2-Acetylbenzoic acid(577-56-0)
- Name: 2-Acetylbenzoic acid
- Synonyms:Benzoicacid, o-acetyl- (6CI,7CI,8CI);2-Acetophenonecarboxylic acid;2'-Carboxyacetophenone;NSC 407680;o-Acetophenonecarboxylic acid;o-Acetylbenzoic acid;o-Carboxyacetophenone;
- Molecular Formula:C9H8O3
- Molecular Weight:164.161
- CAS Registry Number:577-56-0
- EINECS:209-413-2
- Melting Point:115-117 °C(lit.)
- Water Solubility:Soluble in Dichloromethane and Ethyl Acetate. Slightly soluble in water.
CAS No.577-56-0 2-Acetylbenzoic acid Manufacturer/High quality/Best price/In stock
Assay:98% Appearance:detailed see specifications Package:according to the clients requirement Storage:Store in dry, dark and ventilated place. Transportation:by sea or by air Application:It is an important raw material and intermediate used in Organic Synthesis, Pharmaceuticals, Agrochemicals and Dyestuff.
Min. Order:1Kilogram
Supplier:Dayang Chem (Hangzhou) Co.,Ltd. [ China (Mainland)]
Assessed
SupplierTel:+86-571-88938639
Address:9/F, Unit 2 Changdi Torch Building, 259# WenSan Road, Xihu District, Hangzhou City 310012, P.R.China
- Contact Suppliers
CAS No.577-56-0 NewblueCHEM--High purity 1-Bromo-2-nitrobenzene factory price2-Acetylbenzoic acid
Assay:99% Appearance:White powder Package:normal package Storage:room tempurature Transportation:by sea, by air or by courier Application:Pharmaceuticals
Min. Order:1Metric Ton
Supplier:HENAN NEW BLUE CHEMICAL CO.,LTD [ China (Mainland)]
Assessed
SupplierTel:86-371-55170693/55170694
Address:Zhengzhou International Trade New Territory,Jinshui District,Zhengzhou ,China
- Contact Suppliers
CAS No.577-56-0 2-Acetylbenzoic acid
Assay:99%min. Appearance:white powder Package:1kg/Export worthy packing; 25kg/drum Storage:In well-closed container, protected from light and in cool & dry place. Transportation:By Air, By Sea, By courier (door to door, DHL/FedEx/UPS) Application:R&D and production for pharmaceuticals and chemicals
Min. Order:1Gram
Supplier:LIDE PHARMACEUTICALS LIMITED [ China (Mainland)]
Assessed
SupplierTel:+86-25-58409506
Address:11F, Building A1, No.288 North Zhongshan Road, Gulou District, Nanjing,210003, P.R.China.
- Contact Suppliers
CAS No.577-56-0 2-Acetylbenzoic acid
Assay:99% purity Appearance:powder Package:accroding to the need Storage:Sealed in dry,Room Temperature Transportation:air锛宻ea and courier Application:intermediate
Min. Order:1Gram
Supplier:Shanghai Minstar Chemical Co., Ltd [ China (Mainland)]
Assessed
SupplierTel:86-21-18019205509
Address:BUILDING 8, NO.1098, CHUANSHA ROAD, SHANGHAI, CHINA
- Contact Suppliers
CAS No.577-56-0 2-Acetylbenzoic acid
Assay:99% Package:According to customer requirements Transportation:By Sea/Air/Courier Application:medicine
Min. Order:10Gram
Supplier:Zibo Hangyu Biotechnology Development Co., Ltd [ China (Mainland)]
Assessed
SupplierTel:86-15965530500
Address:Room1701, Tianxing Building,Licheng district, jinan, Shandong, China
- Contact Suppliers
CAS No.577-56-0 2-Acetylbenzoic acid
Assay:99% Package:According client's requirements Transportation:by sea/by air/by courier Application:Chemical products
Min. Order:1Kilogram
Supplier:Hangzhou ZeErRui Chemical Co., Ltd. [ China (Mainland)]
Assessed
SupplierTel:+86-571-82512721
Address:No 317,Jingling Road,Guali Town,Xiaoshan District
- Contact Suppliers
CAS No.577-56-0 2-Acetylbenzoic acid 577-56-0
Assay:>99% Appearance:Powder Package:5mg/vial, 10 vials per box Storage:Sealed in dry,Room Temperature Transportation:EMS,DHL,?TNT,?UPS?,FEDEX,?BY?AIR,?BY?SEADHL?Express,?FedEx?and?EMS?for?quantity?less?than?50KG,?usually?called?as?DDU?service;?Sea?shipping?for?quantity?over?500KG;?And?air?shipping?is?available Application:Organic raw material
Min. Order:1Kilogram
Supplier:Hebei Nengqian Chemical Import and Export Co., LTD [ China (Mainland)]
Assessed
SupplierTel:+86 13910575315
Address:Congtai District, La Defense North
- Contact Suppliers
CAS No.577-56-0 2-Acetylbenzoic acid
Assay: 98%Min Appearance:Detailed in specifications Package:According to customer Storage:Store in dry, dark and ventilated place Transportation:By air or by sea Application:An important raw material and intermediate used in organic Synthesis, Pharmaceuticals
Min. Order:1Kilogram
Supplier:TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD [ China (Mainland)]
Assessed
SupplierTel:15867601896
Address:Room 623 Yulan Square Bussiness Building . Jiaojiang Taizhou Zhejiang 318000 China
- Contact Suppliers
CAS No.577-56-0 SAGECHEM/2-Acetylbenzoic acid
Assay:99% Package:packing on demand Storage:normal temperature Transportation:BY EXPRESS, AIR OR SEA Application:SAGECHEM/2-Acetylbenzoic acid
Min. Order:0
Supplier:SAGECHEM LIMITED [ China (Mainland)]
Assessed
SupplierTel:+86-571-86818502
Address:Room C1301, New Youth Plaza, 8 Jia Shan Road, Hangzhou, China
- Contact Suppliers
CAS No.577-56-0 2-Acetylbenzoic acid
Assay:99.0% Min. Package:25Kg/drum, 150Kg/drum, 200kg/drum, According to request. Storage:Keep container tightly closed in a dry, cool and well-ventilated place. Transportation:By sea, by air.
Min. Order:0
Supplier:ORCHID CHEMICAL SUPPLIES LTD [ China (Mainland)]
Assessed
SupplierTel:+86-571-85395792
Address:607, North Zhongshan Road, Hangzhou 310000 China
- Contact Suppliers
CAS No.577-56-0 2-Acetylbenzoic acid
Assay:0.98 Appearance:Off white to slight yellow solid Package:1L 5L 10L 25L bottle Storage:Stored in shaded, cool and dry places Transportation:Handle with cares to avoid damaging the packages. Protect them from sunshine or rain. We can send by Fedex, by ship or by plane according to international rules. Application:pharma intermediate
Min. Order:0
Supplier:Antimex Chemical Limied [ China (Mainland)]
Assessed
SupplierTel:0086-21-50563169
Address:Room1027,No.Jinyu Road,Pudong
- Contact Suppliers
CAS No.577-56-0 2-Acetylbenzoic acid
Assay:99.90% Appearance:solid or liquid Package:drum and bag Storage:in sealed air resistant place Transportation:by sea or air Application:for pharma use
Min. Order:0
Supplier:Kono Chem Co.,Ltd [ China (Mainland)]
Assessed
SupplierTel:86-29-86107037-8015
Address:No.11 Daqing Road,Lianhu District,Xi鈥檃n 710082,China
- Contact Suppliers
CAS No.577-56-0 2-Acetylbenzoic acid
Assay:98%,99% Appearance:refer to COA Package:According to the clients requirement Storage:Store in dry, cool and ventilated place Transportation:By sea or by air or by courier Application:Liquid crystal intermediate
Min. Order:0
Supplier:Hangzhou Ocean Chemical Co., Ltd. [ China (Mainland)]
Assessed
SupplierTel:+86-571-88025872, 28272092, 28272096
Address:Room 623 ,Building No 1 , COFCO Radius Commercial Center Xiwen Road, Xiacheng District, Hangzhou, Zhejiang Province, China
- Contact Suppliers
CAS No.577-56-0 2-Acetylbenzoic acid
Assay:99% Appearance:Yellow solid Package:25kg/Barrel Storage:ln stock Transportation:Express/Sea/Air Application:Chemicals
Min. Order:0
Supplier:Hangzhou Sartort Biopharma Co., Ltd [ China (Mainland)]
Assessed
SupplierTel:86-571-87039693
Address:No. 57, Tech Park Road, Hangzhou, Zhejiang, China
- Contact Suppliers
CAS No.577-56-0 2-Acetylbenzoic acid
Assay:98% Package:Grams, Kilograms Transportation:According to customer request Application:For R&D
Min. Order:0
Supplier:Chemlyte Solutions [ China (Mainland)]
Assessed
SupplierTel:+86-189 8945 5137
Address:Jian Qiao Community, 789 Shenhua Road, Xihu District, Hangzhou, China, 310000
- Contact Suppliers
CAS No.577-56-0 2-Acetylbenzoic acid
Assay:98% Package:25kg/drum,or as per customers'demand Transportation:air,sea,courier Application:API,Pharmaceutical intermediates
Min. Order:0
Supplier:GIHI CHEMICALS CO.,LIMITED [ China (Mainland)]
Assessed
SupplierTel:+86-571-86217390
Address:No.567 Dengcai Street,Sandun,Westlake District,Hangzhou310030,Zhejiang,China.
- Contact Suppliers
CAS No.577-56-0 2-Acetylbenzoic acid
Assay:99% Application:Medical research field
Min. Order:0
Supplier:Qingdao Beluga Import and Export Co., LTD [ China (Mainland)]
Assessed
SupplierTel:+8613854236000
Address:qingdao
- Contact Suppliers
CAS No.577-56-0 Benzoic acid, 2-acetyl-
Assay:99% Appearance:white powder Package:drum Storage:Room temperature Transportation:By Sea/Air/DHL Application:Pharmaceutical intermediates
Min. Order:1Gram
Supplier:Henan Wentao Chemical Product Co., Ltd. [ China (Mainland)]
Premium
SupplierTel:+86-370-2722992
Address:32 Room, 5th Floor, Building 11, No. 6 Yinxing Road, High-tech Industrial Development Zone, Zhengzhou City, Henan Province
- Contact Suppliers
CAS No.577-56-0 Benzoic acid, 2-acetyl-
Assay:98%min Appearance:Off-white to light yellow powder Package:According to the clients requirement. Storage:Keep in cool place. Application:Pharmaceutical intermediates
Min. Order:0
Supplier:Hangzhou J&H Chemical Co., Ltd. [ China (Mainland)]
Premium
SupplierTel:+86-571-87396432
Address:No.200 Zhenhua Rd.Xihu Industrial Park, Hangzhou 310030, China
- Contact Suppliers
CAS No.577-56-0 2-Acetylbenzoic acid cas 577-56-0
Assay:99%min Appearance:white crystalline powder Package:25KG drum Storage:Store in dry, dark and ventilated place Transportation:by air, by sea, by express Application:intermediate
Min. Order:0
Supplier:Hangzhou Fandachem Co.,Ltd [ China (Mainland)]
Premium
SupplierTel:+86-571-28800458
Address:Room 5010, No.9 YanAn Road,Hangzhou,Zhejiang,China
- Contact Suppliers
CAS No.577-56-0 2-Acetylbenzoic acid
Assay:99% Appearance:white powder Package:25kg,50kg,180kg,200kg,250kg,1000kg锛宑ustomization Storage:Keep it in dry,shady and cool place Transportation:by express or by sea Application:Pharma;Industry;Agricultural;chemical reaserch
Min. Order:0
Supplier:Wuhan Circle Star Chem-medical Technology co.,Ltd. [ China (Mainland)]
Premium
SupplierTel:+86-13437180835
Address:Room 02-31, 13 / F, Building 9, Guannan Fuxing Medical Park Phase II, No.58, Guanggu Avenue, East Lake New Technology Development Zone, Wuhan, Hubei, China (Wuhan Area, Free Trade Zone)
- Contact Suppliers
CAS No.577-56-0 Wholesale price CAS 577-56-0 with best price
Assay:99% Appearance:White powder Package: [Packaging]20mg, 50mg,100mg,1g,10g,100g,according to customers' requirements Storage: should be stored in a well-closed container at low temperature, keep away from moisture, heat and light. Transportation:1. Samples 1kg-10kg are shipped by international express. 2. 50kg-100kg of goods are transported by dedicated line logistics. 3. Cargo 100kg-1ton is transported by dedicated line logistics. Application:Raw materials in the pharmaceutical field
Min. Order:10Kilogram
Supplier:Zhuozhou Wenxi import and Export Co., Ltd [ China (Mainland)]
Premium
SupplierTel:+86-13111626072
Address:Room 1710, Baoxin International Phase I, 19 Guanyun East Road, Zhuozhou, Hebei
- Contact Suppliers
CAS No.577-56-0 2-Acetylbenzoic acid
Assay:98% Appearance:Powder Package:DRUM Storage:room temperature Transportation:AIR/SEA Application:mainly for medical use for R&D purpose use only
Min. Order:1Kilogram
Supplier:Enke Pharma-tech Co.,Ltd. 锛圕angzhou, China 锛?/a> [ China (Mainland)]
Premium
SupplierTel:0086-317-5106598
Address:40# Shuiyuesi Street, Cangzhou City,Hebei Province, China.
- Contact Suppliers
CAS No.577-56-0 2-Acetylbenzoic acid
Assay:98% Appearance:detailed see specifications Package:according to the clients requirement Storage:Store in dry, dark and ventilated place Transportation:transport by sea or by air Application:Aromatic Acetophenones & Derivatives (substituted);Carboxylic Acids;Phenyls & Phenyl-Het;Aromatics;Carboxylic Acids;Phenyls & Phenyl-Het锛?custom sy
Min. Order:1Gram
Supplier:Shanghai Massive Chemical Technology Co., Ltd. [ China (Mainland)]
Premium
SupplierTel:+86 21 34943721
Address:Room 435, 4th floor, Building 9, No. 2568 Gudai Road,Minhang District, Shanghai,
- Contact Suppliers
CAS No.577-56-0 2-acetylbenzoate
Assay:97% Appearance:Powder or liquid Package:According to customer Storage:Store in a tightly closed container, in a cool and dry place. Transportation:Fedex,DHL,TNT,BY SEA and BY AIR Application:Medicinal Chemistry Biomedicine Pharmaceutical intermediates Chemistry experiment Biological experiments Chemical reagent For R&D use only.
Min. Order:10Milligram
Supplier:Amadis Chemical Co., Ltd. [ China (Mainland)]
Premium
SupplierTel:86-571-89925085
Address:Watts Cosine.No.166.Xiangmao Road.
- Contact Suppliers
CAS No.577-56-0 2-Acetylbenzoic acid
Assay:99% Haccp,,Halal,SC US FDA GMP ISO14001 Appearance:As per Certificate of analysis and our TDS, MSDS Package:Export standard and according to the clients requirement Storage:Store in dry, dark and ventilated place;ISO / Kosher /GMP licence commercial bulk capacity factory in China Transportation:By AIR or by SEA GMP licence / US-FDA,South Korea-KFDA Application:It is an important raw material and intermediate for chemical industry.
Min. Order:5Kiloliter
Supplier:Chemwill Asia Co., Ltd. [ China (Mainland)]
Premium
SupplierTel:021-51086038
Address:High-Tech Industrial park,Chemical Economical Development Zone,Xuzhou, Jiangsu-Province, P.R.China
- Contact Suppliers
CAS No.577-56-0 2-Acetylbenzoic acid, 98+ %
Assay:98% Package:As per customer's demand Storage:Sealed, dry, microtherm , avoid light and smell. Transportation:By Sea or By Air or By Courier Application:Organic synthesis
Min. Order:1Gram
Supplier:Henan Allgreen Chemical Co.,Ltd [ China (Mainland)]
Premium
SupplierTel:+86-0371-87507775
Address:No 260 Dongming Road,Jinshui District
- Contact Suppliers
CAS No.577-56-0 Acmec 2-Acetylbenzoic acid A23481 20mg
Assay:Analysis control,HPLC鈮?8% Appearance:See the datasheet Package:20mg Storage:RT Transportation:By Express, Air and Road Application:Analytical reagent, biochemical reagent, standard
Min. Order:1bottle
Supplier:Shanghai Acmec Biochemical Technology Co., Ltd. [ China (Mainland)]
Premium
SupplierTel:86-400-9004166
Address:459 Nanzhong Road, Nanqiao, Xingtang County, Fengxian Districtct, Shanghai
- Contact Suppliers
CAS No.577-56-0 2-Acetylbenzoic acid
Assay:99% Appearance:White to light yellow to light orange fluffy powder Package:according to your requirement Storage:White to light yellow to light orange fluffy powder Transportation:by air /by train/by sea Application:lab
Min. Order:1Kilogram
Supplier:Jiangsu Xinsu New Materials Co., Ltd. [ China (Mainland)]
Premium
SupplierTel:86-139-14000513
Address:High speed Railway New City, Xiangcheng District, Suzhou City, Jiangsu Province
- Contact Suppliers
CAS No.577-56-0 Factory Supply 2-Acetylbenzoic acid
Assay:99% Appearance:powder or granule ( refer to COA) Package:25kgs/fiber drum Storage:Keep in a cool & dry place Transportation:by sea or by air Application:Librium, Valium
Min. Order:0Metric Ton
Supplier:Ality Chemical Corporation [ China (Mainland)]
Premium
SupplierTel:86-(0)592-8883942
Address:Fine chemical industry park, Nantong,Jiangsu
- Contact Suppliers
CAS No.577-56-0 2-Acetylbenzoic acid
Package:As client requirement Transportation:Express, Air , Sea shipment Application:Pharmaceutical Intermediates
Min. Order:0
Supplier:Hunan chemfish Pharmaceutical co.,Ltd [ China (Mainland)]
Premium
SupplierTel:0731-85567275
Address:Innovation center , Meixi Lake ,Yuelu district ,Changsha City, Hunan Province , China
- Contact Suppliers
CAS No.577-56-0 2-Acetylbenzoic acid manufacturer
Assay:98% Appearance:White powder Package:According client's requirements Storage:keep sealed and keep from direct light Transportation:According client's requirements Application:pharmaceutical
Min. Order:0
Supplier:Shanghai Yuanye Bio-Technology Co., Ltd. [ China (Mainland)]
Premium
SupplierTel:+86-21-61845781
Address:Building 6, No. 465, Changta Road,Songjiang District,Shanghai,China
- Contact Suppliers
CAS No.577-56-0 2-Acetylbenzoic acid
Assay:Pure Appearance:Powder Package:10G/bottle 1kg/tin 5kg/tin 25kg/carton Storage:Store in dry, cool and ventilated place Transportation:By sea By air By courier Application:1. Chemical raw materials 2. Used as an analytical reagent
Min. Order:0
Supplier:Asure Biochem CO.,LTD. [ China (Mainland)]
Premium
SupplierTel:+8613116738678
Address:hangzhou
- Contact Suppliers
CAS No.577-56-0 2-Acetylbenzoic acid cas no. 577-56-0 98%
Assay:0.98 Package:Grams, Kilograms Transportation:According to customer request Application:For R&D
Min. Order:0
Supplier:Win-Win chemical Co.Ltd [ China (Mainland)]
Premium
SupplierTel:0086-577-64498589
Address:6F, No. 396 Xingping Road, Longwan Industrial Zone, Wenzhou City, Zhejiang, 325000 P.R.China
- Contact Suppliers
CAS No.577-56-0 2-Acetylbenzoic acid
Assay:98% or higher Appearance:White to beige crystalline powder Application:Spectroscopic determination of luminescent substrate of leucine aminopeptidase
Min. Order:0
Supplier:SuZhou Yacoo Science Co., Ltd [ China (Mainland)]
Premium
SupplierTel:86-512-87182055
Address:No.128 Fangzhou Rd, Suzhou Industrial Park, China, 215125, China
- Contact Suppliers
CAS No.577-56-0 2-Acetylbenzoic acid
Min. Order:0
Supplier:Shanghai Dynamic Industrial Co.,Ltd. [ China (Mainland)]
Premium
SupplierTel:86-021 3392 6680
Address:Room 805 Information Tower, No.1403 Minsheng Road, Pudong New Area, Shanghai 200135, P. R. China
- Contact Suppliers
CAS No.577-56-0 2-Acetylbenzoic acid
Assay:99% Application:It is an important raw material.
Min. Order:0
Supplier:Shandong Mopai Biotechnology Co., LTD [ China (Mainland)]
Premium
SupplierTel:+86-15965530500
Address:shandong
- Contact Suppliers
CAS No.577-56-0 2-Acetylbenzoic acid
Min. Order:0
Supplier:Qingdao KMS Biochemical Technology Co.,Ltd. [ China (Mainland)]
Premium
SupplierTel:0571-87191913
Address:Room 215, Building 3rd, No.288 Ningxia Road, Qingdao city, China
- Contact Suppliers
- Shanghai Dynamic Industrial Co.,Ltd.
- Dayang Chem (Hangzhou) Co.,Ltd.
Other Product
- 76-51-7/5-ETHYL-10,10-DIPHENYLPHENAZASILANE
- 19967-57-8/2-BROMO-PROPIONALDEHYDE
- 4207-56-1/Phenyltrimethylammonium tribromide
- 33595-26-5/2-Naphthacenecarboxamide,4-(dimethylamino)- 1,4,4a,5,5a,6,11,12a-octahydro-3,5,6,10,12,12ahexahydroxy- 6-methyl-1,11-dioxo-,monohydrochloride,(4S,4aR,5S,5aR,6S,12aS)-,mixt. with 2-amino-3,5-dibromo-N-cyclohexyl- N-methylbenzenemethanamine monohydrochloride
- 13676-54-5/Bismaleimide
- 93038-90-5/33258 Hoechst
- 18228-77-8/N-[bis(2-chloroethyl)amino-phenylmethoxy-phosphoryl]cyclohexanamine
- 4942-00-1/1-phenyl-
- 70514-37-3/Slimes and Sludges, lead sinter dust scrubber
- 99318-09-9/N-hydroxy-N-methyl-7-propoxy-2-naphthaleneethanamine
- 12010-41-2/DYSPROSIUM BISMUTHIDE
- 17192-80-2/2,5-dimethoxy-4-[(4-methylphenyl)thio]benzenediazonium tetrachlorozincate (2:1)
- 741-87-7/[(4E)-4-(hydroxyimino)naphthalen-1(4H)-ylidene](4-methoxyphenyl)acetonitrile
- 30060-36-7/1-(benzyloxy)-3-methyldihydropyrimidine-2,4(1H,3H)-dione
- 15686-71-2/Cephalexin
- 27425-78-1/D-myo-Inositol,O-2,6-diamino-2,6-dideoxy-a-D-glucopyranosyl-(1®4)-O-[O-2,6-diamino-2,6-dideoxy-a-D-glucopyranosyl-(1®3)-b-D-ribofuranosyl-(1®5)]-1,3-diamino-1,3-dideoxy-
- 158800-84-1/b-D-Glucopyranosiduronic acid, (3b,16a,21b,22a)-22-(acetyloxy)-16,28-dihydroxy-21-[[(2E)-2-methyl-1-oxo-2-butenyl]oxy]olean-12-en-3-ylO-b-D-galactopyranosyl-(1®2)-O-[b-D-glucopyranosyl-(1®4)]- (9CI)
- 577-56-0/2-Acetylbenzoic acid
- 70608-72-9/5(S)-HETE
- 136626-78-3/TRY 200
- 1447-98-9/2-{[2-(1-phenylpropan-2-yl)diazan-2-ium-1-yl]carbonyl}pyridinium dichloride
- 9004-36-8/CELLULOSE ACETATE BUTYRATE
- 4727-17-7/Cyclopentadecanol
- 67427-81-0/2-{3-[(2,5-dichlorophenyl)amino]-2-hydroxypropyl}guanidine sulfate (2:1) (salt)
- 52750-12-6/2,5-diphenylbicyclo[4.1.0]hepta-1,3,5-triene
- 14164-34-2/4,6-dimethyl-2-phenylpyrimidine
- 86807-55-8/Dermorphin, O-sulfated
- 81611-05-4/Trisodium (2-((alpha-((3-((5-chloro-2,6-difluoro-4-pyrimidinyl)amino)-2-hydroxy-5-sulphophenyl)azo)benzyl)azo)-5-sulphobenzoato(5-))cuprate(3-)
- 26873-22-3/2-benzyl-1-[(benzyloxy)carbonyl]-3-(ethoxycarbonyl)piperidine-3-carboxylic acid
- 142762-74-1/2-Thiazolidineacetamide,4,4'-[1,2-ethanediylbis(iminocarbonyl)]bis[5,5-dimethyl-a-[(phenylacetyl)amino]-N-(phenylmethyl)-,(aR,a'R,2R,2'R,4S,4'S)- (9CI)