclohexyl) phenol, 4-(trans-4-n-Butylcyclohexyl) benzoic acid, 4-(trans-4-n-Pentylcyclohexyl) benzoic acid, Atovaquone
Contact Supplier
Audited Supplier
Shandong Eastern Dragon Trading Co., Ltd.

Trading Company

Shandong, China Since 2024
Chat Now Send Inquiry
ISO Certified Plant Extract Kavain 98% 500-64-1 3155-48-4 Natural Ingredient Intermediate

ISO Certified Plant Extract Kavain 98% 500-64-1 3155-48-4 Natural Ingredient Intermediate

US $ 100-693 / gram FOB
1 gram (MOQ)
More
Quality : Refined
Contact Supplier
Audited Supplier
Shanghai Tauto Biotech Co., Ltd.

Manufacturer/Factory & Trading Company

Shanghai, China Since 2021
Chat Now Send Inquiry
Paxlovid Intermediate CAS2628280-48-6 in Stock

Paxlovid Intermediate CAS2628280-48-6 in Stock

US $ 70 / gram FOB
100 gram (MOQ)
More
Main Products: Contrast Agent, Anti- HCV, Custom Chemicals, Organic Intermediate, API Intermediates, Pharmaceutical Intermediates, Pharmaceutical Machinery, Chemical Machinery, Water Purification System Equipment
Contact Supplier
Audited Supplier
Hangzhou Jinlan Pharm-Drugs Technology Co., Ltd.

Zhejiang, China Since 2015
Chat Now Send Inquiry
Shanghai Pemichem Lab Supply Raw Materials Pharmaceutical Intermediates Powder Paxlo Vid CAS 2628280-40-8 API with 99% Pruity

Shanghai Pemichem Lab Supply Raw Materials Pharmaceutical Intermediates Powder Paxlo Vid CAS 2628280-40-8 API with 99% Pruity

US $ 5-10 / g FOB
1 g (MOQ)
More
Powder : Yes
Contact Supplier
Audited Supplier
Shanghai Pemichem Biotechnology Co., Ltd.

Shanghai, China Since 2024
Chat Now Send Inquiry
Favipiravir Intermediate CAS 356783-28-3 Manufacturer and Supplier

Favipiravir Intermediate CAS 356783-28-3 Manufacturer and Supplier

US $ 1 / kg FOB
1 kg (MOQ)
More
Main Products: Contrast Agent, Anti- HCV, Custom Chemicals, Organic Intermediate, API Intermediates, Pharmaceutical Intermediates, Pharmaceutical Machinery, Chemical Machinery, Water Purification System Equipment
Contact Supplier
Audited Supplier
Hangzhou Jinlan Pharm-Drugs Technology Co., Ltd.

Zhejiang, China Since 2015
Chat Now Send Inquiry
New Technology High Satisfaction Leading Spot Supply Ribociclib Intermediate 5-Bromo-2, 4-Dichloropyrimidine

New Technology High Satisfaction Leading Spot Supply Ribociclib Intermediate 5-Bromo-2, 4-Dichloropyrimidine

US $ 20-30 / kg FOB
1,000 kg (MOQ)
More
Appearance : Liquid
Contact Supplier
Audited Supplier
Hangzhou Brown Bio&Pharm Co., Ltd.

Trading Company

Zhejiang, China Since 2022
Chat Now Send Inquiry
Top Quality CAS 598 -21-0 Bromoacetyl Bromide Organic Intermediate

Top Quality CAS 598 -21-0 Bromoacetyl Bromide Organic Intermediate

US $ 5-200 / kg FOB
1 kg (MOQ)
More
Main Products: Refined Naphthalene, Anthraquinone, Carbazole, Indole, Quinoline, 2-Methylquinoline, Fluorene, 2- Ethylnaphthalene, Acenaphthene, Indene
Contact Supplier
Audited Supplier
Jinan Realong chemical Co., Ltd.

Shandong, China Since 2023
Chat Now Send Inquiry
High Purity DMSO CAS 67-68-5 Dimethyl Sulfoxide Intermediates

High Purity DMSO CAS 67-68-5 Dimethyl Sulfoxide Intermediates

US $ 800 / Ton FOB
1 Ton (MOQ)
More
Type : Agrochemical Intermediates
Contact Supplier
Audited Supplier
Shandong Desenlai Chemical Co., Ltd

Shandong, China Since 2023
Chat Now Send Inquiry
Related Searches
Organic Intermediate Chemical Reagent Pharmaceutical Intermediate Chemical Auxiliary Amine Essential Oil, Balsam & Fine Chemicals
Allylic Carbocation Tertiary Carbocation Intermediate In Organic Chemistry Reaction Intermediate In Organic Chemistry 4 Sulpho Anthranilic Acid Carbanions In Organic Chemistry
Organic Intermediate Mtbe CAS1634-04-4

Organic Intermediate Mtbe CAS1634-04-4

US $ 1,000-1,100 / Ton FOB
12 Tons (MOQ)
More
Main Products: Dimethyl Sulfoxide, Polyacrylamide, Propylene Glycol, Isopropyl Alcoho, Ethanol
Contact Supplier
Audited Supplier
Dongying Yuchang Chemical Technology Co., Ltd.

Shandong, China Since 2024
Chat Now Send Inquiry
High Purity 99% Cyclen CAS 294-90-6 Pharm Intermediate with Best Price

High Purity 99% Cyclen CAS 294-90-6 Pharm Intermediate with Best Price

US $ 15-120 / kg FOB
1 kg (MOQ)
More
Appearance : Powder
Contact Supplier
Audited Supplier
Shandong Yifan Chemical Technology Co., Ltd.

Shandong, China Since 2021
Chat Now Send Inquiry
Organic Siloxane V3 / Trivinyltrimethylcyclotrisiloxane CAS 3901-77-7 Crosslinking Agent or Intermediate CAS 2554-06-5

Organic Siloxane V3 / Trivinyltrimethylcyclotrisiloxane CAS 3901-77-7 Crosslinking Agent or Intermediate CAS 2554-06-5

US $ 5-15 / kg FOB
200 kg (MOQ)
More
Main Products: Trichloroisocyanuric Acid, Calcium Hypochlorite, Ammonium Bicarbonate, Hydrogen Peroxide, Sodium Hydroxide, Acetic Acid, Oxalic Acid, Formic Acid, Citric Acid, Soda Ash, Trisodium Phosphate, Azodicarbonamide, Organic Silicone
Contact Supplier
Audited Supplier
Wuhan Ruisunny Chemical Co., Ltd.

Trading Company

Hubei, China Since 2023
Chat Now Send Inquiry
Intermediate Benzoyl Peroxide Paste Used for Atomic Ash Curing Agent

Intermediate Benzoyl Peroxide Paste Used for Atomic Ash Curing Agent

US $ 1-5 / kg FOB
1 kg (MOQ)
More
Quality : Industrial
Contact Supplier
Audited Supplier
Jiangsu Suze New Materials Co., Ltd.

Trading Company

Jiangsu, China Since 2025
Chat Now Send Inquiry
CAS No. 36635-61-7 Organic Intermediate P-Toluenesulfonylmethyl Isocyanide

CAS No. 36635-61-7 Organic Intermediate P-Toluenesulfonylmethyl Isocyanide

US $ 110-140 / kg FOB
500 kg (MOQ)
More
Main Products: Organic Pigment, Pigment Violet, Liquid Dyes, Direct Dyes, Color Paste for Paper Making, Sublimation Ink, Solvent Dyes, P-Toluenesulfonylmethyl Isocyanide, Pepper Seeds, Tomato Seeds
Contact Supplier
Audited Supplier
Jiangxi Morni Chemical Co., Ltd.

Trading Company

Jiangxi, China Since 2021
Chat Now Send Inquiry
4, 4'-Bis (diethylamino) Benzophenone for Photoinitiator for UV-Curing Reactions CAS 90-93-7 for Dye Intermediate

4, 4'-Bis (diethylamino) Benzophenone for Photoinitiator for UV-Curing Reactions CAS 90-93-7 for Dye Intermediate

US $ 12-22 / kg FOB
1 kg (MOQ)
More
Quality : Industrial
Contact Supplier
Audited Supplier
Jinan Future Chemical Co., Ltd.

Trading Company

Shandong, China Since 2022
Chat Now Send Inquiry
China Factory Sell Intermediate 1, 1', 1''-[Propylidynetris (oxy) ]Tributane 62042-45-9

China Factory Sell Intermediate 1, 1', 1''-[Propylidynetris (oxy) ]Tributane 62042-45-9

US $ 2.6 / kg FOB
200 kg (MOQ)
More
Main Products: Iodide, Bromide, Guar Gum, Fluoride, Plasticizer.
Contact Supplier
Audited Supplier
Jiangsu Xinsu New Materials Co., Ltd

Jiangsu, China Since 2025
Chat Now Send Inquiry
3-Aminocrotononitrile CAS 1118-61-2 as Pharma-ceutical Intermediate

3-Aminocrotononitrile CAS 1118-61-2 as Pharma-ceutical Intermediate

US $ 1 / kg FOB
1 kg (MOQ)
More
Appearance : Powder
Contact Supplier
Audited Supplier
Beijing Entrepreneur Science & Trading Co. Ltd.

Trading Company

Beijing, China Since 2024
Chat Now Send Inquiry
Related Videos
  • What is Sodium Methyl Mercaptan 20% Multi-Industry Dmm CAS 5188-07-8 for Agricultural Intermediates
    What is Sodium Methyl Mercaptan 20% Multi-Industry Dmm CAS 5188-07-8 for Agricultural Intermediates
    US $ 0.35 /kg
    1,000 kg (MOQ)
    Contact Supplier
  • What is CAS 3734-33-6 Denatonium Benzoate Anhydrous Powder Bittering Agent Synthetic Raw Material Intermediate
    What is CAS 3734-33-6 Denatonium Benzoate Anhydrous Powder Bittering Agent Synthetic Raw Material Intermediate
    US $ 100-150 /kg
    1 kg (MOQ)
    Contact Supplier
  • What is Shanghai Pemichem Lab Supply Raw Materials Pharmaceutical Intermediates Powder Loxo-292 CAS 2152628-33-4 API with 99% Pruity
    What is Shanghai Pemichem Lab Supply Raw Materials Pharmaceutical Intermediates Powder Loxo-292 CAS 2152628-33-4 API with 99% Pruity
    US $ 5-10 /g
    1 g (MOQ)
    Contact Supplier
  • What is Shanghai Pemichem Lab Supply Raw Materials Pharmaceutical Intermediates Powder N-Acetyl Semax CAS 2920938-90-3 API with 99% Pruity
    What is Shanghai Pemichem Lab Supply Raw Materials Pharmaceutical Intermediates Powder N-Acetyl Semax CAS 2920938-90-3 API with 99% Pruity
    US $ 5-10 /g
    1 g (MOQ)
    Contact Supplier
Alkenes Einecs 205-532-9 and Fragrance Intermediates Cyclopentene

Alkenes Einecs 205-532-9 and Fragrance Intermediates Cyclopentene

US $ 3.84-4.8 / kg FOB
1 kg (MOQ)
More
Main Products: Ethyl Acetate, Benzyl Alcohol, Cyclohexanone, Dimethyl Sulfoxide, Sec-Butyl Acetate, Isopropyl Acetate, Bisphenol a Liquid Epoxy Resin
Contact Supplier
Audited Supplier
Hunan Hua He Xing Chemical Trading Co., Ltd.

Hunan, China Since 2024
Chat Now Send Inquiry
Low Price with Good Quality Intermediate 2-Acrylamido-2-Methylpropanesulfonicacid-Acryl CAS#40623-75-4

Low Price with Good Quality Intermediate 2-Acrylamido-2-Methylpropanesulfonicacid-Acryl CAS#40623-75-4

US $ 500-1,200 / Ton FOB
1 Ton (MOQ)
More
Environmental Protection : Yes
Contact Supplier
Audited Supplier
Lonwin Industry Group Limited

Shanghai, China Since 2016
Chat Now Send Inquiry
Wet Strength Agent Intermediate Wsr-Intermediate for Making Wet Strength Agent

Wet Strength Agent Intermediate Wsr-Intermediate for Making Wet Strength Agent

US $ 710-760 / Ton FOB
1 Ton (MOQ)
More
Main Products: Paper Chemicals, AKD Wax, AKD Emulsion, Cationic Surface Sizing Agent, Cationic Rosin Size, Wet Strength Agent, Dry Strength Agent, Dadmac, Poly Dadmac, Cmit/Mit
Contact Supplier
Audited Supplier
Shandong Bluesun Chemicals Co., Ltd.

Shandong, China Since 2022
Chat Now Send Inquiry

Not exactly what you want?

Post Sourcing Request

About Intermediate H FAQ
  • QWhat advantages come with sourcing Organic Intermediate chemicals wholesale?

    The Intermediate H is an essential part of our Organic Intermediate offerings.Sourcing Organic Intermediate chemicals wholesale provides cost-efficiency, bulk discounts, and customized solutions. These options streamline production processes and guarantee a stable supply of high-quality materials. Working directly with leading manufacturers secures continuous support and swift order fulfillment.

  • QHow do I verify the credibility of a China supplier for Organic Intermediate chemicals?

    Enhance your Organic Intermediate setup with our premium Intermediate H.To ensure a credible supplier in China, verify their licensing, certifications, and client reviews. Request product samples for testing and evaluation. Partnering with a reputable supplier guarantees quality control and consistent supply of Organic Intermediate chemicals.

  • QWhat types of Organic Intermediate chemicals can I expect from suppliers?

    Our Intermediate H offers exceptional quality and style within the Organic Intermediate category.Suppliers offer a wide range of Organic Intermediate chemicals, including solvents, acids, and compounds used in intermediate chemical synthesis. These tailored products cater to diverse industry needs, ensuring efficiency and precision in production processes.

Intermediate Towerbox 110V on Center Piovt

Intermediate Towerbox 110V on Center Piovt

US $ 10,000 / Piece FOB
1 Piece (MOQ)
More
Application Field : Agriculture
Contact Supplier
Audited Supplier
Anhui Irritech Agriculture Equipment Corporation Limited

Manufacturer/Factory & Trading Company

Anhui, China Since 2016
Chat Now Send Inquiry
Hydride Polydimethyl Siloxane CAS 70900-21-9 Key Intermediate of The Block Copolymerization

Hydride Polydimethyl Siloxane CAS 70900-21-9 Key Intermediate of The Block Copolymerization

US $ 3.45-4.75 / kg FOB
200 kg (MOQ)
More
Main Products: Silicone Oil, Construction Silicone Sealant, Electronics Silicone Sealant
Contact Supplier
Audited Supplier
Jiangsu Cosil Advanced Material Co., Ltd.

Manufacturer/Factory

Jiangsu, China Since 2022
Chat Now Send Inquiry
Manufactory Supply High Quality Intermediates for Paint and Coating Driers 2-Ethylhexanoic Acid CAS 149-57-5

Manufactory Supply High Quality Intermediates for Paint and Coating Driers 2-Ethylhexanoic Acid CAS 149-57-5

US $ 2,112-2,394 / Ton FOB
5 Tons (MOQ)
More
Quality : Refined
Contact Supplier
Audited Supplier
Shandong WorldSun Biological Technology Co., Ltd.

Trading Company

Shandong, China Since 2022
Chat Now Send Inquiry
Organic Intermediate CAS No 1411975-60-4

Organic Intermediate CAS No 1411975-60-4

1 kg (MOQ)
More
Main Products: Amino Acids for Cell Culture Use, Protective Amino Acids for Polypeptide Synthesis, Intermediates & Raw Materials
Contact Supplier
Audited Supplier
Chengdu Baishixing Science and Technology Industry Co., Ltd

Sichuan, China Since 2010
Chat Now Send Inquiry
Avobenzone CAS 70356-09-1 Intermediates

Avobenzone CAS 70356-09-1 Intermediates

US $ 1-1,000 / Piece FOB
1 Piece (MOQ)
More
Status : Solid Catalyst
Contact Supplier
Audited Supplier
Tianjin Zhongxin Chemtech Co., Ltd.

Tianjin, China Since 2017
Chat Now Send Inquiry
Phthalic Anhydride 1, 2-Benzenedicarboxylic Anhydride Syntheses Material Intermediates

Phthalic Anhydride 1, 2-Benzenedicarboxylic Anhydride Syntheses Material Intermediates

US $ 800-850 / Ton FOB
1 Ton (MOQ)
More
Main Products: Sodium Formate, Potassium Formate, Calcium Formate, Phthalic Anhydride, Propylene Glycol
Contact Supplier
Audited Supplier
Shandong Chemic Chemical Co., Ltd.

Shandong, China Since 2024
Chat Now Send Inquiry
CAS 35202-54-1 Ivabradine Intermediates

CAS 35202-54-1 Ivabradine Intermediates

US $ 10 / kg FOB
1 kg (MOQ)
More
Content : Standard
Contact Supplier
Audited Supplier
Weifang Little Stone Co., Ltd

Shandong, China Since 2024
Chat Now Send Inquiry
Factory Direct Supply Sodium Bromide Oil Well Auxiliaries Medicinal Intermediates

Factory Direct Supply Sodium Bromide Oil Well Auxiliaries Medicinal Intermediates

US $ 9-12 / kg FOB
1,000 kg (MOQ)
More
Main Products: Bcdmh, Cmit/Mit, 2-Ethylanthraquinone, Bronopol, Dbnpa, Carbohydrazide, Dbne (2 2-Dibromo-2-Nitroethanol), 2-Eaq, Oit, Dcoit
Contact Supplier
Audited Supplier
Shandong Yubin Chemical Co., Ltd.

Shandong, China Since 2022
Chat Now Send Inquiry
Glycolic Acid 70% (technical grade) , Industrial Cleaning Agent, Descaling Remove Calcium Carbonate Scale, Electroplating Chemicals, Organic Intermediates

Glycolic Acid 70% (technical grade) , Industrial Cleaning Agent, Descaling Remove Calcium Carbonate Scale, Electroplating Chemicals, Organic Intermediates

1 kg (MOQ)
More
Environmental Protection : Yes
Contact Supplier
Audited Supplier
Bais Chemical Technology Co., Ltd.

Zhejiang, China Since 2022
Chat Now Send Inquiry
ISO Certified Fraxini Extract 98% Fraxetin 574-84-5 Natural Ingredient Intermediate

ISO Certified Fraxini Extract 98% Fraxetin 574-84-5 Natural Ingredient Intermediate

US $ 247 / gram FOB
1 gram (MOQ)
More
Main Products: DL-Kavain, Huperzine A, Huperzine B, Bakuchiol, Harpagoside, Nobiletin, Hispidulin, Capsaicin, Dihydrocapsaicin, Theaflavin
Contact Supplier
Audited Supplier
Shanghai Tauto Biotech Co., Ltd.

Manufacturer/Factory & Trading Company

Shanghai, China Since 2021
Chat Now Send Inquiry
1-Aminoanthraquinone CAS: 82-45-1 Organic Dye Dyestuff Intermediate

1-Aminoanthraquinone CAS: 82-45-1 Organic Dye Dyestuff Intermediate

US $ 3-3.5 / kg FOB
25 kg (MOQ)
More
Quality : Industrial
Contact Supplier
Audited Supplier
ORIEN CHEMICAL CO., LTD.

Zhejiang, China Since 2021
Chat Now Send Inquiry
Shanghai Pemichem Lab Supply Raw Materials Pharmaceutical Intermediates 2-Methoxythiazole CAS 14542-13-3

Shanghai Pemichem Lab Supply Raw Materials Pharmaceutical Intermediates 2-Methoxythiazole CAS 14542-13-3

US $ 5-10 / kg FOB
1 kg (MOQ)
More
Main Products: API, Intermediate, Caraglitide, Abaloparatide, Semax, Selank, Sarolaner, Fluralaner, Afoxolaner
Contact Supplier
Audited Supplier
Shanghai Pemichem Biotechnology Co., Ltd.

Shanghai, China Since 2024
Chat Now Send Inquiry
Silane Coupling Agents (Intermediates) ; Si-O Compounds Diethoxydimethylsilane 78-62-6

Silane Coupling Agents (Intermediates) ; Si-O Compounds Diethoxydimethylsilane 78-62-6

US $ 5-20 / kg FOB
1 kg (MOQ)
More
Type : Synthesis Material Intermediates
Contact Supplier
Audited Supplier
Wuhan Ruisunny Chemical Co., Ltd.

Trading Company

Hubei, China Since 2023
Chat Now Send Inquiry
View More

Browse by Categories

Home > Chemicals > Organic Chemicals > Organic Intermediate > Allylic Carbocation
1/834
TOP

Search Filter

Categories

More Less
  • Organic Intermediate
  • Chemical Reagent
  • Pharmaceutical Intermediate
  • Chemical Auxiliary
  • Amine
  • Essential Oil, Balsam & Fine Chemicals
  • Veterinary Medicine
  • Organic Salt
  • Flux & Impregnant
  • Benzene & Derivative

Appearance

More Less
  • Powder
  • Liquid
  • Crystal
  • Transparent

Colour

More Less
  • White
  • Colorless
  • Transparent
  • Yellow

Quality

More Less
  • Industrial
  • Refined
  • Technical
  • Crude

Type

More Less
  • Synthesis Material Intermediates
  • Pharmaceutical Intermediates
  • Dyestuff Intermediates
  • Agrochemical Intermediates
  • Flavor & Fragrance Intermediates

Company Type

More Less
  • Trading Company
  • Manufacturer/Factory
  • Group Corporation
  • Other

Company Location

More Less
  • Shandong
  • Jiangsu
  • Guangdong
  • Zhejiang
  • Shanghai
  • Hebei
  • Henan
  • Fujian
  • Liaoning
  • Tianjin
  • Hubei
  • Shaanxi
  • Anhui
  • Hunan
  • Beijing
  • Sichuan
  • Shanxi
  • Chongqing
  • Jiangxi
  • Guangxi
  • Inner Mongolia
  • Gansu
  • Heilongjiang
  • Hongkong S.A.R.
  • Jilin
  • Hainan
  • Ningxia
  • Guizhou
  • Yunnan
Reset Done