Fluorescamine(38183-12-9)
- Name: Fluorescamine
- Synonyms:4-Phenylspiro[furan-2(3H),1'-phthalan]-3,3'-dione;Fluorescamine;Fluram;Ro 20-7234;
- Molecular Formula:C17H10O4
- Molecular Weight:278.264
- CAS Registry Number:38183-12-9
- EINECS:253-814-5
- Melting Point:155-157 °C
- Water Solubility:Soluble in acetone, ethanol, chloroform, dimethylsulfoxide and acetonitrile. Slightly soluble in water.
CAS No.38183-12-9 Fluorescamine
Assay:98%Min Appearance:detailed in specifications Package:according to the clients requirement Storage:Store in dry, dark and ventilated place. Transportation:by air or by ocean shipping Application:An important raw material and intermediate used in Organic Synthesis, Pharmaceuticals
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.38183-12-9 Spiro[furan-2(3H),1'(3'H)-isobenzofuran]-3,3'-dione,4-phenyl-/ LIDE PHARMA- Factory supply / Best price
Assay:98% Appearance:Whie powder Package:1kg/Al-foiled bag; 25kg/drum Storage:Storage: In well-closed container, protected from light and in cool & dry place. Transportation:By Air, by courier(FedEx,DHL,EMS),by sea Application:The product is used for pharmaceutical intermediates.
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.38183-12-9 Fluorescamine manufacturer
Assay:99% Appearance:powder or liquid Package:according to customer requirements Storage:store in dry dark and ventilated place Transportation:By Sea/Air/Courier Application:It is an important raw material.
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.38183-12-9 Fluorescamine
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.38183-12-9 Fluorescamine
Assay:99% Appearance:white powder Package:According to the customer's requestment Storage:Store in dry, dark and ventilated plac... Transportation:Fast! Safe! Promise 100% safe and successful transportation. Door to door transportation services. Application:Pharmaceutical intermediates
Min. Order:1Kilogram
Supplier:Zibo Dorne chemical technology co. LTD [
China (Mainland)] 
Assessed
SupplierTel:+86-18560316533
Address:No. 416, 4th floor, zhongguancun science and technology city, no. 1, west 6th road, zhangdian district
- Contact Suppliers
CAS No.38183-12-9 Fluorescamine CAS:38183-12-9
Assay:99% Appearance:Brown powder Package:According to customer requirements Storage:Avoid light, ventilation and shade Transportation:Sea or Air Application:It is an important raw material and intermediate
Min. Order:1Gram
Supplier:Qingdao Beluga Import and Export Co., LTD [
China (Mainland)] 
Assessed
SupplierTel:+8613854236000
Address:qingdao
- Contact Suppliers
CAS No.38183-12-9 Spiro[furan-2(3H),1'(3'H)-isobenzofuran]-3,3'-dione,4-phenyl-
Assay:99% Appearance:White fine powder Package:according to the clients requirement Storage:Store in dry dark and ventilated place Transportation:Transportation by express, air, sea; port mainly to Qingdao / Tianjin / Shanghai, or according to customer needs to send different ports and aviation. Application:It is an important raw material.
Min. Order:1Kilogram
Supplier:Shandong Hanjiang Chemical Co., Ltd. [
China (Mainland)] 
Assessed
SupplierTel:+86 18369939125
Address:No.25A Qilu Industrial Park
- Contact Suppliers
CAS No.38183-12-9 SAGECHEM/Fluram
Assay:99% Package:packing on demand Storage:normal temperature Transportation:BY EXPRESS, AIR OR SEA Application:SAGECHEM/Fluram
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.38183-12-9 Fluorescamine
Assay:NLT 98% Appearance:White powder Storage:Room temperature
Min. Order:0
Supplier:Hangzhou Huarong Pharm Co., Ltd. [
China (Mainland)] 
Assessed
SupplierTel:+86-571-86758373
Address:Room1101, Hakim International Building, Gongshu District, Hangzhou, Zhejiang Province, China.
- Contact Suppliers
CAS No.38183-12-9 Spiro[furan-2(3H),1'(3'H)-isobenzofuran]-3,3'-dione,4-phenyl-
Assay:99% Appearance:Off white to slight yellow solid Package:25kg/drum;200kg/drum Storage:Stored in shaded, cool and dry places Transportation:Sea/air/courier 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.38183-12-9 Fluorescamine
Assay:HPLC鈮?8% Appearance:powder Storage:Sealed in dry,Room Temperature Transportation:by express or by sea Application:for pharma use
Min. Order:0
Supplier:Hangzhou Shanyi Biotechnology Co., Ltd. [
China (Mainland)] 
Assessed
SupplierTel:s-086-18093761022
Address:Guodu Development Building
- Contact Suppliers
CAS No.38183-12-9 Fluorescamine
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.38183-12-9 Fluorescamine
Assay:99% Appearance:White powder Package:200/Kilograms Storage:Sealed and preserved Transportation:By sea Application:Fine chemical intermediates, used as the main raw material for the synthesis of various pesticides, medicines, surfactants, polymer monomers, and antifungal agents
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.38183-12-9 Fluorescamine, pure
Assay:99% Package:as per buyers Storage:R.T. Transportation:by air/sea Application:Reagent
Min. Order:0
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.38183-12-9 Fluorescamine
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.38183-12-9 Fluorescamine
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.38183-12-9 Spiro[furan-2(3H),1'(3'H)-isobenzofuran]-3,3'-dione,4-phenyl-
Assay:98% HPLC Package:1kg Application:pharmaceutical intermediates
Min. Order:0
Supplier:Hangzhou Dingyan Chem Co., Ltd [
China (Mainland)] Assessed
SupplierTel:86-571-87157530-8002
Address:RM.1118,NO.1 Building, Baiyun Tower,Jianggan Area, Hangzhou city, China,310004
- Contact Suppliers
CAS No.38183-12-9 Spiro[furan-2(3H),1'(3'H)-isobenzofuran]-3,3'-dione,4-phenyl-
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.38183-12-9 Spiro[furan-2(3H),1'(3'H)-isobenzofuran]-3,3'-dione,4-phenyl-
Assay:99% Package:drum Transportation:By Sea/Air/DHL Application:chemical
Min. Order:0
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.38183-12-9 Fluorescamine
Assay:99 Appearance:powder, or liquid Package:Bottle, barrel, cargo, container, etc. Storage:Stored in room temperature, ventilated place Transportation:By air, ship, express, etc. Application:Pharmaceuticals, intermediates, APIs, custom synthesis, chemicals
Min. Order:0
Supplier:LEAP CHEM Co., Ltd. [
China (Mainland)] Premium
SupplierTel:+852-30606658
Address:EASEY COMM BLDG 253-261 HENNESSY ROAD Hong Kong, China
- Contact Suppliers
CAS No.38183-12-9 Fluorescamine
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.38183-12-9 Fluorescamine
Assay:99% Application:API
Min. Order:0
Supplier:Xian Changyue Biological Technology Co., Ltd. [
China (Mainland)] Premium
SupplierTel:+86-029-62886900
Address:Keji Road NO.70
- Contact Suppliers
CAS No.38183-12-9 Fluorescamine
Assay:99% Application:API
Min. Order:0
Supplier:Hebei Muhuang Technology Co., Ltd [
China (Mainland)] Premium
SupplierTel:+8618332173750锛?8613191862208
Address:鐭冲搴勬ˉ瑗垮尯浠佸拰鍢夊洯3鍙锋ゼ1鍗曞厓702
- Contact Suppliers
CAS No.38183-12-9 Fluorescamine
Assay:99% Application:API
Min. Order:0
Supplier:DB BIOTECH CO., LTD [
China (Mainland)] Premium
SupplierTel:86--1829 2989 553
Address:No.99 Road, Xi'an, China
- Contact Suppliers
CAS No.38183-12-9 Fluorescamine
Assay:99% Application:API
Min. Order:0
Supplier:Wuhan Bright Chemical Co., Ltd. [
China (Mainland)] Premium
SupplierTel:+86-27-85804899
Address:Rm 9FC11,Caishen plaza,Hankou trainstation Wuhan,CN
- Contact Suppliers
CAS No.38183-12-9 Pharmaceutical Grade CAS 38183-12-9 with competitive 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:Chemical raw materials, pharmaceutical intermediates, cosmetic raw materials, etc.
Min. Order:1Kilogram
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.38183-12-9 Fluorescamine
Assay:99% Appearance:liquid or powder Package:according to the clients requirement Storage:Dry and Cool Place Transportation:UPS FedEx ,DHL,EXPRESS LINE Application:API
Min. Order:1Gram
Supplier:Shandong Mopai Biotechnology Co., LTD [
China (Mainland)] Premium
SupplierTel:+86-15965530500
Address:shandong
- Contact Suppliers
CAS No.38183-12-9 Fluorescamine
Assay:99.0% Appearance:Clear, colorless liquid Package:according to your requirement Storage:Store in a dry, dark and ventilated place Transportation:by air/by sea /by train Application:lt is an important raw material and intermediate used in Organic Synthesis, Pharmaceuticals, Agrochemicals and Dyestuff.
Min. Order:1Kilogram
Supplier:Suzhou Senfeida Chemical Co., Ltd [
China (Mainland)] Premium
SupplierTel:186-624-33356
Address:Hushuguan Economic and Technological Development Zone, Suzhou High-tech Zone
- Contact Suppliers
CAS No.38183-12-9 Amadis Chemical offer CAS#38183-12-9;CAT#A853839
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.38183-12-9 Fluorescamine
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.38183-12-9 Acmec Fluorescamine F82800 500mg
Assay:Biotechnology grade锛?8% Appearance:See the datasheet Package:500mg 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.38183-12-9 Factory Supply Fluorescamine
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:0
Supplier:Ality Chemical Corporation [
China (Mainland)] Premium
SupplierTel:86-(0)592-8883942
Address:Fine chemical industry park, Nantong,Jiangsu
- Contact Suppliers
CAS No.38183-12-9 Fluorescamine
Assay:95% Appearance:Powder Package:according to the clients requirement Storage:Room temperature with sealed well Transportation:by sea or by air Application:Use as primary and secondary intermediate
Min. Order:0
Supplier:BOC Sciences [
United States] Premium
SupplierTel:1-631-485-4226
Address:Ramsey Road
- Contact Suppliers
CAS No.38183-12-9 Fluorescamine 38183-12-9
Assay:96% Appearance:solid or liquid Package:Foil bag; Drum; Plastic bottle Storage:in sealed air resistant place Transportation:by sea or air Application:Pharma;Industry;Agricultural
Min. Order:0
Supplier:Hunan Russell Chemicals Technology Co.,Ltd [
China (Mainland)] Premium
SupplierTel:0086-182-2994-0868
Address:Buiding4,Lugu Enterprise Plaza, Yuelu Distric
- Contact Suppliers
CAS No.38183-12-9 Fluorescamine CAS No.38183-12-9
Assay:99.90% Appearance:solid or liquid Package:As customer's requested Storage:sealed in cool and dry place Transportation:by courier/air/sea Application:Pharma Intermediate
Min. Order:0
Supplier:Guangdong Juda Chemical Industrial Co.,Limited [
China (Mainland)] Premium
SupplierTel:+86-15527996628
Address:Guangzhou chemical city Tianhe District Guangzhou Guangdong China
- Contact Suppliers
CAS No.38183-12-9 Fluorescamine 38183-12-9
Assay:96% Appearance:solid or liquid Package:Foil bag; Drum; Plastic bottle Storage:in sealed air resistant place Transportation:by sea or air Application:Pharma;Industry;Agricultural
Min. Order:0
Supplier:Shenzhen Foris Technology Co. LTD [
China (Mainland)] Premium
SupplierTel:+86 15889746615
Address:BuildingA7, KingloryTongxin International Industry Park, Wanglei Avenue, Hi-tec District
- Contact Suppliers
CAS No.38183-12-9 Fluorescamine manufacturer
Assay:99% 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.38183-12-9 Fluorescamine
Appearance:95%+ Package:R&D,Pilot run Transportation:per client require
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.38183-12-9 Fluoresamine
Assay:鈮?5% Appearance:100mg Package:Brown glass bottle Transportation:By Air Application:Laboratory analysis/Instrument calibration/Quality control
Min. Order:0
Supplier:Weiyel Inc [
China (Mainland)] Premium
SupplierTel:86-86-15672728568
Address:shangchengxianqinggongyeyuanqu
- Contact Suppliers
CAS No.38183-12-9 Fluorescamine
Assay:99% Application:API
Min. Order:0
Supplier:NUTROCHEM- MANUFACTURE PLACE [
South Africa] Premium
SupplierTel:27-838631975
Address:Stasieweg 019 Bethal Bethal Mpumalanga
- Contact Suppliers
CAS No.38183-12-9 FluorescaMine [for HPLC Labeling]
Assay:98% Package:According to the demand of customer Storage:Sealed, dry, microtherm , avoid light and smell. Transportation:by air or by sea Application:Organic synthesis
Min. Order:0
Supplier:Henan Allgreen Chemical Co.,Ltd [
China (Mainland)] Premium
SupplierTel:+86-0371-87507775
Address:No 260 Dongming Road,Jinshui District
- Contact Suppliers
- ORCHID CHEMICAL SUPPLIES LTD
Other Product
- 217177-66-7/Ch 88-2
- 66338-51-0/4-acetyl-2-methoxyphenyl methanesulfonate
- 5110-45-2/N-(diphenylethenylidene)-4-methylaniline
- 10110-86-8/Estra-4,9,11-trien-3-one,17-hydroxy-7,17-dimethyl-, (7a,17b)- (9CI)
- 140694-43-5/(2-{(1S,2R,3aS,7aS)-2-hydroxy-1-[(3S)-3-hydroxy-4,4-dimethylnona-1,6-diyn-1-yl]-2,3,3a,6,7,7a-hexahydro-1H-inden-5-yl}ethoxy)acetic acid
- 122452-75-9/Naphtho[2,3-b]furan-2,5,6(3H)-trione,3,3,4-trimethyl-7-(1-methylethyl)-
- 30369-57-4/4-[(4-chlorophenyl)sulfanyl]-6-(trichloromethyl)-1,3,5-triazin-2-amine
- 14961-49-0/Pyrimidine,2,2'-[1,6-hexanediylbis(thio)]bis[4,6-dimethyl- (9CI)
- 22435-09-2/1,2,3,4-tetra-O-benzoylpentopyranose
- 10241-05-1/MOLYBDENUM(V) CHLORIDE
- 91080-26-1/Quaternary ammonium compounds, benzylbis(hydroxyethyl)tallow alkyl, chlorides
- 14067-62-0/cadmium hydrogen phosphate
- 445-66-9/4-AMINO-3,5-DINITROBENZOTRIFLUORIDE
- 94160-13-1/decamethylene dibenzoate
- 6854-01-9/diethyl quinolin-8-yl phosphate
- 70209-85-7/(3aR,4R,6Z,8S,10Z,11aR)-8-hydroxy-6,10-dimethyl-3-methylidene-2-oxo-2,3,3a,4,5,8,9,11a-octahydrocyclodeca[b]furan-4-yl (2E)-2-(hydroxymethyl)but-2-enoate
- 112767-69-8/2-(1,3-dimethyl-2,6-dioxo-1,2,3,6-tetrahydro-7H-purin-7-yl)-N-(2-hydroxy-1,1-dimethylethyl)acetamide
- 87942-19-6/4-phenyl-4H-1,3,4-thiadiazin-5(6H)-one
- 14093-04-0/Iron, isotope of mass52
- 38183-12-9/Fluorescamine
- 189100-15-0/2-Butenoic acid,2-methyl-,(3S,3aS,4S,4aS,5R,- 6S,8aR,9aS)-decahydro-3,4a,5-trimethyl-6- [[(2Z)-3-(methylthio)-1-oxo-2-propenyl]oxy]- 1-oxo-3a,9a-epoxynaphtho[2,3-b]furan-4-yl ester,(2Z)-
- 54535-60-3/N-[2-(pentanoylamino)ethyl]pentanamide
- 68140-05-6/Polyphosphoric acids, esters with alpha,alpha,alpha-(nitrilotri-2,1-ethanediyl)tris(omega-hydroxypoly(oxy-1,2-ethanediyl)), compds. with ethanolamine
- 27832-15-1/10H-Phenothiazine,10-[3-(4-methyl-4-oxido-1-piperazinyl)propyl]-
- 7065-83-0/N-(3,5-dichlorophenyl)-5-(piperidin-1-ylsulfonyl)pyridin-2-amine
- 119446-38-7/6H-Imidazo[1,5-a][1,4]benzodiazepin-6-one,7-chloro-4,5-dihydro-3-(3-hydroxy-1-propyn-1-yl)-5-methyl-
- 35933-05-2/Nivadiol
- 27134-20-9/Dodecylbenzenesulphonic acid, compound with 2-((2-aminoethyl)amino)ethanol
- 87049-14-7/1-{2,6-bis[3-(tert-butylamino)-2-hydroxypropoxy]phenyl}ethanone
- 87141-10-4/N-butyldodecan-1-amine