QUALITY CONTROL SOLUTIONS LTD.??? ?? ??? ?????.

?? ?:QUALITY CONTROL SOLUTIONS LTD.

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???:ORDERS@QCSRM.COM

??:China

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Valproic Acid Impurity 17	2-???????????????	51122-91-9	C8H14O4
Fluorescent Brightener KSN		5242-49-9	C29H20N2O2
Carteolol EP Impurity D		51781-13-6	C12H14ClNO3
Phenelzine		51-71-8	C8H12N2
C.I. Pigment Red 53:1	D&C ?? NO. 9	5160-02-1	C34H24BaCl2N4O8S2
sodium phosphorothioate dodecahydrate		51674-17-0	H6NaO4PS
1-hydroxypropan-2-yl benzoate	1-????????-2-??????	51591-52-7	C10H12O3
Miglitol Impurity 3		52541-36-3	C7H9NO2
Vitamin B6 Impurity 86	5-????	524-07-2	C8H9NO4
Ketoconazole Impurity 48
Etoposide EP Impurity M (podophyllotoxin)		518-28-5	C22H22O8
Succinyl-L-alanyl-L-alanyl-L-alanine p-nitroanilide		52299-14-6	C19H25N5O8
Amsacrine	????	51264-14-3	C21H19N3O3S
Betamethasone EP Impurity D		52619-05-3	C25H33FO7
Tolperisone Impurity 9	M-????????	51772-30-6	C10H12O
methyl 4-(methyl(nitroso)amino)butanoate	N-????-N-??-4-???????,??????	51938-17-1	C6H12N2O3
Sodium Cromoglicate Impurity 21		51471-26-2	C25H20O11
Ergocristinine		511-07-9	C35H39N5O5
Momilactone B		51415-08-8	C20H26O4
Shikonin	???	517-89-5	C16H16O5
Evocalcet Impurity 9		52417-52-4	C13H12O
Rivaroxaban Impurity 141	N-?????????	524-38-9	C8H5NO3
3-aminocyclohex-2-en-1-one	3-???-2-??????-1-?	5220-49-5	C6H9NO
Benzo[a]pyrene-cis-4,5-dihydrodiol		51689-89-5	C20H14O2
Lysine Impurity 40	N6-(1-?????)-L-???	52315-75-0	C18H36N2O3
Canthaxanthin		514-78-3	C40H52O2
Fluralaner Impurity 46	2-??-1,4-????????	5156-01-4	C9H8O4
2-(4-methoxyphenyl)-3-methyloxirane	2-(4-?????)-3-?????	51410-46-9	C10H12O2
Carteolol EP Impurity C	5-(2,3-???????)-3,4-??????????	51781-14-7	C12H13NO3
Suvorexant Impurity 8		52548-14-8	C8H7IO2
Tricin	??????????/?????	520-32-1	C17H14O7
Isobutyrylshikonin	????????	52438-12-7	C20H22O6
Tafamidis Impurity 2		51-36-5	C7H4Cl2O2
1-(2-chloroethyl)-3-((1s,4s)-4-hydroxycyclohexyl)-1-nitrosourea		52049-26-0	C9H16ClN3O3
Suvorexant Impurity 11		52107-87-6	C8H7IO2
3-aminobutan-2-one	????-3-?	52648-79-0	C4H9NO
Pregabalin Impurity 97		51424-01-2	C7H12O2
Otilonium Bromide Impurity 1		51444-79-2	C22H27NO4
Pirfenidone Impurity 15		51933-81-4	C12H11NO
Diethyl (4-(methylamino)benzoyl)-D-glutamate	???N-[4-(?????)???]-D-??????	51865-66-8	C17H24N2O5
4-methoxypyridin-2(1H)-one		52545-13-8	C6H7NO2
Apremilast Impurity 140	???4-???????????	51832-56-5	C12H13NO5
Fluorouracil Impurity 25; O-Methylisourea hydrogen sulfate	??(2-?????????) ????	52328-05-9	C4H14N4O6S
Levonorgestrel Impurity 12		51773-49-0	C20H26O3
Diclofop-methyl		51338-27-3	C16H14Cl2O4
Norartocarpetin	???????	520-30-9	C15H10O6
Raltegravir		518048-05-0	C20H21FN6O5
3-Chloro-4-methylbenzoic acid	3-???-4-?????	5162-82-3	C8H7ClO2
Suvorexant Impurity 9	3-????-5-??-???	52107-90-1	C8H7IO2
Pranoprofen Impurity 14		52549-07-2	C14H11NO3
Sulfosuccinic acid	?????	5138-18-1	C4H6O7S
Esketamine hydrochloride Impurity 5		52123-79-2	C12H12BrClO
4-bromobut-1-ene		5162-44-7	C4H7Br
Ellipticine		519-23-3	C17H14N2
Dexmedetomidine Impurity 53		51270-91-8	C10H13Cl
Cetirizine Impurity 67	(6,7-????-1-?????)(3,4-??????)??	522-57-6	C20H19NO5
N-(2,4,6-trimethylpyridin-3-yl)acetamide		51468-09-8	C10H14N2O
Isopropyl 2-bromoisobutyrate	?????2-???-2-?????????	51368-55-9	C7H13BrO2
Vitamin K2 Impurity 2		51606-80-5	C20H36O
(R)-2,5,7,8-tetramethyl-2-((4S,8S)-4,8,12-trimethyltridecyl)chroman-6-yl acetate		52225-20-4	C31H52O3
Gadobutrol Impurity 44	1,4,7,10-???-P-TOSYL-1,4,7,10-????????????	52667-88-6	C36H44N4O8S4
2,6-dichloro-3-fluoropyridine		52208-50-1	C5H2Cl2FN
Propanolol Impurity 5	2-((2-?????)??)-???	5234-06-0	C13H12O2
2,5-dihydroxybenzamide	2,5-??????????	52405-73-9	C7H7NO3
Arotinolol Impurity 9		52560-89-1	C8H6N2OS3
2-(2-(2-hydroxyethoxy)ethoxy)acetic acid	?????-PEG2-CH2CO2H	51951-04-3	C6H12O5
L-Hydroxyproline	????????	51-35-4	C5H9NO3
Pralidoxime chloride	????? ???	51-15-0	C7H9ClN2O
Aldosterone		52-39-1	C21H28O5
2-(1-methylpyrrolidin-2-yl)ethan-1-amine		51387-90-7	C7H16N2
1,4-dihydronaphthalene-1-carboxylic acid	1,4-????-1-????	5111-73-9	C11H10O2
Tizanidine EP Impurity B		51323-05-8	C7H5ClN4S2
Cypermethrin	?????	52315-07-8	C22H19Cl2NO3
(2-methyl-n-butyryl)shikonin		52387-15-2	C21H24O6
ethyl 5-methylisoxazole-4-carboxylate	??5-??????-4-???????	51135-73-0	C7H9NO3
Tizanidine		51322-75-9	C9H8ClN5S
Benzyl phthalate	????????	523-31-9	C22H18O4
Mesalazine Impurity 35		51488-87-0	C9H10ClNO2
Tetrandrine		518-34-3	C38H42N2O6
Bifendate Impurity 3		526221-05-6	C11H12O6
Inosine Impurity 2		52678-79-2	C10H12N4O5
Tazobactam Impurity 20		51446-87-8	C29H28N2O5S
N-Propylcaprolactam		52644-85-6	C9H17NO
Glipizide Impurity 40		52197-12-3	C7H4N4
7-ANCB Impurity 8		51820-24-7	C28H26N2O5S
Naloxone Impurity 14		52446-07-8	C19H23NO5
1,2-di(furan-2-yl)ethan-1-one		51490-07-4	C10H8O3
Carvedilol Impurity 28		51997-50-3	C15H13NO2
Domperidone Impurity 22		52099-72-6	C10H10N2O
2-propylpentanoic anhydride	2-???????	51660-44-7	C16H30O3
3-(4-hydroxy-4-methylpentyl)cyclohex-3-ene-1-carbaldehyde		51414-25-6	C13H22O2
Fluocinonide 22 Methyl Homologue		51333-59-6	C25H30F2O7
(Z)-2-benzylidenequinuclidin-3-one		52455-71-7	C14H15NO
1,1-dimethylpyrrolidin-1-ium-2-carboxylate		51705-67-0	C7H14NO2+
Dextrorphan-d3(Dextromethorphan EP Impurity B-d3)		524713-57-3	C17H23NO
Framycetin sulfate EP Impurity F;Neomycin sulfate EP Impurity F		51795-47-2	C23H45N5O14
5′-Xanthylic acid	????-5'-???????	523-98-8	C10H13N4O9P
Lasmiditan Impurity 10		517875-04-6	C12H16N2O
Momilactone A	????A	51415-07-7	C20H26O3
Pregabalin Impurity 184	???2-(3-??????)????????	51615-30-6	C12H20O4

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QUALITY CONTROL SOLUTIONS LTD.??? ?? ??? ?????.

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