Company Profile
Beijing Keyifeng (KYF) Biotech Develop. Co., Ltd.,founded in August 2000, is a high-tech enterprise integrating R&D, production and marketing into whole. The company situated at the industrial area of Tongzhou District, Beijing city, covers an area of 22000 m2, consists of 1 pilot plant, 3 multipurpose manufacturing plant (2 chemical synthesis, 1 bio-synthesis) and 1 power-supply plant, with the support of necessary advanced instruments for QC/QA, microbial and chemical R&D lab as well as several functional sectors. Following years of expansion and development, Beijing Keyifeng has become a leader in the R&D and production of steroids API and its intermediates. According to market request abroad, leading by R&D and emphasizing in commercialization of novel products and process innovation, KYF has over twenty products available and has developed into a based on R&D and manufacturing, comprehensive and strength entity. As a US FDA approved and GMP certificated enterprise, KYF’s high potency products such as Levonorgestrel, Ethinylestradiol, Desogestrel, Gestodene, Estriol, Trenbolone Acetate, Norgestimate, Altrenogest, Lynestrenol, Melengestrol Acetate, Estradiol, etc. have been supplied to Europe, North/South America, Asian-Pacific, Hong Kong, Taiwan and other countries/areas. With business essence based on products quality, abiding by enterprise prestige and aiming at both win, KYF will sincerely serve for all domestic and oversea customers.
VIEW MORE VIEW LESSProduct List
| Product Name | Synonyms | CAS No. | Grate/Content | Operate |
|---|---|---|---|---|
Allylestrenol |
Estr-4-en-17-ol,17-(2-propen-1-yl)-,(17β)-;Estr-4-en-17β-ol,17-allyl-;Estr-4-en-17-ol,17-(2-propenyl)-,(17β)-;(17β)-17-(2-Propen-1-yl)estr-4-en-17-ol;Allylestrenol;17α-Allylestr-4-en-17β-ol;17α-Allyl-17β-hydroxy-Δ4-estren;Gestanin;Gestanon;17α-Allylestrenol;Gestanol;Orageston;Turinal;17α-Allyl-4-oestren-17β-ol;NSC 37723;26624-23-7 |
432-60-0 | Inquiry | |
Altrenogest |
Estra-4,9,11-trien-3-one,17-hydroxy-17-(2-propen-1-yl)-,(17β)-;Estra-4,9,11-trien-3-one,17α-allyl-17-hydroxy-;Estra-4,9,11-trien-3-one,17-hydroxy-17-(2-propenyl)-,(17β)-;(17β)-17-Hydroxy-17-(2-propen-1-yl)estra-4,9,11-trien-3-one;DRC 6246;Allyltrenbolone;R 2267;RU 2267;Altrenogest;Regumate;A 35957;Matrix;Matrix (progestogen) |
850-52-2 | Inquiry | |
D(1)-18-Methyl-3-methoxy-estra-2,5(10)-dien-17-one |
Gona-2,5(10)-dien-17-one,13-ethyl-3-methoxy-;13-Ethyl-3-methoxygona-2,5(10)-dien-17-one;13-β-Ethyl-3-methoxy-gona-2,5(10)-dien-17-one |
2322-77-2 | Inquiry | |
D(1)-18-Methyl-estr- 4-ene-3,17-dione |
Gon-4-ene-3,17-dione,13-ethyl-;13-Ethylgon-4-ene-3,17-dione;13β-Ethylgon-4-en-3,17-dione;(+)-13-Ethylgon-4-ene-3,17-dione;13β-Ethylgon-4-ene-3,17-dione;18-Methyl-19-norandrost-4-ene-3,17-dione;(+)-13β-Ethylgon-4-ene-3,17-dione;18-Methylestr-4-ene-3,17-dione;18a-Homo-19-norandrost-4-ene-3,17-dione |
21800-83-9 | Inquiry | |
D(1)-18-Methyl-estra-4,9-diene-3,17-dione |
ethyldienedione;D(-)-18-METHYL-ESTRA-4,9-DIENE-3,17-DIONE;METHYLESTRADIENEDIONE;D(1)-18-Ethyl-estra-4,9-diene-3,17-dione |
20799-05-7 | Inquiry | |
Desogestrel |
18,19-Dinorpregn-4-en-20-yn-17-ol,13-ethyl-11-methylene-,(17α)-;(17α)-13-Ethyl-11-methylene-18,19-dinorpregn-4-en-20-yn-17-ol;17-Ethynyl-18-methyl-11-methyleneestr-4-en-17β-ol;Org 2969;13-Ethyl-11-methylene-18,19-dinor-17α-4-pregnen-20-yn-17-ol;Desogestrel;Cerazette;Dicromil;Cyclosa;Marvelon 150/320;(+)-Desogestrel;(+)-13β-Ethyl-17α-ethynyl-11-methylenegon-4-en-17β-ol |
54024-22-5 | Inquiry | |
Drospirenone |
Spiro[17H-dicyclopropa[6,7:15,16]cyclopenta[a]phenanthrene-17,2′(5′H)-furan]-3,5′(2H)-dione,1,3′,4′,6,7,8,9,10,11,12,13,14,15,16,20,21-hexadecahydro-10,13-dimethyl-,(2′S,6R,7R,8R,9S,10R,13S,14S,15S,16S)-;Spiro[17H-dicyclopropa[6,7:15,16]cyclopenta[a]phenanthrene-17,2′(5′H)-furan]-3,5′(2H)-dione,1,3′,4′,6,7,8,9,10,11,12,13,14,15,16,20,21-hexadecahydro-10,13-dimethyl-,[6R-(6α,7α,8β,9α,10β,13β,14α,15α,16α,17β)]-;(2′S,6R,7R,8R,9S,10R,13S,14S,15S,16S)-1,3′,4′,6,7,8,9,10,11,12,13,14,15,16,20,21-Hexadecahydro-10,13-dimethylspiro[17H-dicyclopropa[6,7:15,16]cyclopenta[a]phenanthrene-17,2′(5′H)-furan]-3,5′(2H)-dione;1,2-Dihydrospirorenone;Drospirenone;Dihydrospirorenone;ZK 30595;3-Oxo-6β,7β:15β,16β-dimethylene-17α-pregn-4-en-21,17-carbolactone;BRN 4765500;CCRIS 6523;Drospirenona;6β,7β:15β,16β-Dimethylene-3-oxo-17α-pregn-4-ene-21,17-carbolactone;17β-Hydroxy-6β,7β:15β,16β-dimethylene-3-oxo-17α-pregn-4-ene-21-carboxylic acid γ-lactone |
67392-87-4 | Inquiry | |
Eplerenone |
Pregn-4-ene-7,21-dicarboxylic acid,9,11-epoxy-17-hydroxy-3-oxo-,γ-lactone,7-methyl ester,(7α,11α,17α)-;Pregn-4-ene-7,21-dicarboxylic acid,9,11-epoxy-17-hydroxy-3-oxo-,γ-lactone,methyl ester,(7α,11α,17α)-;Spiro[9,11-epoxy-9H-cyclopenta[a]phenanthrene-17(2H),2′(3′H)-furan],pregn-4-ene-7,21-dicarboxylic acid deriv.;CGP 30083;SC 66110;Eplerenone;SC 6110;Epoxymexrenone;Inspra;Selara;(+)-Eplerenone |
107724-20-9 | Inquiry | |
Estra-4,9-diene-3,17-dione |
Estra-4,9-diene-3,17-dione;19-Norandrosta-4,9-diene-3,17-dione;Trena |
5173-46-6 | Inquiry | |
Estradiol |
Estra-1,3,5(10)-triene-3,17-diol (17β)-;Estradiol;(17β)-Estra-1,3,5(10)-triene-3,17-diol;Altrad;Bardiol;Beta-estradiol;Dihydrofollicular hormone;Dihydrofolliculin;Dihydromenformon;Dihydrotheelin;Dihydroxyestrin;Diogyn;Diogynets;3,17-Epidihydroxyestratriene;Estraldine;Dimenformon;Estrovite;Femestral;Femogen;Gynergon;Gynoestryl;Lamdiol;Macrodiol;Nordicol;Oestergon;Oestradiol;Oestroglandol;Ovahormon;Ovasterol;Ovastevol;Ovocyclin;Primofol;Profoliol;Progynon;Progynon DH;Syndiol;Theelin,dihydro-;Estra-1,3,5(10)-triene-3,17β-diol;Ginosedol;Estra-1,3,5(10)-triene-3,17-diol,(17β)-;β-Estradiol;(+)-3,17β-Estradiol;Oestra-1,3,5(10)-triene-3,17β-diol;3,17β-Dihydroxyestra-1,3,5(10)-triene;3,17β-Estradiol;Perlatanol;Aquadiol;Follicyclin;Corpagen;17β-Oestradiol;Estradiol-17β;Estrace;Compudose;Estraderm;Compudose 365;E 2;Compudose 200;Estrogel;Estraderm TTS;Oestrogel;Menorest;Systen;Evorel;Climaderm;13β-Methyl-1,3,5(10)-gonatriene-3,17β-ol;Estraderm TTS 50;Epiestriol 50;Estroclim 50;Dermestril;Climara;Oesclim;17β-Estradiol;Encore;Aerodiol;Divigel;Sandrena 1;Vagifem;Gelestra;Estraderm TTS 100;Zumenon;Vivelle;NSC 9895;Profoliol B;Ovocylin;Estring Vaginal Ring;Estroclim;Estradot;Femanest;Estrogel HBF;Absorlent Matrix;FemSeven;Estrapatch;Estraderm MX;Alora;Estasorb;Estredox;Estreva;Bio-E Gel;Benzogynestry;Estropause;Menostar;Evamist;Zesteem;Compudose 400;Compudose 100;Vivelle-Dot;Sprediol;Elestrim;873662-39-6;1050677-52-5;1206475-11-7 |
50-28-2 | Inquiry | |
Estradiol Valerate |
Estra-1,3,5(10)-triene-3,17-diol (17β)-,17-pentanoate;Estradiol,17-valerate;Estradiol valerate;Delahormone unimatic;Delestrogen 4x;Estra-1,3,5(10)-triene-3,17β-diol 17-valerate;Estradiol 17β-valerate;Estradiol valerianate;Progynon-Depot;3-Hydroxy-17β-valeroyloxyestra-1,3,5(10)-triene;Atladiol;Deladiol;Progynova;Estraval;Femogex;Neofollin;Pharlon;Dura-Estradiol;Delestrogen;Primogyn-Depot;Nuvelle;Oestradiol valerinate;Pelanin Depot;Gynogen LA;Gynogen LA 40;NSC 17590;Valergen;Climaval;Primofol-Depot;Gynokadin;Meriestra;Valest;907-12-0;69557-95-5 |
979-32-8 | Inquiry | |
Estriol |
Estra-1,3,5(10)-triene-3,16,17-triol,(16α,17β)-;Estriol;(16α,17β)-Estra-1,3,5(10)-triene-3,16,17-triol;Destriol;Estra-1,3,5(10)-triene-3,16α,17β-triol;Estratriol;Follicular hormone hydrate;OE3;Ovestin;Theelol;Tridestrin;3,16α,17β-Trihydroxyestra-1,3,5(10)-triene;Trihydroxyestrin;16α,17β-Estriol;3,16α,17β-Estriol;NSC 12169;16α-Estriol;16α-Hydroxyestradiol;Holin V;13β-Methyl-1,3,5(10)-gonatriene-3,16α,17β-triol;Oestriol;Colpogyn;Ortho-Gynest;Gynasan;Aacifemine;Oekolp;Triovex;Hormomed;Klimoral;Klimax E;Ovesterin;Ovo-Vinces;Incurin;Estriel;Ovestrion;1050676-52-2 |
50-27-1 | Inquiry | |
Estrone |
Estra-1,3,5(10)-trien-17-one,3-hydroxy-;Estrone;3-Hydroxyestra-1,3,5(10)-trien-17-one;Aquacrine;Crinovaryl;Cristallovar;Crystogen;Destrone;Disynformon;Endofolliculina;1,3,5(10)-Estratrien-3-ol-17-one;Estrugenone;Estrusol;Femestrone injection;Femidyn;Folikrin;Folipex;Folisan;Follestrine;Follicular hormone;Folliculin;Follicunodis;Follidrin;Glandubolin;Hiestrone;Hormofollin;Hormovarine;3-Hydroxy-17-keto-estra-1,3,5-triene;Kestrone;Ketodestrin;Ketohydroxyestrin;Kolpon;Menagen;Menformon;Oestrin;Oestroform;Oestrone;Oestroperos;Ovifollin;Perlatan;Solliculin;Theelin;Thelykinin;Thynestron;Wynestron;Unden;3-Hydroxyoestra-1,3,5(10)-trien-17-one;3-Hydroxyestra-1,3,5(10)-triene-17-one;Estrovarin;Estron;Tokokin;Follestrol;Δ1,3,5(10)-Estratrien-3-ol-17-one;(+)-Estrone;Femestrone Inj.;Thelestrin;Fermidyn;NSC 9699;Folliculin (steroid);WAY 164397;Folliculinum;(8R,9S,13S,14S)-3-Hydroxy-13-methyl-6,7,8,9,11,12,13,14,15,16-decahydro-17H-cyclopenta[a]phenanthren-17-one;37242-41-4 |
53-16-7 | Inquiry | |
Ethinylestradiol |
19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol,(17α)-;19-Nor-17α-pregna-1,3,5(10)-trien-20-yne-3,17-diol;(17α)-19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol;Amenoron;Chee-O-Genf;Diogyn E;Dyloform;Esteed;Estigyn;Estinyl;Eston-E;Estorals;Estradiol,17-ethynyl-;neo-Estrone;Ethidol;Ethinoral;17α-Ethinyl-3,17-dihydroxy-Δ1,3,5-estratriene;Ethinylestradiol;17-Ethinyl-3,17-estradiol;17α-Ethinylestradiol;17α-Ethinylestra-1,3,5(10)-triene-3,17β-diol;Ethinyloestradiol;17-Ethynyl-3,17-dihydroxy-1,3,5-oestratriene;Ethynylestradiol;17-Ethynylestradiol;17-Ethynylestra-1,3,5(10)-triene-3,17β-diol;17α-Ethynylestra-1,3,5(10)-triene-3,17β-diol;Eticyclin;Eticyclol;Etinestrol;Etinestryl;Etinoestryl;Ginestrene;Inestra;Linoral;Lynoral;Menolyn;Novestrol;Oradiol;Orestralyn;Palonyl;Perovex;Primogyn;Progynon C;Primogyn C;Primogyn M;17-Ethinylestradiol;17α-Ethinyl-17β-estradiol;17α-Ethinyl-1,3,5(10)-estratriene-3,17-diol;17α-Ethynylestradiol;17-Nor-17α-pregna-1,3,5-(10)-trien-20-yne-3,17-diol;Chee-O-Gen;Estoral;Etistradiol;Spanestrin;Follicoral;Microfollin;19-Nor-17α-pregna-1,3,5(10)-trien-20-yne-3,17β-diol;Ethynyloestradiol;Prosexol;NSC 10973;Gynofen;17α-Ethynylestra-3,17β-diol;Acetylene estradiol;Novinet;17α-Ethinyl estradiol (EE2);77538-56-8;406932-93-2;1050678-65-3 |
57-63-6 | Inquiry | |
Gestodene |
18,19-Dinorpregna-4,15-dien-20-yn-3-one,13-ethyl-17-hydroxy-,(17α)-;(17α)-13-Ethyl-17-hydroxy-18,19-dinorpregna-4,15-dien-20-yn-3-one;Gestodene;WL 70;SHB 331;Gestinol;110541-55-4 |
60282-87-3 | Inquiry | |
Levonorgestrel |
18,19-Dinorpregn-4-en-20-yn-3-one,13-ethyl-17-hydroxy-,(17α)-;18,19-Dinor-17α-pregn-4-en-20-yn-3-one,13-ethyl-17-hydroxy-;(17α)-13-Ethyl-17-hydroxy-18,19-dinorpregn-4-en-20-yn-3-one;13-Ethyl-17α-ethynylgon-4-en-17β-ol-3-one;13β-Ethyl-17α-ethynyl-17β-hydroxygon-4-en-3-one;19-Nortestosterone,17-ethynyl-18-methyl-;17β-Hydroxy-18-methyl-19-nor-17α-pregn-4-en-20-yn-3-one;18-Methyl-17α-ethynyl-19-nortestosterone;17α-Ethynyl-17-hydroxy-18-methylestr-4-en-3-one;17α-Ethynyl-18-methyl-19-nortestosterone;13-Ethyl-17α-ethynyl-17-hydroxygon-4-en-3-one;13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-4-en-20-yn-3-one;17α-Ethynyl-18-homo-19-nortestosterone;13-Ethyl-17-ethynyl-17β-hydroxy-4-gonen-3-one;17α-Ethynyl-13β-ethyl-3-oxo-4-estren-17β-ol;Levonorgestrel;17α-Ethynyl-13-ethyl-19-nortestosterone;Norplant;Follistrel;D-(-)-Norgestrel;Norplant 2;18-Methylnorethindrone;Microluton;(-)-Norgestrel;D-Norgestrel;Norplant II;Levonova;Jadelle;Norlevo;Mirena;Norgestrelem;Wy 5104;Microlut;Norgeston;Dexnorgestrel;Microval;Postinor 2;Lng-IUS;d-(17α)-17-Hydroxy-13-ethyl-18,19-dinorpregn-4-en-20-yn-3-one;Femilis;Femilis Slim;Sino-implant (II);Plan B One-Step;Skyla;Jaydess;121714-72-5;797-62-6;4222-79-1;1050679-25-8 |
797-63-7 | Inquiry | |
Lynestrenol |
19-Norpregn-4-en-20-yn-17-ol,(17α)-;19-Nor-17α-pregn-4-en-20-yn-17-ol;(17α)-19-Norpregn-4-en-20-yn-17-ol;3-Desoxy-17α-ethinyl-19-nortestosterone;17α-Ethinyl-17β-hydroxy-Δ4-estrene;17α-Ethynyl-19-nor-4-androsten-17β-ol;Linestrenol;Lynestrenol;Orgametril;17α-Ethynylestrenol;Δ4-17α-Ethinylestren-17β-ol;Ethynylestrenol;17α-Ethynylestr-4-en-17β-ol;17-Ethynylestr-4-en-17β-ol;17α-Ethynyl-17β-hydroxyestr-4-ene;3-Desoxynorlutin;Orgametil;Exlutona;Exluton;Orgametrol;Org 485-50;17α-Ethynyl-17β-hydroxy-Δ4-estrene;Ovoresta M;Physiostat;Ovamezzo;Fysionorm;Exlutena;NSC 37725;Ovoresta;NSC 73879;60416-16-2 |
52-76-6 | Inquiry | |
Melengestrol Acetate |
Pregna-4,6-diene-3,20-dione,17-(acetyloxy)-6-methyl-16-methylene-;Pregna-4,6-diene-3,20-dione,17-hydroxy-6-methyl-16-methylene-,acetate;17-(Acetyloxy)-6-methyl-16-methylenepregna-4,6-diene-3,20-dione;BDH 1921;5373;NSC-70968;17α-Acetoxy-6-methyl-16-methylenepregna-4,6-diene-3,20-dione;6-Dehydro-16-methylene-17α-hydroxy-6α-methylprogesterone acetate;17-Hydroxy-6-methyl-16-methylenepregna-4,6-diene-3,20-dione acetate;Melengestrol acetate;MGA;6-Methyl-16-methylene-17α-hydroxy-4,6-pregnadiene-3,20-dione 17-acetate;17-Acetoxy-6-methyl-16-methylenepregna-4,6-diene-3,20-dione;MGA 100 (steroid);MGA 100;Heifermax 500;MGA 264 |
2919-66-6 | Inquiry | |
Mestranol |
19-Norpregna-1,3,5(10)-trien-20-yn-17-ol,3-methoxy-,(17α)-;19-Nor-17α-pregna-1,3,5(10)-trien-20-yn-17-ol,3-methoxy-;(17α)-3-Methoxy-19-norpregna-1,3,5(10)-trien-20-yn-17-ol;33355;Ethynylestradiol 3-methyl ether;17α-Ethynylestradiol 3-methyl ether;17-Ethynyl-3-methoxy-1,3,5(10)-estratrien-17β-o1;17α-Ethynyl-3-methoxy-17β-hydroxy-Δ1,3,5(10)-estratriene;Mestranol;3-Methoxy-17α-ethinylestradiol;3-Methoxyethynylestradiol;3-Methoxy-19-nor-17α-pregna-1,3,5(10)-trien-20-yn-17-ol;δ-MVE;3-Methoxy-17α-ethynylestradiol;SC 4725;17α-Ethinylestradiol 3-methyl ether;Ethinylestradiol 3-methyl ether;3-Methoxy-19-nor-17α-pregna-1,3,5(10)-trien-20-yn-17β-ol;17α-Ethynylestradiol methyl ether;17-Ethynylestradiol 3-methyl ether;17-Ethynyl-3-methoxyestra-1,3,5(10)-trien-17β-ol;17α-Ethynyl-3-methoxy-1,3,5(10)-estratrien-17β-ol;Norquen;Ovastol;3-Methylethynylestradiol;Ethynylestradiol methyl ether;3-O-Methylethynylestradiol;8027 C. B.;Devocin;Inostral;Ethynylestradiol 3-monomethyl ether;Menophase;EE 3ME;NSC 84032;3-O-Methyl-17α-ethynylestradiol;(8R,9S,13S,14S,17R)-17-Ethynyl-3-methoxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-ol;43085-54-7;53445-46-8 |
72-33-3 | Inquiry | |
Nomegestrol |
19-Norpregna-4,6-diene-3,20-dione,17-hydroxy-6-methyl-;17-Hydroxy-6-methyl-19-norpregna-4,6-diene-3,20-dione;Nomegestrol;TX 071;Monaco;Thermex |
58691-88-6 | Inquiry |
CONTACT INFORMATION
Sign In for Details