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

Felodipine Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(±)-Felodipine-d3 (2,3-dichlorophenyl-d3) Stable Isotopes CS-C-01238 1219795-30-8 Enquire
Desethyl Felodipine-d3,15N Stable Isotopes CS-T-96739 Not Available Enquire
Desethyl O-Methyl Felodipine-d6,15N Stable Isotopes CS-T-96740 Not Available Enquire
Felodipine-d5 Stable Isotopes CS-O-02883 1242281-38-4 In Stock
Felodipine-d8 Stable Isotopes CS-B-00281 72509-76-3 (unlabeled) Enquire
O-Desmethyl Felodipine-13C4 Stable Isotopes CS-T-96736 Not Available Enquire
rac Felodipine-13C4 Stable Isotopes CS-T-96734 Not Available Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Felodipine API CS-O-11649 72509-76-3 In Stock


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(R)-(+)-Felodipine Impurity CS-T-23456 119945-59-4 Enquire
(S)-(-)-Felodipine Impurity CS-T-23458 105618-03-9 Enquire
2,​5-​dichlorophenyl Felodipine impurity Impurity CS-O-44843 105412-35-9 Enquire
3,​4-​dichlorophenyl Felodipine impurity Impurity CS-O-44842 105434-93-3 Enquire
Felodipine EP Impurity B Impurity CS-T-23465 91189-59-2 In Stock
Felodipine EP Impurity C Impurity CS-T-59209 79925-38-5 In Stock
Felodipine Related Compound A Impurity CS-K-00051 96382-71-7 Enquire


Nitrosamine

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-Nitroso-FELODIPINE Nitrosamine CS-O-38498 Not Available Discontinued
N-Nitroso-Felodipine EP Impurity B Nitrosamine CS-EO-02647 Not Available Discontinued
N-Nitroso-Felodipine EP Impurity C Nitrosamine CS-EO-02648 Not Available Discontinued
N-Nitroso-Felodipine Impurity 1 Nitrosamine CS-EO-02649 Not Available Enquire
N-Nitroso-Felodipine Impurity 2 Nitrosamine CS-EO-02650 Not Available Enquire
N-Nitroso-Felodipine Impurity 3 Nitrosamine CS-EO-02651 Not Available Enquire


Analytical Standard

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-Nitroso-FELODIPINE Analytical Standard CS-O-38498-10MG Not Available Enquire
N-nitroso-felodipine-100 PPM in Acetonitrile Analytical Standard CS-O-38498-1.5ML Not Available Enquire