Shenzhen Topbatt Chemical Co., Ltd??? ?? ??? ?????.

?? ?:Shenzhen Topbatt Chemical Co., Ltd

??:0755-86210901

???:1183024353@qq.com

??:China

? ?? ?:796

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Cefditoren Monohydrate Monocyclic Impurity
SYH2055A-3011



Galantamine EP Impurity E	N-????????	41303-74-6	C16H19NO3
2-(dimethylamino)cyclohex-2,5-dien-1,4-dione	2-(??????)-1,4-????	3958-86-9	C8H9NO2
	3-[(2-??????)???]????????		C5H10N2O

L-proline cyclization impurity (single configuration)		53990-71-9	C10H14N2O2

Penicillin G Potassium Dioxide Impurity		18598-31-7	C16H18N2O6S
Penicillin Impurity I	???????	3264-88-8	C16H18N2O4S





Delta-2-anti-oxime
Penicillin G Potassium Impurity E		493-39-0	C16H20N2O5S
Piperacillin impurity J		2170771-47-6	C17H20N4O6
Impurity Sirolimus-19-ene open ring		147438-27-5	C51H79NO13
ATMAA Dimer
Pioglitazone condensation aldehyde reference standard		114393-97-4	C16H17NO2
SYF9001-013205

SYF9001-013206
Galantamine EP Impurity D	????????????	664995-65-7	C17H19NO2

Bedaquiline impurity 13		2122862-01-3	C32H32N2O2
Cefixime Polymer Impurity B




Penicillin G Potassium Impurity F		73184-06-2	C15H20N2O3S
Pioglitazone N-oxide reference standard	??????N-????	145350-09-0	C19H20N2O4S
Valsartan potassium impurity ECA


Proline cyclization impurity (mixed isomers)		6708-06-1	C10H14N2O2
Galantamine N-oxide		199014-26-1	C17H21NO4


(2S,3S,5S)-5-amino-2-(dibenzylamino)-1,6-diphenylhexan-3-ol		156732-15-9	C32H36N2O




4-(N-formylmethyl)-aminobutanoic acid		1096803-44-9	C6H12N2O3
Penicillin G Potassium Oxidation Impurity		4052-54-4	C16H18N2O5S
Pyrithione Impurity 6		1198414-06-0	C12H10ClNO
(12aR)-12-[(11S)-7,8-difluoro-6,11-dihydrodibenzo[b,e]thiepine-11-yl]-3,4,6,8,12,12a-hexahydro-6,8-dioxo-1H-[1,4]oxazepino[3,4-c]pyridino[2,1-f][1,2,4]triazine-7-yl]oxy]methyl methyl carbonate
1-(4-Thiophenyl)ethyl-1-one	4-?????????	3814-20-8	C8H8OS
Mannose Triflate		92051-23-5	C15H19F3O12S





2-diazinyl-2-phenylethyl acetate	????????????	22065-57-2	C10H10N2O2
	R-?????	898230-59-6	C11H18N4O4
	7-??????????	957-68-6	C10H12N2O5S
			C10H5N3O6S
			C16H15F2N3O3
Mesalazine impurity 29 reference standard	N-???-5-??	104786-99-4	C8H7NO4
	S-??????		C14H17NO4S


2,5-Dimethoxyphenylhydrazine		27861-53-6	C8H12N2O2
Mirodenafil Impurity L		1684452-80-9	C21H24N4O2S

2,5-Dimethoxyphenylhydrazine Hydrochloride		197590-48-0	C8H13ClN2O2



GSK2256294		138829-43-3	C13H18N2O
FosfomycinMethoxy open ring Impurity		2882846-24-2
Ampicillin ethylenediamine analog




(R)-2-((4-Aminophenethyl)amino)-1-(3-chlorophenyl)ethyl-1-ol		391901-43-2	C16H19ClN2O
Spiramycin impurity B		249930-66-3	C43H76N2O14
Cefixime Dimer F

SYH2055A-3142
Sodium 4-sulfobenzoate	??????2-?????????	29454-16-8	C4H5NaO7S
Cefdaloxime	?????	80195-36-4	C14H15N5O6S2
O-Desmethyl Galantamine	O-????????	60755-80-8	C16H19NO3
SYF9005-314		183323-50-4	C21H38O4

			C4H10N2O4
Cefixime Dimer D
Cefpodoxime proxetil EP impurity 1



Valsartan Potassium Impurity EC		1417576-03-4	C5H6O5

1 2 3 4 5 6 7 8

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Shenzhen Topbatt Chemical Co., Ltd??? ?? ??? ?????.

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