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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Vardenafil, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Vardenafil impurity reference standards are invaluable for pharmaceutical research, supporting product development, ANDA and DMF submissions, quality control (QC), method validation, and stability studies. They also aid in identifying unknown impurities and assessing genotoxic potential.
Our Vardenafil-related products undergo thorough characterization and are supplied with detailed Certificates of Analysis (COA) and analytical data that meet regulatory requirements. All supplied products are re-tested at regular intervals to ensure ongoing quality and compliance.

Vardenafil Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
7-Despropyl 7-Methyl Vardenafil-d5 Stable Isotopes CS-T-99297 2169247-39-4(Unlabelled) Enquire
N-Desethyl Vardenafil-d8 Stable Isotopes CS-T-73652 1184985-26-9 Enquire
Vardenafil Acetyl-d5 Analogue Stable Isotopes CS-T-62702 1330171-51-1 Enquire
Vardenafil-d4 Stable Isotopes CS-O-10240 2012598-83-1 Enquire
Vardenafil-d5 Stable Isotopes CS-EV-00031 1189685-70-8 Enquire
Vardenafil-d5 Hydrochloride Stable Isotopes CS-O-07053 1189685-70-8(Freebase) In Stock


API Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Vardenafil API Standards CS-O-30815 224785-90-4 In Stock
Vardenafil Dihydrochloride Salt API Standards CS-T-46324 224789-15-5 Enquire
Vardenafil hydrochloride API Standards CS-ZB-29982 224785-91-5 In Stock
Vardenafil Hydrochloride Trihydrate API Standards CS-O-11329 330808-88-3 In Stock


Metabolites

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Hydroxy Vardenafil Metabolites CS-O-10340 224785-98-2 In Stock


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
7-Despropyl 7-Phenyl Vardenafil Impurities CS-T-88237 1255919-01-7 Enquire
N-Desethyl Vardenafil Impurities CS-O-10341 448184-46-1 In Stock
N-desethyl-N-Acetyl Vardenafil Impurities CS-O-52470 224786-13-4 In Stock
N-desethyl-N-methyl Vardenafil Impurities CS-O-52468 224785-87-9 In Stock
Norneo Vardenafil Impurities CS-T-37594 358390-39-3 Enquire
O-Desethyl Vardenafil Impurities CS-EO-00515 2411340-39-9 Enquire
Pseudo Vardenafil Impurities CS-T-40928 224788-34-5 Enquire
S-Desethylpiperidino S-(Glycin-N-yl) Vardenafil Impurities CS-T-88835 448184-54-1 Enquire
S-Desethylpiperidino S-[2-Carboxyl-2-oxo-ethyl-(2-aminoethyl... Impurities CS-T-88320 448184-56-3 Enquire
Thiovardenafil Impurities CS-T-44277 912576-24-0 Enquire
Vardenafil Acetyl Analogue Impurities CS-T-46326 1261351-28-3 Enquire
Vardenafil Dimer Impurities CS-P-00296 1255919-03-9 Enquire
Vardenafil Hydroxy Impurity Impurities CS-P-06761 Not Available Enquire
Vardenafil Impurity 8 Impurities CS-EO-00528 Not Available Enquire
Vardenafil Impurity A Impurities CS-P-08193 2169247-39-4 Enquire
Vardenafil Nitroso Impurity Impurities CS-O-41480 Not Available Enquire
Vardenafil N-Oxide Impurities CS-T-93343 448184-48-3 In Stock
Vardenafil Oxopiperazine (Impurity) Impurities CS-T-46328 448184-58-5 Enquire


Intermediates

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-Decarboxyl-1-(bromoacetyl) Norneovardenafil Intermediates CS-T-14606 358388-58-6 Enquire
Hydroxythiovardenafil Intermediates CS-T-28820 912576-30-8 Enquire
Vardenafil M5 Intermediates CS-ED-08102 448184-52-9 Enquire