Rays Bio Tech

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Our Products

Pharmaceutical Intermediates

PRODUCTSCAS NO.
1,1,1,3,3,3-hexafluro-2-propanol920-66-1
1,2,4-Triazole 95%-99%288-88-0
1,2-Benzisothiazol-3(2H)-one (BIT)2634-33-5
1,2-Diethoxybenzene (ODBE)2050-46-6
1-Bromo-3-chloropropane (BCP)109-70-6
2,2,2,-Trifluoroethanol (TFE)75-89-8
3,5-Lutidine591-22-0
3-Methoxy-1-Propanol1589-49-7
Acetonitrite75-05-08
Acetyl Chloride75-36-5
Alpha Naphthol90-15-3
Amantadine hydrochloride768-94-5
Ammonium Formate540-69-2
Benzaldehyde100-52-7
Benzoic Acid65-85-0
Benzophenone119-61-9
Benzoyl Chloride98-88-4
Benzylamine100-46-9
Cyclopentanone120-92-3
Cytidine65-46-3
Cytidine-5-Monophosphate63-37-6
Cytosine71-30-7
D (+) Tryptophan153-94-6
Dibenzyl amine103-49-1
DIBOC24424-99-5
Diethyl Matonate (DEM)105-53-3
Dimethyl Carbonate (DMC)616-38-6
Dimethyl Malonate (DMM)108-59-8
D-Serine312-84-5
Ethyl ChloroFormate (ECF)541-41-3
Glyoxylic Acid 40%298-12-4
Hydroxylamine hydrochloride5470-11-1
HMDS999-97-3
HPMC E, K, M9004-65-3
Imidazole288-32-4
Iso butyramide563-83-7
Iso valeraldehyde590-86-3
L-(-)-Camphor sulfonic Acid35963-20-3
L-Phenylalanine63-91-2
L-Serine56-45-1
Maltol118-71-8
Methyl ChloroFormate (MCF)79-22-1
Methane Sulphonic Acid (MSA)75-75-2
Methyl Salicylate119-36-8
N, N- Dimethyl Acetamide127-19-5
N, N-dicyclohexylcarbodimide (DCC)538-75-0
N-methyl-2-pyrrolidone2687-44-7
P-Anisidine104-94-9
PVPK 309003-39-8
Salicylaldehyde90-02-8
Triphenyl Phosphine (TPP)603-35-0
3-Acetyl Pyridine350-03-8
4-Bromobenzaldehyde1122-91-4
N,n-Dicyclohexylcarbodimide (DCC538-75-0
N,N-Dimethyl Aminopropyl Chloride HCL5407-04-5
4-Dimethyl-1,3-Dioxol-2-one37830-90-3
3-triphenyl-methyl -5(4-bromo methyl) (1,1-biphenyl)-4yl-1H-Tetrazole (TTBB)124750-51-2
1-(6-methyl-3-pridinyl)-2- [(4- methylsulfonyl)phenyl]221615-75-4
1-(3-Dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride25952-53-8
Salicylic Acid69-72-7
Sodium Metal7440-23-5
Sodium Saccharin128-44-9
Sucralose56038-13-2
Tri Ethyl Ortho Formate (TFOF)122-51-0
Thiophenol108-95-8
Tri Methyl Ortho Formate (TMOF)149-73-5
Trifluoracetic Acid407-25-0
Trimethyl Borate121-43-70
Triphenylphosphine oxide (TPPO)791-28-6
Triphosgene32315-10-9
Uracil66-22-8
y-Butyrolactone96-48-0
Febuxostat intermediates
4-Hydroxythiobenzamide25984-63-8
Ethyl 2-(4-hydroxyphenyl)-4-methylthiazole-5-carboxylate161797-99-5
Ethyl 2-(3-formyl-4-hydroxyphenyl)-4-methylthiazole-5-carboxylate161798-01-2
Ethyl 2-(3-Formyl-4-isobutoxyphenyl)-4-Methylthiazole-5-Carboxylate161798-03-4
Ethyl 2-(3-cyano-4-isobutoxyphenyl)-4-methyl-5-thiazolecarboxylate160844-75-7
  
Vonoprazan fumarate intermediates
1H-Pyrrole-3-carboxaldehyde, 5-(2-fluorophenyl)-881674-56-2
Pyrid ine-3- sufonwyi chloride16133-25-8
2,3,4,6-Tetrakis-O-trimethylsilyl-D-gluconolactone32384-65-9
(5-Bromo-2-chlorophenyl)(4-fluorophenyl)methanone915095-85-1
(2-Chloro-5-iodophenyl)(4-fluorophenyl)methanone915095-86-2
(S)-(2-Chloro-5-iodophenyl)(4-(tetrahydrofuran-3-yloxy)phenyl)methanone915095-87-3
(S)-(5-broMo-2-chlorophenyl)(4-(tetrahydrofuran-3-yloxy)phenyl)Methanone915095-84-0
(3S)-3-[4-[(2-Chloro-5-iodophenyl)methyl]phenoxy]tetrahydro-furan915095-94-2
(3S)-3-[4-[(5-Bromo-2-chlorophenyl)methyl]phenoxy]tetrahydro-furan915095-89-5
Acetoxy Empagliflozin915095-99-7
  
Dapagliflozin intermediates
5-bromo-2-chloro-4′-ethoxydiphenylmethane461432-23-5
1-chloro-2-[(4-ethoxyphenyl)methyl]-4-iodo-Benzene1103738-29-9
(2R,3R,4R,5S,6S)-2-(Acetoxymethyl)-6-(4-chloro-3-(4-ethoxybenzyl)phenyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate461432-25-7
2,6-Dihydroxy-3-methylpurine1076-22-8
8-Bromo-3-methyl-3,7-dihydropurine-2,6-dione93703-24-3
8-bromo-7-(but-2-ynyl)-3-methyl-1H-purine-2,6(3H,7H)-dione666816-98-4
(R)-3-(Boc-Amino)piperidine309956-78-3
2-(chloromethyl)-4-methylquinazoline109113-72-6
1-bromo-2-butyne3355-28-0
  
Trelagliptin & Alogliptin intermediates 
6-Chloro-3-methyluracil4318-56-3
2-Cyano-5-Fluorobenzyl Bromide421552-12-7
(R)-3-Piperidinamine dihydrochloride334618-23-4
  
  
Azilsartan & Candesartan Cilexetil intermediates
Methyl 1-[(2′-cyanobiphenyl-4-yl)methyl]-2-ethoxy-1H-benzimidazole-7-carboxylate139481-44-0
Ethyl-2-ethoxy-1-[[(2′-cyanobiphenyl-4-yl) methyl] benzimidazole]-7-carboxylate139481-41-7
Methyl 2-((tert-butoxycarbonyl)-amino)-3-nitrobenzoate57113-90-3
Ethyl2-((tert-butoxycarbonyl)amino)-3-nitrobenzoate136285-65-9
Methyl2-((2′-cyanobiphenyl-4-yl)methylamino)-3-nitrobenzoate139481-28-0
2-[[(2-Cyano[1,1-biphenyl]-4-yl)methyl]amino]-3-nitro-benzoic acid ethyl ester136285-67-1
2-ethoxy-1-((2′-((hydroxyamino)iminomethyl)(1,1′-biphenyl)-4-yl)methyl)-1h-benzimidazole-7-carboxylic acid methyl ester147403-65-4
1-((2′-(2,5-dihydro-5-oxo-1,2,4-oxadiazol-3-yl)(1,1′-biphenyl)-4-yl)methyl)-2-ethoxy-1h-benzimidazole-7-carboxylic acid methyl ester147403-52-9
Methyl-2-ethoxybenzimidazole-7-carboxylate150058-27-8
  
  
Avanafil intermediates
2-Aminomethylpyrimidine hydrochloride372118-67-7
ethyl 4-chloro-2-methylthio-5-pyrimidine-carboxyl5909-24-0
(3-chloro-4-methoxyphenyl)methanaminium hydrochloride41965-95-1
5-Pyrimidinecarboxylicacid, 4-[[(3-chloro-4-methoxyphenyl)methyl]amino]-2-(methylthio)-, ethyl ester330785-81-4
5-Pyrimidinecarboxylic acid, 4-[[(3-chloro-4-methoxyphenyl)methyl]amino]-2-[(2S)-2-(hydroxymethyl)-1-pyrrolidinyl]-, ethyl ester330785-83-6
(S)-4-((3-Chloro-4-methoxybenzyl)amino)-2-(2-(hydroxymethyl)pyrrolidin-1-yl)pyrimidine-5-carboxylic acid330785-84-7
  
  
 Ambroxol hydrochloride intermediates
trans-4-[[(2-Amino-3,5-dibromophenyl)methylene]amino]cyclohexanol50910-53-7
Ambroxol18683-91-5
  
  
Pidotimod intermediate
L(-)-Thiazolidine-4-carboxylic acid34592-47-7
Ethyl L-thiazolidine-4-carboxylate hydrochloride86028-91-3
Intermediate of Anti-tumor API Dasatinib
2-Amino-N-(2-chloro-6-methylphenyl)thiazole-5-carboxamide302964-24-5
  
  
Intermediate of Anti-tumor API Levatinib
4-Chloro-7-methoxyquinoline-6-carboxamide417721-36-9
N-(2-Chloro-4-hydroxyphenyl)-N’-cyclopropyl-urea796848-79-8
  
  
Intermediate of anti-tumor API Olaparib
2-FLUORO-5-FORMYLBENZONITRILE218301-22-5
1-(cyclopropylcarbonyl)piperazine hydrochloride1021298-67-8
4-(6-Aminopyridin-3-yl)piperazine-1-carboxylic acid tert-butyl ester571188-59-5
6-Bromo-2-chloro-8-cyclopentyl-5-methylpyrido[2,3-d]pyrimidin-7(8H)-one1016636-76-2
4-[6-[(6-Bromo-8-cyclopentyl-7,8-dihydro-5-methyl-7-oxopyrido[2,3-d]pyrimidin-2-yl)amino]-3-pyridinyl]-1-piperazinecarboxylic acid 1,1-dimethylethyl ester571188-82-4
4-[6-[[6-(1-Butoxyvinyl)-8-cyclopentyl-5-methyl-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidin-2-yl]amino]pyridin-3-yl]piperazine-1-carboxylic acid tert-butyl ester866084-31-3
(1R)-(S)-pinanediol-1-Ammonium Trifluoroacetate-3-methlbutane-1-boronate179324-87-9
  
  
Enzalutamide Intermediate 
4-Isothiocyanato-2-(trifluoromethyl)benzonitrile143782-23-4
  
Intermediate of anti-tumor API pemetrexed disodium 
Pemetrexed disodium INT-4137281-39-1
  
Intermediate of antifungal API terbinafine hydrochloride 
3,3-Dimethyl-1-Butyne917-92-0
1-CHLORO-6,6-DIMETHYL-2-HEPTEN-4-YNE126764-17-8
  
Intermediate of caine Anesthetic APIs 
N-(2′,6′- dimethylphenyl)-piperidine-2-carboxylic amide15883-20-2
(S)-N-(2′,6′-dimethylphenyl)-piperidine-2- carboxylic amide27262-40-4
  
Intermediate of the muscle relaxant atracuramide 
R-Tetrahydropapaverine hydrochloride54417-53-7
 4,4-Dimethyl-3,5,8-trioxabic-yclo[5,1,0]Octane57280-22-5
  
Intermediate of Fumarate 
5-(2-Fluorophenyl)-1H-pyrrole-3-carboxaldehyde881674-56-2
Pyridine-3-sulfonyl chloride16133-25-8
1H-Pyrrole-3-carboxaldehyde, 5-(2-fluorophenyl)-1-(3-pyridinylsulfonyl)881677-11-8
  
Intermediate of Crisaborole 
4-(4-bromo-3-formylphenoxy)benzonitrile906673-54-9
4-(4-broMo-3-(hydroxyMethyl)phenoxy)benzonitrile906673-45-8
2-Bromo-5-hydroxybenzaldehyde2973-80-0

Telmisartan Intermediate

PRODUCTSCAS NO.
2-N-propyl-4-methyl-6-(1′-methylbenzimidazole-2-yl) benzimidazole152628-02-9
4′-Bromomethylbiphenyl-2-carboxylic acid methyl ester133240-26-3
Methyl-4-(butyrylamino)-3-methyl-5-nitrobenzote152628-01-8

Rosuvastatin Intermediate

PRODUCTSCAS NO.
4-(4-Fluorophenyl)-6-isopropyl-2-[(N-methyl-n-methylsulfonyl)amino] pyrimidine-5-yl-methanol147118-36-3
tert-Butyl 6-[(1E)-2-[4-[4-fluorophenyl)-6-(1-methylethyl)-2-[methyl (methylsulfonyl)
amino]-5-pyrimidinyl]-2,2-dimethyl-1,3-dioxane-4-acetate (R1)		289042-12-2
tert-Butyl (4R-cis)-6-[(acetyloxy)methyl]-2,2-dimethyl-1,3-dioxane-4-acetate (D5)154026-95-6

Temozolomide Intermediates

PRODUCTSCAS NO.
4-Amino-5-imidazolecarboxamide hydrochloride72-40-2

Candesartan Intermediate

PRODUCTSCAS NO.
Trityl candesartan139481-72-4
C6139481-41-7
C7139481-69-9
C8139481-59-7

Irbesartan Intermediates

PRODUCTSCAS NO.
2-N-Butyl-1,3-diaza-spiro [4,4] non-1-en-4-one hydrochloride151257-01-1
Trityl Irbesartan138402-10-5

Losartan Intermediates

PRODUCTSCAS NO.
2-Cyano-4′-Methylbiphenyl (OTBN)114772-53-1
2-n-Butyl-4(5)-Chloro-1H-Imidazole-5(4)-Carboxaldehyde (BCFI)83857-96-9
4-Bromomethyl-2-Cyanobiphenyl (Br-OTBN)114772-54-2
N-(Triphenylmethyl)-5-(4′-Bromomethylbiphenyl-2-yl) Tetrazole (TTBB)124750-51-2

Olmesartane Intermediates

PRODUCTSCAS NO.
4-Cloromethyl-5-methyl-1,3-dioxol-2-one80841-78-7
Ethyl 4-(1-hydoxy-1–methylethyl)-2-propyl-imidazole-5-carboxylate144689-93-0