Product Name: DL-Chloramphenicol Other name: Synthomycin, Sintomycin Cas No.: 56-75-7 Specification: In-house standard Assay: 98%-102% Specific optical rotation: 0 ° Packing: 25kg/drum MOQ: 100kg Origin: China Pls no
Cas:56-75-7
Min.Order:100 Kilogram
Negotiable
Type:Other
inquiryOur company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At present
Cas:56-75-7
Min.Order:1 Kilogram
FOB Price: $62.0 / 65.0
Type:Trading Company
inquiryChloramphenicol 1.Characters,hite to grayish-white or yellowish-white, 2.Assay,97.00%~103.00% Appearance:Awhite to grayish-white or yellowish-white,fine crystalline powder or fine crystals,needles or elong Storage:storage in ambient temperature P
1.Name:Chloramphenicol 2.Cas No.:56-75-7 3.Use:Antibacterial 4.Standards:BP/USP 5.Appearance: A white, grayish-white or yellowish-white, fine, crystalline powder or fine crystals, needles or elongated plates, slightly soluble in water, freely
Cas:56-75-7
Min.Order:0 Metric Ton
Negotiable
Type:Trading Company
inquiryWhy is SINOWAY: 1) Specialized in pharmaceutical and healthcare industrial for 34 years. 2) ISO 9001:2015 & SGS audited supplier . 3) Accept various payment terms : T.T 30-60 days. 4) We have warehouse in USA with quickly shipment . 5) We c
Cas:56-75-7
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryItems Standard Test Result Appearance A white, greyish-white or yellowish-white, fine, crystalline powder or fine crystals, needles or elongated plates
Cas:56-75-7
Min.Order:1 Gram
FOB Price: $100.0 / 500.0
Type:Manufacturers
inquiryChloramphenicol CAS: 56-75-7 MF: C11H12Cl2N2O5 MW: 323.13 EINECS: 200-287-4 Chemical Properties: White to grey-white crystalline powder. Very bitter taste. Mp 149.7-150.7 ºC. Can be under high vacuum sublimati
Unique advantages for Chloramphenicol Cas 56-75-7 Guaranteed the purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:Powder Storage:2-8°C Package:1kg/foil bag, 25kg/drum or as you requ
Cas:56-75-7
Min.Order:1 Kilogram
FOB Price: $110.0
Type:Trading Company
inquiryCAS No.: 56-75-7 Other Names: levogyre MF: C11H12Cl2N2O5 EINECS No.: 200-287-4 Place of Origin: Anhui, China
Cas:56-75-7
Min.Order:1 Metric Ton
Negotiable
Type:Trading Company
inquiryWe can provide GMP validation service that complies with SFDA, FDA, WHO and EU EMPA.Excellent registration team could help us easlily to register our products in different countries.If you and your customer are interested in some products or need C
Cas:56-75-7
Min.Order:1 Gram
Negotiable
Type:Manufacturers
inquiryThe 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
Cas:56-75-7
Min.Order:1
Negotiable
Type:Other
inquiry17-year experience in Phytochemicals Each product has passed very strict tests (NMR\MS\HPLC) Agents in 13 countries Certified by ISO 9001:2008 quality management system Leader Supplier of Botanical Reference Materials in China
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
Cas:56-75-7
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryColorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on
Dayangchem’s R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantiti
Cas:56-75-7
Min.Order:100 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiry
Cas:56-75-7
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Manufacturers
inquiryCHENGDU YANXI is a comprehensive manufacturer and an international distribution of products throughout the world. Specialized in Scrap metal, Chemical raw materials, Paper products and color industry. We aim to become leading position in global dis
Cas:56-75-7
Min.Order:1 Kilogram
FOB Price: $4.0 / 5.0
Type:Trading Company
inquiryName:chloroamphenicol CAS NO:56-75-7 Grade:Medical scientific research and export Molecular formula:C11H12Cl2N2O5 Molecular weight: 323.1294 Product Quality 12 years of chemical raw materials Mature operation of the industry System stabili
Cas:56-75-7
Min.Order:25 Kilogram
FOB Price: $2.0 / 3.0
Type:Other
inquiryOur company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O
Cas:56-75-7
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryWith our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufactu
Cas:56-75-7
Min.Order:1 Kilogram
FOB Price: $1.0 / 10.0
Type:Trading Company
inquiryWITH 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
Cas:56-75-7
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryOur Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We
Cas:56-75-7
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiryAdvantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&
Cas:56-75-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryProduct Name: chloramphenicol Appearance : White or slightly yellowish white fine crystalline powder or needles Cas No.: 56-75-7 Form: White or slightly yellowish white Purity: >99% Molecular weight:323.1294 Appearance:White powde
Appearance:White to yellowish crystalline powder Storage:R.T Package:25kg/drum Application:Broad-spectrum antibiotics Transportation:Express/Sea/Air Port:Any port in China
Cas:56-75-7
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryAdvantages: Hubei XinRunde Chemical Co., Ltd is a renowned pharmaceutical manufacturer. We can offer high quality products at competitive price in quick delivery with 100% custom pass guaranteed. Never stop striving to offer our best s
Cas:56-75-7
Min.Order:10 Gram
Negotiable
Type:Other
inquiry1,In No Less ten years exporting experience. 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Onchem specialized in APIs, chemical intermedi
Cas:56-75-7
Min.Order:1 Kilogram
FOB Price: $10.0
Type:Lab/Research institutions
inquiryWe are the manufacturers and suppliers of API in China, and warehouse in Germany and USA of California, which can quickly and safely deliver to your address 1.High quality and competitive price. 2.Free sample for your evaluation. 3.Promptly delivery
Cas:56-75-7
Min.Order:10 Gram
FOB Price: $1.16
Type:Trading Company
inquirychloramphenicol CAS:56-75-7 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic intermediat
Cas:56-75-7
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHubei 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)
Cas:56-75-7
Min.Order:10 Milligram
Negotiable
Type:Lab/Research institutions
inquirydichloroacetic acid methyl ester
(1R,2R)-2-Amino-1-(4-nitrophenyl)-1,3-propanediol
chloramphenicol
Conditions | Yield |
---|---|
In methanol at 23 - 40℃; for 9h; Inert atmosphere; | 97% |
at 90℃; for 1h; | 80% |
Amidation; | 74% |
2,2-dichloro-N-[1-hydroxymethyl-2-methoxy-2-(4-nitrophenyl)-ethyl]-acetamide
chloramphenicol
Conditions | Yield |
---|---|
With boron tribromide In dichloromethane at -20℃; for 12h; | 80% |
chloramphenicol
Conditions | Yield |
---|---|
With sodium tetrahydroborate In methanol at 0℃; for 1h; Inert atmosphere; | 80% |
dichloroacetic acid methyl ester
(4R,5R)-5-(4-nitrophenyl)-4-hydroxymethyl-1,3-oxazolidin-2-one
chloramphenicol
Conditions | Yield |
---|---|
Stage #1: (4R,5R)-5-(4-nitrophenyl)-4-hydroxymethyl-1,3-oxazolidin-2-one With sodium hydroxide In methanol; water at 25℃; Stage #2: dichloroacetic acid methyl ester at 90℃; for 3h; | 78% |
Stage #1: (4R,5R)-5-(4-nitrophenyl)-4-hydroxymethyl-1,3-oxazolidin-2-one With sodium hydroxide In water for 0.5h; Reflux; Stage #2: dichloroacetic acid methyl ester In water at 90℃; for 3h; | 70% |
(2S)-(2,2-dichloroacetylamino)-(3R)-hydroxy-3-(4-nitrophenyl)-propionic acid ethyl ester
chloramphenicol
Conditions | Yield |
---|---|
With sodium tetrahydroborate In methanol at 0℃; for 0.5h; | 74% |
Conditions | Yield |
---|---|
Stage #1: dichloroacetonitrile; (αR,2R)-α-(4-nitrophenyl)oxiranemethanol With sodium hydride In dichloromethane at 0 - 20℃; for 1h; Stage #2: With boron trifluoride diethyl etherate In dichloromethane at -78 - 20℃; for 3h; | 71% |
chloramphenicol
chloramphenicol
Conditions | Yield |
---|---|
With dimethylsulfide borane complex In tetrahydrofuran for 16h; Ambient temperature; | 70% |
dichloroacethyl chloride
(1R,2R)-2-Amino-1-(4-nitrophenyl)-1,3-propanediol
chloramphenicol
Conditions | Yield |
---|---|
With dichloro-acetic acid und anschliessend mit wss.Aceton bei pH8-9; |
chloral hydrate
(1R,2R)-2-Amino-1-(4-nitrophenyl)-1,3-propanediol
potassium cyanide
chloramphenicol
pentachloroacetone
(1R,2R)-2-Amino-1-(4-nitrophenyl)-1,3-propanediol
chloramphenicol
Conditions | Yield |
---|---|
With 1,4-dioxane |
bis-dichloroacetyl-amine
(1R,2R)-2-Amino-1-(4-nitrophenyl)-1,3-propanediol
chloramphenicol
Conditions | Yield |
---|---|
With ethanol |
dichloroacetyl-phosphorous acid diethyl ester
(1R,2R)-2-Amino-1-(4-nitrophenyl)-1,3-propanediol
chloramphenicol
Conditions | Yield |
---|---|
With methanol | |
With ethyl acetate |
(1R,2R)-2-Amino-1-(4-nitrophenyl)-1,3-propanediol
chloramphenicol
Conditions | Yield |
---|---|
With ethanol |
(1R,2R)-3-dichloroacetoxy-2-(2,2-dichloro-acetylamino)-1-(4-nitro-phenyl)-propan-1-ol
chloramphenicol
Conditions | Yield |
---|---|
With acetone |
Conditions | Yield |
---|---|
durch Chromatographie an einer Lactose-Saeule; | |
With chiral stationary phase derived from aminated silica gel, L-2-(p-toluenesulfonamido)-3-phenylpropionyl chloride and dendrimer In methanol; water at 25℃; Resolution of racemate; |
dichloroacetic acid-[(5R)-4c-(4-nitro-phenyl)-2-oxo-[1,3]dioxan-5r-ylamide]
chloramphenicol
Conditions | Yield |
---|---|
With hydrogenchloride |
dichloroacetic acid-[(5R)-4c-(4-nitro-phenyl)-2ξ-oxo-2λ4-[1,3,2]dioxathian-5r-ylamide]
chloramphenicol
Conditions | Yield |
---|---|
With hydrogenchloride |
(1R,2R)-2-(2,2-dichloro-acetylamino)-1-(4-nitro-phenyl)-3-nitryloxy-propan-1-ol
chloramphenicol
Conditions | Yield |
---|---|
With methanol; iron(II) ammonium sulfate | |
With aminosulfonic acid; water; iron(II) sulfate |
Conditions | Yield |
---|---|
ueber das O3-<3-Carboxy-propionyl>-Derivat; |
(R)-((R)-2-dichloromethyl-4,5-dihydro-oxazol-4-yl)-(4-nitro-phenyl)-methanol
chloramphenicol
Conditions | Yield |
---|---|
With acid Hydrolysis; |
threo (1R)-acetoxymethoxy-(2R)-dichloroacetamido-3-acetoxy-1-p-nitrophenylpropane
chloramphenicol
Conditions | Yield |
---|---|
With ammonium hydroxide In methanol |
Conditions | Yield |
---|---|
With borate buffer pH 7.5; lipase at 37℃; for 5h; Rate constant; also addition of β-cyclodextrin, chloramphenicol or palmitic acid, var. of polymorphic forms; |
Conditions | Yield |
---|---|
With borate buffer pH 7.5; lipase at 37℃; for 5h; Rate constant; also addition of chloramphenicol or palmitic acid, var. of polymorphic forms; |
chloramphenicol
Conditions | Yield |
---|---|
With tetrabutyl ammonium fluoride In tetrahydrofuran desilylation; |
chloramphenicol
Conditions | Yield |
---|---|
With methanol; iron(II) ammonium sulfate | |
With aminosulfonic acid; water; iron(II) sulfate | |
With methanol; iron(II) chloride |
chloramphenicol
Conditions | Yield |
---|---|
With methanol; iron(II) chloride |
chloramphenicol
Conditions | Yield |
---|---|
With sodium tetrahydroborate; ethyl acetate |
chloramphenicol
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride; diethyl ether |
3-nitro-1-palmitoyl-1H-1,2,4-triazole
chloramphenicol
chloramphenicol Palmitate
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran at 20℃; for 1h; regioselective reaction; | 100% |
chloramphenicol
chloramphenicol
Conditions | Yield |
---|---|
With 1H-imidazole In dichloromethane for 2h; | 99% |
With 1H-imidazole In N,N-dimethyl-formamide for 19h; Ambient temperature; | 95% |
With dmap; triethylamine In dichloromethane |
Conditions | Yield |
---|---|
With palmitic acid imprinted Thermomyces lanuginosus Lypozyme TL 100L lipase nanogel In acetonitrile at 20℃; for 48h; Temperature; Concentration; Reagent/catalyst; Green chemistry; Enzymatic reaction; regioselective reaction; | 99% |
With lipase encapsulated polyacrylamide nanogel In water; acetonitrile at 20℃; for 6h; Reagent/catalyst; Enzymatic reaction; | 99% |
With Novozym 435 In acetonitrile at 20℃; for 3h; Inert atmosphere; Enzymatic reaction; regioselective reaction; | 91% |
chloramphenicol
propionyl chloride
(1R,2R)-2-[(dichloroacetyl)amino]-1-(4-nitrophenyl)-3-(propanoyloxy)propyl propanoate
Conditions | Yield |
---|---|
With dmap; triethylamine In dichloromethane at 20℃; for 1h; Inert atmosphere; | 99% |
chloramphenicol
acetyl chloride
(1R,2R)-3-(acetyloxy)-2-[(dichloroacetyl)amino]-1-(4-nitrophenyl)propyl acetate
Conditions | Yield |
---|---|
With dmap; triethylamine In dichloromethane at 20℃; for 1h; Inert atmosphere; | 99% |
chloramphenicol
p-toluenesulfonyl chloride
Toluene-4-sulfonic acid (2R,3R)-2-(2,2-dichloro-acetylamino)-3-hydroxy-3-(4-nitro-phenyl)-propyl ester
Conditions | Yield |
---|---|
With pyridine for 2h; Ambient temperature; | 97% |
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran | 96% |
chloramphenicol
ortho-xylenyl phosphoryl chloride
Conditions | Yield |
---|---|
With 1,2,2,6,6-pentamethylpiperidine; C15H12F6N2O In dichloromethane at 20℃; for 4h; Inert atmosphere; | 96% |
chloramphenicol
1,3-bis(2-hydroxy-3-chloropropyl)-6-methyluracil
Conditions | Yield |
---|---|
With potassium carbonate In methanol at 60℃; for 8h; | 95% |
chloramphenicol
[(1R,2R)-2-amino-1-(4-nitrophenyl)propane-1,3-diol] hydrochloride
Conditions | Yield |
---|---|
With hydrogenchloride In water for 2h; Heating; | 93% |
Multi-step reaction with 2 steps 1: pyridine; dioxane 2: HCl; diethyl ether; dioxane View Scheme | |
With hydrogenchloride Heating; |
n-dodecanoyl chloride
chloramphenicol
(1R,2R)-2-[(dichloroacetyl)amino]-3-(lauroyloxy)-1-(4-nitrophenyl)propyl laurate
Conditions | Yield |
---|---|
With dmap; triethylamine In dichloromethane at 20℃; for 1h; Inert atmosphere; | 93% |
vinyl caprate
chloramphenicol
(2R,3R)-2-[(dichloroacetyl)amino]-3-hydroxy-3-(4-nitrophenyl)propyl decanoate
Conditions | Yield |
---|---|
With Novozym 435 In acetonitrile at 20℃; for 3h; Inert atmosphere; Enzymatic reaction; regioselective reaction; | 92% |
With lipase cloned from Bacillus amyloliquefaciens In ethanol at 50℃; for 4h; Inert atmosphere; Enzymatic reaction; regioselective reaction; |
Conditions | Yield |
---|---|
With 1,2,2,6,6-pentamethylpiperidine; C15H12F6N2O In dichloromethane at 20℃; for 4h; Inert atmosphere; | 92% |
Conditions | Yield |
---|---|
In acetonitrile at 20℃; for 18h; Inert atmosphere; | 92% |
Conditions | Yield |
---|---|
With pyridine In N,N-dimethyl-formamide; toluene at -4 - 5℃; for 4.83333h; Solvent; | 91.9% |
With pyridine | |
With benzene | |
With benzene unter Zusatzt von Pyridin; |
chloramphenicol
acetic anhydride
(1R,2R)-3-(acetyloxy)-2-[(dichloroacetyl)amino]-1-(4-nitrophenyl)propyl acetate
Conditions | Yield |
---|---|
With pyridine at 0 - 20℃; | 91% |
With pyridine |
vinyl laurate
chloramphenicol
(2R,3R)-2-[(dichloroacetyl)amino]-3-hydroxy-3-(4-nitrophenyl)propyl laurate
Conditions | Yield |
---|---|
With Novozym 435 In acetonitrile at 20℃; for 4h; Inert atmosphere; Enzymatic reaction; regioselective reaction; | 91% |
With lipase cloned from Bacillus amyloliquefaciens In ethanol at 50℃; for 4h; Inert atmosphere; Enzymatic reaction; regioselective reaction; |
Conditions | Yield |
---|---|
In acetonitrile at 20℃; for 18h; Inert atmosphere; | 91% |
vinyl acetate
chloramphenicol
(2R,3R)-2-[(dichloroacetyl)amino]-3-hydroxy-3-(4-nitrophenyl)propyl acetate
Conditions | Yield |
---|---|
With Novozym 435 In acetonitrile at 20℃; for 3h; Inert atmosphere; Enzymatic reaction; regioselective reaction; | 90% |
With lipase cloned from Bacillus amyloliquefaciens In ethanol at 50℃; for 4h; Inert atmosphere; Enzymatic reaction; regioselective reaction; |
vinyl propionate
chloramphenicol
(2R,3R)-2-[(dichloroacetyl)amino]-3-hydroxy-3-(4-nitrophenyl)propyl propionate
Conditions | Yield |
---|---|
With immobilised Pseudomonas cepacia lipase PSL-C I In 1,4-dioxane at 30℃; for 6h; Inert atmosphere; Enzymatic reaction; regioselective reaction; | 90% |
With lipase cloned from Bacillus amyloliquefaciens In 1,4-dioxane; ethanol at 50℃; for 8h; Catalytic behavior; Solvent; Temperature; Time; Inert atmosphere; Enzymatic reaction; regioselective reaction; |
chloramphenicol
acetic anhydride
tert-butyldimethylsilyl chloride
(1R,2R)-3-((tert-butyldimethylsilyl)oxy)-2-(2,2-dichloroacetamido)-1-(4-nitrophenyl)propyl acetate
Conditions | Yield |
---|---|
Stage #1: chloramphenicol; tert-butyldimethylsilyl chloride With 1H-imidazole In dichloromethane at 25℃; for 0.5h; Stage #2: acetic anhydride With triethylamine In dichloromethane at 25℃; for 12h; | 90% |
chloramphenicol
acetone
dichloroacetic acid-[(5R)-2,2-dimethyl-4c-(4-nitro-phenyl)-[1,3]dioxan-5r-ylamide]
Conditions | Yield |
---|---|
With 4 A molecular sieve; Amberlyst A 15 In tetrahydrofuran for 24h; Ambient temperature; | 89.3% |
chloramphenicol
1,3-bis(2-hydroxy-3-chloropropyl)uracil
Conditions | Yield |
---|---|
With potassium carbonate In methanol at 60℃; for 8h; | 87% |
chloramphenicol
propionic acid anhydride
A
(1R,2R)-2-[(dichloroacetyl)amino]-1-(4-nitrophenyl)-3-(propanoyloxy)propyl propanoate
B
(2R,3R)-2-[(dichloroacetyl)amino]-3-hydroxy-3-(4-nitrophenyl)propyl propionate
Conditions | Yield |
---|---|
With pyridine; dmap In dichloromethane for 0.0833333h; | A 15% B 85% |
chloramphenicol
butyryl chloride
B
threo-(1R,2R)-1-(4-nitrophenyl)-2-(dichloroacetamido)-1,3-propanediol 3-butanoate
Conditions | Yield |
---|---|
With pyridine; dmap In dichloromethane for 0.0833333h; | A 15% B 85% |
chloramphenicol
meta-hydroxybenzaldehyde
2,2-Dichloro-N-[(4R,5R)-2-(3-hydroxy-phenyl)-4-(4-nitro-phenyl)-[1,3]dioxan-5-yl]-acetamide
Conditions | Yield |
---|---|
With 4 A molecular sieve; Amberlyst A 15 In tetrahydrofuran for 24h; Ambient temperature; | 82% |
succinic acid anhydride
chloramphenicol
threo-(1R,2R)-1-(4-nitrophenyl)-2-(dichloroacetamido)-1,3-propanediol 3-succinate
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran at 0℃; Reagent/catalyst; | 81% |
In 1,4-dioxane at 20℃; for 24h; lipase; | 64% |
With 1,4-dioxane; pyridine |
chloramphenicol
n-decanoyl chloride
(1R,2R)-3-(decanoyloxy)-2-[(dichloroacetyl)amino]-1-(4-nitrophenyl)propyl decanoate
Conditions | Yield |
---|---|
With dmap; triethylamine In dichloromethane at 20℃; for 1h; Inert atmosphere; | 80% |
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