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

Loperamide Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Deschloroloperamide Hydrochloride-d6 Stable Isotopes CS-T-100563 1134369-22-4 (Unlabeled) Enquire
loperamide D6 N oxide Stable Isotopes CS-EO-02378 1329835-39-3 Enquire
Loperamide-d6 Stable Isotopes CS-O-02923 1189574-93-3 In Stock
Loperamide-d6 Hydrochloride Stable Isotopes CS-O-16314 1189469-46-2 In Stock
N-Desmethyl Loperamide-d3 Stable Isotopes CS-T-52228 1189488-17-2 In Stock
N-Didesmethyl Loperamide-d4 Stable Isotopes CS-T-100469 66164-06-5(Unlabeled) Enquire
4-Dechloro-4-(4-chlorophenyl) Loperamide-d6 Stable Isotopes CS-T-74005 1794737-31-7 Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Loperamide API CS-O-01787 53179-11-6 In Stock
Loperamide Hydrochloride API CS-O-04639 34552-83-5 In Stock


Metabolite

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Loperamide carbinolamide metabolite Metabolite CS-O-50123 808740-59-2 Enquire
Loperamide N-oxide Metabolite CS-O-06077 106900-12-3 In Stock
N-Desmethyl Loperamide Metabolite CS-T-52227 66164-07-6 In Stock
N-Didesmethyl Loperamide Metabolite CS-O-11256 66164-06-5 In Stock


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Dehydro Loperamide Impurity CS-T-51767 61299-42-1 In Stock
Loperamide EP Impurity A Impurity CS-T-51690 1391052-94-0 In Stock
Loperamide EP Impurity B Chloride Impurity CS-O-44399 Not Available Enquire
Loperamide EP Impurity G Impurity CS-EN-00046 109572-89-6 In Stock
Loperamide Impurity B Bromide Impurity CS-DH-00036 2575516-63-9 In Stock
Loperamide Impurity D Impurity CS-P-01593 37743-41-2 In Stock
Loperamide Impurity E Impurity CS-P-01594 1426322-82-8 In Stock
Loperamide Related Compound F Impurity CS-O-59109 181112-35-6 Enquire
(1s,4r)-4-(4-Chlorophenyl)-1-[4-(dimethylamino)-4-oxo-3,3-di... Impurity CS-O-35144 Not Available Enquire
Deschloroloperamide Hydrochloride Impurity CS-T-73742 1134369-22-4 Enquire
Ethyl Diphenylacetate Impurity CS-O-40054 3468-99-3 Enquire
Loperamide EP Impurity B Impurity CS-P-01592 Not Available Enquire
Loperamide hydrochloride EP Impurity E Impurity CS-EN-00045 1426322-82-8 Enquire
Loperamide Impurity G Impurity CS-P-05167 Not Available Enquire
Loperamide Impurity G Impurity CS-P-05166 Not Available Enquire
N,N-Dimethyl-2,2-diphenyl-4-hydroxybutyramide Impurity CS-T-53446 37743-13-8 Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Dihydro-N,N-dimethyl-3,3-diphenyl-2(3H)-furaniminium Bromide Intermediate CS-O-14926 37743-18-3 In Stock


Nitrosamine

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-Desmethyl N-NitrosoLoperamide Nitrosamine CS-O-45871 Not Available Enquire


Secondary Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Loperamide hydrochloride Secondary Standards CS-SS-24200-1GM 34552-83-5 Enquire
Loperamide Related Compound F Secondary Standards CS-SS-25654 106900-12-3 Enquire


Analytical Standard

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Loperamide-d6 Hydrochloride-AR Grade Analytical Standard CS-O-16314-10MG 1189469-46-2 Enquire
Loperamide-d6 Hydrochloride-AR Grade-10 ppm/ACN Analytical Standard CS-O-16314-1ML 1189469-46-2 Enquire