Sildenafil impurity 33/Sildenafil Chlorosulfonyl|139756-22-2Shanghai Forever Synthesis Co.,Ltd.

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Olanzapine impurity 4/Olanzapine Thiolactam Impurity

Atorvastatin impurity 4/Atorvastatin EP Impurity A Calcium Salt

Entecavir impurity 1/(1R,3R,4R)-Entecavir

Calcipotriol EP Impurity A

pre-Calcitriol PTAD Adduct/Calcitriol EP Impurity C

Isocyclosporine A

Clobetasol Propionate EP Impurity E

15(S)-Latanoprost

(15R)-Bimatoprost/15-epi Bimatoprost

15-Keto Travoprost

15S-Cloprostenol/15-epi Cloprostenol

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Azithromycin EP Impurity I

Roxithromycin EP Impurity B

Erythromycin EP Impurity A

Erythromycin EP Impurity B

Clarithromycin EP Impurity A

Clarithromycin EP Impurity B

Clarithromycin EP Impurity F

Rivaroxaban impurity 3/ Dechloro-Rivaroxaban

Clindamycin Phosphate EP Impurity B/Clindamycin B 2-Phosphate

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Riociguat Impurity 19/N-Desmethyl Riociguat

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Caspofungin impurity 1/Caspofungin Impurity A

Lurasidone impurity 4/Lurasidone Sulfoxide

Lurasidone impurity 5/Lurasidone Sulfone

Lurasidone impurity 7/Lurasidone Piperazine N-Oxide

Rivaroxaban impurity 6/ Rivaroxaban Pseudodimer

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Paliperidone impurity 10/Paliperidone N-Oxide

Paliperidone impurity 11/Paliperidone 9-Keto Impurity

Azithromycin EP Impurity L/Azithromycin N-Oxide

Fulvestrant impurity 5/Fulvestrant EP Impurity E

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Prednisolone impurity 4/Prednisolone EP Impurity F

Prednisolone impurity 6/Prednisolone EP Impurity J

Products

Product ID:	FY-SIL33
Chemical Name:	Sildenafil impurity 33/Sildenafil Chlorosulfonyl
Synonyms:	Sildenafil Chlorosulfone Impurity/5-(5-Chlorosulfonyl-2-ethoxyphenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazole[4,3-d]pyrimidine-7-one
Cas No.:	139756-22-2
Molecular Formula:	C₁₇H₁₉ClN₄O₄S
Molecular Weight:	410.88
Specification:	95%
Molecular Structure: