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

Penbutolol Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Penbutolol-d9 Hydrochloride Stable Isotopes CS-O-06857 1346605-01-3 In Stock
(S)-4-Hydroxy Penbutolol-d9 Hydrochloride Stable Isotopes CS-T-78684 1346617-35-3 Enquire
4-Hydroxy Penbutolol D9 Stable Isotopes CS-O-03312 1346747-63-4 Enquire
rac Penbutolol D9 Stable Isotopes CS-T-83835 1346747-40-7 Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Penbutolol hydrochloride API CS-O-02201 28163-36-2 In Stock
(R)-Penbutolol Hydrochloride API CS-T-38821 57130-27-5 Enquire
(S)-Penbutolol Hydrochloride API CS-T-38822 28291-30-7 Enquire


Metabolite

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(S)-4-Hydroxy Penbutolol Hydrochloride Metabolite CS-O-06151 1346617-04-6 In Stock


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(R)-Penbutolol Sulfate Impurity CS-T-84201 38363-42-7 Enquire
(S)-Penbutolol Sulfate Impurity CS-T-84635 38363-32-5 Enquire


Nitrosamine

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-nitroso Penbutolol Nitrosamine CS-O-39098 Not Available Enquire