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

Verapamil Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(±)-Verapamil-d3 HCl (N-methyl-d3) Stable Isotopes CS-C-01296 2714485-49-9 Enquire
(R)-(+)-Verapamil-d6 Stable Isotopes CS-T-96743 1796641-49-0 Enquire
(R)-(+)-Verapamil-d6 (2S,​3S)​-2,​3-​Bis(phenylmethoxy)​-but... Stable Isotopes CS-T-96742 Not Available Enquire
N-Desmethyl Verapamil-d7 Hydrochloride Stable Isotopes CS-O-07057 1216413-74-9 In Stock
Nor Verapamil-d6 N-β-D-Glucuronide Stable Isotopes CS-T-96748 Not Available Enquire
Norverapamil-d7 Stable Isotopes CS-ED-02470 263175-44-6 Enquire
R-Nor-Verapamil-d6 Stable Isotopes CS-T-97253 ---- Enquire
R-Verapamil-D7 HCL Stable Isotopes CS-O-47462 Not Available Enquire
S-Nor-Verapamil-d6 Stable Isotopes CS-T-97252 123931-31-7 (Unlabelled) Enquire
S-Verapamil-D7 HCL Stable Isotopes CS-O-47461 Not Available Enquire
Verapamil-d3 Stable Isotopes CS-O-10462 152561-91-6 In Stock
Verapamil-d6 Stable Isotopes CS-T-96744 Not Available Enquire
Verapamil-d7 Hydrochloride Stable Isotopes CS-O-07058 1188265-55-5 In Stock


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Verapamil API CS-O-30814 52-53-9 Enquire
Verapamil Hydrochloride API CS-O-02558 152-11-4 In Stock


Metabolite

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Norverapamil Metabolite CS-O-10215 67018-85-3 In Stock


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(R)-(+)-Nor Verapamil Hydrochloride Impurity CS-T-83779 147158-71-2 Enquire
(S)-(-)-Nor Verapamil Hydrochloride Impurity CS-T-83800 147158-72-3 Enquire
D 517 Hydrochloride Impurity CS-T-51565 1794-55-4 In Stock
N-Desmethyl N-benzyl Verapamil Impurity CS-O-49158 36764-88-2 In Stock
N-Methyl-N-(3-chloropropyl)homoveratrylamine Hydrochloride Impurity CS-T-82756 36770-75-9 In Stock
Verapamil 5-chloro impurity Impurity CS-T-50642 27487-83-8 Enquire
Verapamil EP Impurity A Impurity CS-EO-00068 141991-88-0 In Stock
Verapamil EP Impurity A Dihydrochloride Impurity CS-T-67098 63434-11-7 Enquire
Verapamil EP Impurity C Impurity CS-EO-00034 3490-05-9 In Stock
Verapamil EP Impurity H (free HCl salt form) Impurity CS-EO-00282 67018-83-1 In Stock
Verapamil EP Impurity M HCl salt Impurity CS-EO-03936 190850-50-1 Enquire
Verapamil Impurity 22 Impurity CS-O-56640 66618-12-0 Enquire
Verapamil Impurity 23 Impurity CS-O-56619 114847-42-6 Enquire
Verapamil Impurity K hydrochloride Impurity CS-T-102341 20850-49-1 (Freebase) Enquire
(R)-(+)-Verapamil Hydrochloride Impurity CS-T-62715 38176-02-2 Enquire
(S)-(-)-Verapamil Hydrochloride Impurity CS-T-88114 36622-28-3 Enquire
2-(3,4-Dimethoxyphenyl)-N-methylethanamine Hydrochloride Impurity CS-BI-00022 13078-76-7 Enquire
3,4-Dimethoxy-a-[3-(methylamino)propyl]-a-(1-methylethyl)-be... Impurity CS-T-53407 67775-97-7 Enquire
p-O-Desmethyl Verapamil Impurity CS-T-52297 77326-93-3 Enquire
Verapamil EP Impurity L Impurity CS-T-93356 14046-55-0 Enquire
Verapamil EP Impurity M Impurity CS-EO-00227 141991-89-1 Enquire
Verapamil EP Impurity N Impurity CS-EO-00131 2086274-75-9 Enquire
Verapamil EP Impurity O Impurity CS-EO-00132 959011-16-6 Enquire
Verapamil EP Impurity P Impurity CS-EO-00133 2086275-13-8 Enquire
α-Ethyl-α-(1-demethylethyl)-Verapamil Hydrochloride Impurity CS-T-76618 190850-49-8 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-(3,4-Dimethoxyphenyl)-3-methylbutanenitrile Fine Chemicals CS-M-42903 20850-49-1 In Stock
α,α-Diisopropylhomoveratronitrile Fine Chemicals CS-O-34678 51698-54-5 Enquire


Nitrosamine

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-Nitroso Homoveratrylamine Nitrosamine CS-O-51176 ---- In Stock
N-Nitroso Norverapamil Nitrosamine CS-O-42301 ---- In Stock
N-Nitroso verapamil Impurity 2 Nitrosamine CS-EO-02306 ---- In Stock
N-Nitroso Verapamil Impurity N Nitrosamine CS-O-57180 ---- Enquire
N-Nitroso Verapamil Impurity-1 Nitrosamine CS-EO-02100 Not Available In Stock


Therapeutic

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Norverapamil Hydrochloride Therapeutic CS-O-05893 67812-42-4 In Stock