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

Amlodipine Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(±)-Amlodipine-d4 Maleate (2-chlorophenyl-d4) Stable Isotopes CS-C-01271 2714486-25-4 Enquire
(R)-Amlodipine-d4 Di-O-benzoyl L-Tartaric Acid Salt Stable Isotopes CS-T-102505 890046-37-4(Unlabelled) Enquire
(S)-Amlodipine-d4 Di-p-Toluoyl-D-tartrate Stable Isotopes CS-T-102499 1215226-53-1(Unlabelled) Enquire
3-O-Desmethyl Amlodipine-d5 Stable Isotopes CS-T-96737 Not Available Enquire
5-O-Desethyl Amlodipine-d3 Stable Isotopes CS-T-96738 Not Available Enquire
Amlodipine 13C4 Stable Isotopes CS-CX-00105 1261395-19-0 Enquire
Amlodipine 13C6 Stable Isotopes CS-CX-00106 1261392-81-7 Enquire
Amlodipine benzenesulfonate 13C6 Stable Isotopes CS-CX-00107 1261392-82-8 Enquire
Amlodipine benzenesulfonate D3 Stable Isotopes CS-CX-00108 219125-17-4 Enquire
Amlodipine benzenesulfonate, racemic mixture 13C Stable Isotopes CS-EK-00810 111470-99-6 unlabeled Enquire
Amlodipine D4 Maleate Stable Isotopes CS-O-02810 88150-47-4 (Unlabeled) Enquire
Amlodipine-d4 Stable Isotopes CS-CX-00109 1185246-14-3 In Stock
Amlodipine-d4 Maleic Acid Salt (2-Chlorophenyl-d4) Stable Isotopes CS-T-95037 2714486-25-4 Enquire
N-Nitroso Amlodipine D4 Stable Isotopes CS-O-52005 Not Available discontinued
R-Amlodipine-d4 Stable Isotopes CS-O-06404 1346616-97-4 In Stock
S-Amlodipine Besylate-D4 Stable Isotopes CS-O-50703 150566-71-5(Unlabelled) Enquire
S-Amlodipine D4 Stable Isotopes CS-O-06405 1346617-19-3 Enquire


API Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Amlodipine API Standards CS-O-10834 88150-42-9 In Stock
Amlodipine Besylate API Standards CS-O-10961 111470-99-6 In Stock
Amlodipine Hydrochloride API Standards CS-O-48754 246852-07-3 Enquire
Amlodipine Maleate API Standards CS-O-03795 88150-47-4 In Stock
Amlodipine Mesylate API Standards CS-O-47266 246852-12-0 Enquire
Amlodipine nicotinate API Standards CS-O-36537 Not Available Enquire
Levamlodipine Besylate Hemipentahydrate API Standards CS-EO-03315 884648-62-8 Enquire
Levamlodipine maleate API Standards CS-ED-01846 135969-53-8 Enquire


Metabolites

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Amlodipine carboxylic acid Metabolites CS-CX-00104 90445-14-0 Enquire
Amlodipine Metabolite 4 Metabolites CS-T-52137 113994-45-9 Enquire
Levamlodipine M10 metabolite Metabolites CS-O-51783 Not Available Enquire
Levamlodipine M12 metabolite Metabolites CS-O-51784 Not Available Enquire
Levamlodipine M4 metabolite Metabolites CS-O-51782 Not Available Enquire


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(R)-Amlodipine Hemi-dibenzoyl-L-tartrate Impurities CS-T-66436 890046-37-4 Enquire
(S)-Amlodipine Di-p-Toluoyl-D-tartrate Impurities CS-T-66275 1215226-53-1 Enquire
5-ethyl 7-methyl 6-(2-chlorophenyl)-8-methyl-3,4-dihydroxy-2... Impurities CS-O-35924 Not Available Enquire
Amlodipin EP Impurity D Impurities CS-O-16348 113994-41-5 In Stock
Amlodipine aminoethyl Impurities CS-O-52456 2923811-73-6 Enquire
Amlodipine Aspartic Acid Impurity Impurities CS-P-07029 400602-35-9 Enquire
Amlodipine Azido Impurity Impurities CS-T-04601 88150-46-3 In Stock
Amlodipine Besylate Impurity D Besylate salt Impurities CS-EO-02310 2733700-89-3 Enquire
Amlodipine EP Impurity A Impurities CS-O-07173 88150-62-3 In Stock
Amlodipine EP Impurity B Impurities CS-O-07174 721958-72-1 In Stock
Amlodipine EP Impurity C Impurities CS-O-07175 721958-74-3 In Stock
Amlodipine EP Impurity D HCl Impurities CS-O-52528 2414962-06-2 Enquire
Amlodipine EP Impurity D Oxalate Salt Impurities CS-O-07176 1216406-90-4 In Stock
Amlodipine EP Impurity E Impurities CS-O-07177 140171-65-9 In Stock
Amlodipine EP Impurity E Maleate Impurities CS-P-07032 400024-12-6 In Stock
Amlodipine EP Impurity F Impurities CS-O-07178 140171-66-0 In Stock
Amlodipine EP Impurity G Impurities CS-O-30465 43067-01-2 In Stock
Amlodipine EP Impurity H Impurities CS-O-07180 318465-73-5 In Stock
Amlodipine For Peak Identification Impurities CS-K-00236 111470-99-6 Enquire
Amlodipine Glucose + Galactose adduct Impurities CS-O-50281 Not Available Enquire
Amlodipine glycolic adduct Impurities CS-O-48804 Not Available Enquire
Amlodipine Impurity Impurities CS-P-07028 103094-30-0 Enquire
Amlodipine Impurity 1 Impurities CS-EO-00053 496024-43-2 In Stock
Amlodipine Impurity 21 Impurities CS-O-48139 79781-21-8 Enquire
Amlodipine Impurity 23 Impurities CS-O-03636 88150-75-8 In Stock
Amlodipine Impurity 29 Impurities CS-P-08869 93848-82-9 In Stock
Amlodipine Impurity 31 Impurities CS-O-36165 949155-12-8 Enquire
Amlodipine Impurity 32 Impurities CS-P-08720 1621516-91-3 Enquire
Amlodipine Impurity 34 Impurities CS-P-08501 Not Available Enquire
Amlodipine Impurity 38 Impurities CS-O-52354 88150-61-2 Enquire
Amlodipine Impurity 40 Impurities CS-EO-04104 223734-99-4 Enquire
Amlodipine Impurity 43 Impurities CS-O-59560 400602-36-0 Enquire
Amlodipine Impurity 61 Impurities CS-P-09095 39562-06-6 Enquire
Amlodipine Impurity 8 Impurities CS-P-07030 110962-94-2 Enquire
Amlodipine Impurity F Maleate Impurities CS-P-07026 400024-11-5 Enquire
Amlodipine Lactose adduct Impurities CS-T-93508 749864-27-5 Enquire
Amlodipine Mannitol Adduct Impurities CS-EO-00301 Not Available In Stock
Amlodipine Mannitol Adduct Acetate Salt Impurities CS-T-93231 Not Available In Stock
Amlodipine Mannitol Adduct HCl Salt Impurities CS-O-47351 Not Available Enquire
Amlodipine morpholine impurity Impurities CS-O-43800 2387405-44-7 Enquire
Amlodipine N-Galactose Impurities CS-P-03118 Not Available Enquire
Amlodipine N-Glucose Impurities CS-O-57338 Not Available Enquire
Amlodipine N-Lactoside Impurities CS-P-03120 749864-27-5 In Stock
Amlodipine N-Lactoside (Mixture of Diastereomers) Impurities CS-RS-00113 2173291-00-2 Enquire
Amlodipine orotate Impurities CS-ED-41929 914941-70-1 Enquire
Amlodipine Related Compound A Impurities CS-BX-00696 2138811-33-1 In Stock
Atorvastatin Amlodipine Dimer Impurities CS-P-03227 Not Available Enquire
Atorvastatin-Amlodipine Adduct Impurities CS-T-93457 425408-16-8 In Stock
Benzenesulfonic Acid Ethyl Ester Impurities CS-O-07354 515-46-8 In Stock
Dehydro Amlodipine N-Oxide Impurities CS-P-08597 2418591-36-1 Enquire
Deschloro Amlodipine Impurities CS-T-73778 88150-52-1 In Stock
Deschloro Amlodipine besilate salt Impurities CS-ED-20889 1078163-17-3 Enquire
Desmethyl Amlodipine Impurities CS-O-14974 113994-37-9 Enquire
Di-acid Amlodipine Impurities CS-O-15058 1821498-25-2 Enquire
Diethyl Amlodipine besylate salt impurity Impurities CS-O-16051 Not Available In Stock
Dimethoxy Impurity Deschloro Amlodipine Impurities CS-O-49151 Not Available Enquire
Hydroxyethyl Phthalyl Amlodipine Impurities CS-O-41207 3079028-35-3 In Stock
N-Fomyl Amlodipine Impurities CS-P-07027 93848-81-8 In Stock
N-Nitroso Amlodipine Impurity-1 Impurities CS-EO-02612 Not Available Enquire
Phthaloyl Amlodipine Dimethyl Ester Impurities CS-T-96003 140171-50-2 Enquire
R-Amlodipine Besilate Impurities CS-O-07185 828247-64-9 Enquire
S (-) AMLODIPINE IMPURITY A Impurities CS-O-54142 1221741-20-3 Enquire
S (-) AMLODIPINE IMPURITY B Impurities CS-O-54141 1456891-55-6 Enquire


EP Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Amlodipine besilate (Y0000049) EP Standards CS-EG-00082 111470-99-6 In Stock
Amlodipine for peak identification (Y0001067) EP Standards CS-EG-00086 111470-99-6 In Stock
Amlodipine impurity B (Y0001069) EP Standards CS-EG-00084 721958-72-1 In Stock
Amlodipine impurity G (Y0001070) EP Standards CS-EG-00085 43067-01-2 In Stock


Intermediates

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Amlodipine benzoate Intermediates CS-ED-41100 1239916-29-0 Enquire
p-Cl-Amlodipine Intermediates CS-T-66576 90445-02-6 In Stock