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

Oxybutynin Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(R)-Oxybutynin D10 Stable Isotopes CS-EO-02008 1207344-05-5(Unlabeled) Enquire
(R)-Oxybutynin D11 Stable Isotopes CS-EO-02558 Not Available Enquire
(S)-Oxybutynin D10 Stable Isotopes CS-EO-02007 1189190-86-0 Enquire
(S)-Oxybutynin D11 Stable Isotopes CS-EO-02559 Not Available Enquire
Mixture of (Z)-3-chloro-Oxybutynin-d11 and (Z)-2-chloro-Oxyb... Stable Isotopes CS-T-99916 Not Available Enquire
N-Desethyl N-Benzyl Oxybutynin-d5 Stable Isotopes CS-T-101591 Not Available Enquire
N-Desethyl Oxybutynin D5 Stable Isotopes CS-O-06844 1173147-63-1 Enquire
Oxybutynin Related Compound C-d3 Stable Isotopes CS-T-99917 Not Available Enquire
Oxybutynin-d11 Hydrochloride Stable Isotopes CS-O-02740 1185151-95-4 In Stock


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Oxybutynin Hydrochloride API CS-O-00217 1508-65-2 In Stock


Metabolite

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-Desethyl Oxybutynin Hydrochloride Metabolite CS-O-05875 81039-77-2 In Stock
Oxybutynin N-Oxide Metabolite CS-O-01426 80976-68-7 In Stock


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(R)-N-Desethyl Oxybutynin Hydrochloride Impurity CS-T-52116 181647-12-1 Enquire
(R)-Oxybutynin HCl Impurity CS-BV-00022 119618-21-2 (Freebase) Enquire
(S)-N-Desethyl Oxybutynin Hydrochloride Impurity CS-T-52117 181647-14-3 Enquire
2-cyclohexyl-2-(2-cyclohexyl-2-hydroxy-2-phenylacetoxy)-2-ph... Impurity CS-O-47139 Not Available Enquire
Dimethyl analog of oxybutynin Hydrochloride Impurity CS-T-94727 70844-58-5 Enquire
Methyl 2-(cyclohex-3-en-1-yl)-2-cyclohexyl-2-hydroxyacetate Impurity CS-O-45108 Not Available Enquire
Oxybutynin EP Impurity A Impurity CS-T-51447 1199574-71-4 Enquire
Oxybutynin EP Impurity E HCl salt Impurity CS-EO-03743 1215677-72-7 (Freebase) Enquire
Oxybutynin Impurity 3 Impurity CS-P-05688 Not Available Enquire
Oxybutynin Impurity B Impurity CS-O-31139 14943-53-4 Enquire
Oxybutynin Impurity C Impurity CS-O-45050 1199574-70-3 Enquire
Oxybutynin- N-Substituted allyl impurity Impurity CS-EO-01553 Not Available Enquire
Oxybutynin Related Compound A Impurity CS-O-30558 4335-77-7 In Stock
Oxybutynin Related Compound C Impurity CS-K-00103 2724511-24-2 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
4-(Diethylamino)-2-butyn-1-ol Fine Chemicals CS-O-00237 10575-25-4 In Stock


Nitrosamine

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-Nitroso N-Desethyl Oxybutynin Nitrosamine CS-O-46401 Not Available Enquire


Chiral

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(S)-Oxybutynin Hydrochloride Chiral CS-P-00026 119618-22-3 Enquire