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Cato Research Chemicals Inc.

Firmenname:Cato Research Chemicals Inc.
Telefon:020-81960175
E-Mail:tianwen.zhan@cato-chem.com
Nationalit?t:China
URL: www.cato-chem.com/
Produkte insgesamt:7735
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Produktkatalog

Travoprost Impurity 56Ethyl-bromacetat105-36-2C4H7BrO2
Zidovudine Impurity 15596-31-6C20H18O
Ethyl thioglycolateEthylthioglykolat623-51-8C4H8O2S
Bortezomib Impurity 42Pyrazin-2,3-dicarbonsure89-01-0C6H4N2O4
Dequalinium ChlorideDechaliniumchlorid522-51-0C30H40Cl2N4
Trimetazidine EP Impurity GPiperazin110-85-0C4H10N2
PentafluorophenolPentafluorphenol771-61-9C6HF5O
Tenofovir disoproxil Impurity 87Adenin73-24-5C5H5N5
Olaparib Impurity 232-Brompropan75-26-3C3H7Br
Tenofovir disoproxil Impurity 40(Azathioprine EP Impurity F)Purin-6(1H)-on68-94-0C5H4N4O
Glycopyrronium Bromide EP Impurity O5-Nitroisophthalsure618-88-2C8H5NO6
Tenofovir disoproxil Impurity 88Ethyltoluol-4-sulfonat80-40-0C9H12O3S
Racecadotril Impurity 15Methyltoluol-4-sulfonat80-48-8C8H10O3S
Potassium Clavulanate EP Impurity H2-Methyl-2-propanamin75-64-9C4H11N
Dehydroepiandrosterone Sulfate651-48-9C19H28O5S
Dopamine Impurity 32(±)-4-(2-Amino-1-hydroxyethyl)brenzcatechin138-65-8C8H11NO3
Piperazine Impurity 24Dinitrosopiperazin140-79-4C4H8N4O2
Furfural Impurity 35-Methylfurfural620-02-0C6H6O2
Thiamine Nitrate EP Impurity D3-[(4-Amino-2-methylpyrimidin-5-yl)methyl]-5-(2-hydroxyethyl)-4-methylthiazol-2(3H)-on490-82-4C12H16N4O2S
2,3-Dichloro-1-propanol2,3-Dichlorpropanol616-23-9C3H6Cl2O
Tetracaine EP Impurity A4-Aminobenzoesure150-13-0C7H7NO2
Phenytoin Impurity 7Benzophenon119-61-9C13H10O
Letrozole Impurity 384-(Chlormethyl)benzonitril874-86-2C8H6ClN
Betahistine EP Impurity A2-Vinylpyridin100-69-6C7H7N
Pyridoxine EP Impurity B3-Hydroxy-5-hydroxymethyl-2,4-dimethylpyridiniumchlorid148-51-6C8H12ClNO2
Indocyanine Green Impurity 101-Brom-3-chlorpropan109-70-6C3H6BrCl
Salicylic acid Impurity 12Natriumethylsulfat546-74-7C2H7NaO4S
Urapidil Impurity 61,3-Dimethylbarbitursure769-42-6C6H8N2O3
Glyoxylic Acid (ca. 50% in Water, ca. 9mol/L)Glyoxylsure298-12-4C2H2O3
2-Bromobutane2-Brombutan78-76-2C4H9Br
Phenylhydrazine HydrochloridePhenylhydraziniumchlorid59-88-1C6H9ClN2
Ascorbic Acid EP Impurity EOxals?ure144-62-7C2H2O4
Tiotropium EP Impurity F704-38-1C9H6OS2
Glycopyrronium Bromide EP Impurity BBenzoylameisensaeure611-73-4C8H6O3
L-Dehydro Ascorbic AcidL-threo-Hexo-2,3-diulosono-1,4-lacton490-83-5C6H6O6
Sulfadimethoxine EP Impurity DSulfanilsure121-57-3C6H7NO3S
Progesterone Impurity 15604-20-6C21H30O3
Vortioxetine Impurity 11-Phenylpiperazin92-54-6C10H14N2
Clavulanic acid Impurity 153-Methylpentan-2-on565-61-7C6H12O
Norepinephrine Impurity 56Racepinefrin329-65-7C9H13NO3
H-D-Arg-OH(-)-D-Argininhydrat157-06-2C6H14N4O2
L-HomoserineL-Homoserin672-15-1C4H9NO3
5Alpha-Cholestane5-α-Cholestan481-21-0C27H48
Tropic acidTropasure529-64-6C9H10O3
GlycylglycineN-Glycylglycin556-50-3C4H8N2O3
Imatinib Impurity 61Ethylmethansulfonat62-50-0C3H8O3S
MetoclopramideMetoclopramid364-62-5C14H22ClN3O2
Propranolol hydrochloride[2-Hydroxy-3-(naphthyloxy)propyl]isopropylammoniumchlorid318-98-9C16H22ClNO2
Levonorgestrel EP Impurity K793-55-5C19H28O2
Dichloroacetic AcidDichloressigsure79-43-6C2H2Cl2O2
p-Toluenesulfonyl ChlorideTosylchlorid98-59-9C7H7ClO2S
4-Hydroxybenzenesulfonic Acid4-Hydroxybenzolsulfonsure98-67-9C6H6O4S
Oxiracetam Impurity 12Ethyl-2,4-dichlor-3-oxobutyrat88-00-6C6H8Cl2O3
Benzyldimethyldodecylammonium ChlorideBenzododeciniumchlorid139-07-1C21H38ClN
Verapamil EP Impurity GVeratrumaldehyd120-14-9C9H10O3
Verapamil HydrochlorideVerapamilhydrochlorid152-11-4C27H39ClN2O4
Piroxicam EP Impurity A2-Pyridylamin504-29-0C5H6N2
Iminodiacetic AcidIminodi(essigsure)142-73-4C4H7NO4
Sodium Valproate EP Impurity L2-Methylvaleriansure97-61-0C6H12O2
Ascorbic Acid EP Impurity CL-xylo-Hex-2-ulosonsure526-98-7C6H10O7
Valproic Acid USP Related Compound A99-67-2C8H12O2
2,4-Dichlorobenzyl chlorideα,2,4-Trichlortoluol94-99-5C7H5Cl3
Nicotine EP Impurity E (Mixture of Diastereomers)491-26-9C10H14N2O
Dichloroacetyl ChlorideDichloracetylchlorid79-36-7C2HCl3O
Glucosamine sulfate Impurity 152-Methyl-pyrazin109-08-0C5H6N2
3-Chlorobenzaldehyde3-Chlorbenzaldehyd587-04-2C7H5ClO
Ursodeoxycholic acidUrsodeoxycholsure128-13-2C24H40O4
Phloroglucinol Impurity 18491-45-2C12H10O5
Glucosamine sulfate Impurity 14Pyrazin290-37-9C4H4N2
Trihexyphenidyl EP Impurity A HCl1-(2-Benzoylethyl)piperidiniumchlorid886-06-6C14H20ClNO
Phloroglucinol Impurity 283,5-Dimethoxyphenol500-99-2C8H10O3
Dapagliflozin Impurity 1051-Methoxypropan-2-ol107-98-2C4H10O2
1,4,5,8-TETRAHYDROXYANTHRAQUINONE1,4,5,8-Tetrahydroxyanthrachinon81-60-7C14H8O6
Tolperisone Impurity 1Atropasure492-38-6C9H8O2
Vitamin K1 Impurity 52-Hydroxy-3-methyl-1,4-naphthochinon483-55-6C11H8O3
XylitolXylit87-99-0C5H12O5
H-Gly-Gly-Gly-OHN-(N-Glycylglycyl)glycin556-33-2C6H11N3O4
4-tert-Amylphenol4-(1,1-Dimethylpropyl)phenol80-46-6C11H16O
AndrostenediolAndrost-5-en-3-β,17-β-diol521-17-5C19H30O2
Chloroethane (Tetrahydrofuran Solution)Chlorethan75-00-3C2H5Cl
2-AcetylthiopheneMethyl-2-thienylketon88-15-3C6H6OS
2-Methyl-2,4-Pentanediol2-Methylpentan-2,4-diol107-41-5C6H14O2
Linolenic acid Methyl EsterMethyl-(9Z,12Z,15Z)-9,12,15-octadecatrienoat301-00-8C19H32O2
Cefmetazole Impurity 20 (Chloroacetonitrile)Chloracetonitril107-14-2C2H2ClN
Tolvaptan Impurity 212-Methylbenzoes?ure118-90-1C8H8O2
Prostaglandin E1Alprostadil745-65-3C20H34O5
Pirfenidone Impurity 33Brombenzol108-86-1C6H5Br
Thiamine Pyrophosphate ChlorideCocarboxylase154-87-0C12H19ClN4O7P2S
ButyraldehydeButyraldehyd123-72-8C4H8O
3,6-Dimethyl-1,4-dioxane-2,5-dioneDilactid95-96-5C6H8O4
Cyclophosphamide Impurity 10Bis(2-chlorethyl)aminhydrochlorid821-48-7C4H10Cl3N
2-Methylbutyric Acid2-Methylbutters?ure116-53-0C5H10O2
Phloroglucinol Impurity 17Benzol-1,2,4-triol533-73-3C6H6O3
Ceftriaxone Impurity 39N,N'-1,2-Ethandiylbis(N-(carboxymethyl)glycin,Dinatrium-Salz139-33-3C10H14N2Na2O8
Trimethylamine HydrochlorideTrimethylammoniumchlorid593-81-7C3H10ClN
N,N-DiethylanilineN,N-Diethylanilin91-66-7C10H15N
Cyclophosphamide Impurity 113-Amino-1-propanol156-87-6C3H9NO
1,1,1,3,3,3-Hexamethyldisilazane1,1,1,3,3,3-Hexamethyldisilazan999-97-3C6H19NSi2
Phloroglucinol Impurity 124,6-Dichlorresorcin137-19-9C6H4Cl2O2
Methyl ChloroacetateMethylchloracetat96-34-4C3H5ClO2
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