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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Ropinirole, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Ropinirole 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 Ropinirole-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.

Ropinirole Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Ropinirole Hydrochloride-d7 Stable Isotopes CS-O-06940 1261396-31-9 In Stock
N-Despropyl Ropinirole-d3 Stable Isotopes CS-T-88374 1215798-00-7 Enquire
Ropinirole Aminoacetic Acid-d4 Dihydrochloride Stable Isotopes CS-T-85914 1346605-07-9 Enquire
Ropinirole d3 Stable Isotopes CS-O-33786 1132746-02-1 Enquire
Ropinirole-d14 HCl (di-n-propyl-d14) Stable Isotopes CS-C-01235 1132746-05-4 Enquire
Ropinirole-d4 Hydrochloride Stable Isotopes CS-T-85149 1330261-37-4 Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Ropinirole Hydrochloride API CS-O-11740 91374-20-8 In Stock
Ropinirole API CS-EL-00090 91374-21-9 Enquire


Metabolite

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-Despropyl Ropinirole Hydrochloride Metabolite CS-T-16603 173990-76-6 In Stock
N-Hydroxymethyl Ropinirole Sodium salt Metabolite CS-O-47916 1027600-42-5 (Freebase) In Stock
Ropinirole N-Oxide Metabolite CS-O-05946 1076199-41-1 In Stock
N-Hydroxymethyl Ropinirole Metabolite CS-T-27902 1027600-42-5 Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Ethyl Ropinirole Impurity CS-CY-00028 1797132-03-6 Enquire
N-Despropyl Ropinirole Open Ring Nitro impurity Impurity CS-O-45890 Not Available Enquire
Propylidine Ropinirole Hydrochloride (E/Z-Mixture) Impurity CS-T-40785 221264-43-3 In Stock
Ropinirole EP Impurity C Impurity CS-CY-00050 784110-47-0 Enquire
Ropinirole EP Impurity E Impurity CS-EO-00099 ---- Enquire
Ropinirole EP Impurity H Impurity CS-EO-00100 2734474-99-6 In Stock
Ropinirole Open Ring Nitro Derivative Impurity CS-O-56372 720656-64-4 Enquire
Ropinirole Related Compound B Impurity CS-O-03611 221264-21-7 In Stock
3-(2-(2- (dipropylamino)et hyl)-6- nitrophenyl)-2- oxopropan... Impurity CS-O-38076 Not Available Enquire
3-(2-(dipropylamino)ethyl)-2-methylaniline Impurity CS-O-38075 111725-11-2 Enquire
3-(2-amino-6-(2-(dipropylamino)ethyl)phenyl)-2-oxopropanoic ... Impurity CS-O-38074 Not Available Enquire
3-Methoxy Ropinirole Hydrochloride Impurity CS-T-80557 1797131-21-5 Enquire
4-Ethenyl-1,3-dihydro-2H-indol-2-one Impurity CS-T-54288 120427-93-2 Enquire
Decarbonyl Ropinirole Dihydrochloride Impurity CS-T-73317 1346603-36-8 Enquire
Ethyl 2-[2-(Dipropylamino)ethyl]-6-nitrophenyl Pyruvate Impurity CS-T-77859 91374-24-2 Enquire
N-Desbispropyl-N-pentyl-2-methyl Ropinirole Impurity CS-T-16601 249622-60-4 Enquire
N-Hydroxy Ropinirole Hydrochloride Impurity CS-T-56449 1542267-72-0 Enquire
N-Methoxy Ropinirole Hydrochloride Impurity CS-T-32883 1796934-24-1 Enquire
Ropinirole Aminoacetic Acid Impurity CS-T-41935 920755-10-8 Enquire
Ropinirole Cyclopentanylindolinone Impurity Impurity CS-O-16812 1368745-05-4 Enquire
Ropinirole EP Impurity B Impurity CS-EO-01964 221264-33-1 Enquire
Ropinirole EP Impurity C Impurity CS-EO-00587 249622-62-6 Enquire
Ropinirole Impurity 2 Impurity CS-EO-00896 915376-75-9 Enquire
Ropinirole methylene dimer Impurity CS-EO-00072 1800102-50-4 Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-methyl-3-nitro phenyl acetic acid Intermediate CS-O-32295 23876-15-5 In Stock
4-(2-Hydroxyethyl)-1,3-dihydro-2H-indolin-2-one Intermediate CS-T-27333 139122-19-3 In Stock
Ropinirole EP Impurity I Intermediate CS-MM-10042 120427-95-4 In Stock


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(2-METHYL-3-NITROPHENYL)ACETYL CHLORIDE Fine Chemicals CS-MM-23961 101566-00-1 Enquire
2-(2-Methyl-3-nitrophenyl)ethan-1-ol Fine Chemicals CS-O-36532 855382-76-2 Enquire
2-Methyl-3-nitrobenzyl Mesylate Fine Chemicals CS-O-35873 196500-09-1 Enquire
2-methyl-3-nitrophenethyl 4-methylbenzenesulfonate Fine Chemicals CS-O-37950 915376-88-4 Enquire
4-(2-(Dipropylamino)ethyl)indoline-2,3-dione Fine Chemicals CS-ZH-23436 221264-33-1 Enquire


Nitrosamine

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-Nitroso Despropyl Ropinirole Nitrosamine CS-O-48210 ---- Enquire
N-Nitroso Ropinirole Nitrosamine CS-EO-02714 ---- Enquire


Secondary Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Ropinirole Hydrochloride Secondary Standards CS-SS-24600-200MG 91374-20-8 Enquire
Ropinirole Related Compound A Secondary Standards CS-SS-26014-100MG 139122-19-3 Enquire
Ropinirole Related Compound B Secondary Standards CS-SS-25833-100MG 221264-21-7 Enquire