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.
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-d4 | Stable Isotopes | CS-CX-00109 | 1185246-14-3 | In Stock |
| Amlodipine-d4 Maleate | Stable Isotopes | CS-O-02810 | 88150-47-4 (Unlabeled) | Enquire |
| Amlodipine-d4 Maleic Acid Salt (2-Chlorophenyl-d4) | Stable Isotopes | CS-T-95037 | 2714486-25-4 | Enquire |
| N-Nitroso Levoamlodipine D4 | Stable Isotopes | CS-O-58365 | ---- | 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 |
| 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 |
| S-Amlodipine D4 | Stable Isotopes | CS-O-06405 | 1346617-19-3 | Enquire |
API
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Amlodipine | API | CS-O-10834 | 88150-42-9 | In Stock |
| Amlodipine Besylate | API | CS-O-10961 | 111470-99-6 | In Stock |
| Amlodipine Hydrochloride | API | CS-O-48754 | 246852-07-3 | Enquire |
| Amlodipine Maleate | API | CS-O-03795 | 88150-47-4 | In Stock |
| Amlodipine Mesylate | API | CS-O-47266 | 246852-12-0 | Enquire |
| Levamlodipine Besylate Hemipentahydrate | API | CS-EO-03315 | 884648-62-8 | Enquire |
| Amlodipine nicotinate | API | CS-O-36537 | Not Available | Enquire |
| Levamlodipine maleate | API | CS-ED-01846 | 135969-53-8 | Enquire |
Metabolite
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Amlodipine Metabolite 4 | Metabolite | CS-T-52137 | 113994-45-9 | Enquire |
| Levamlodipine M10 metabolite | Metabolite | CS-O-51783 | Not Available | Enquire |
| Levamlodipine M12 metabolite | Metabolite | CS-O-51784 | Not Available | Enquire |
| Levamlodipine M4 metabolite | Metabolite | CS-O-51782 | Not Available | Enquire |
| Amlodipine carboxylic acid | Metabolite | CS-CX-00104 | 90445-14-0 | Enquire |
Impurity
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| (R)-Amlodipine Hemi-dibenzoyl-L-tartrate | Impurity | CS-T-66436 | 890046-37-4 | Enquire |
| 2-[(2-Chlorophenyl)methylene]-4-[2-(1,3-dihydro-1,3-dioxo-2H... | Impurity | CS-T-72617 | 400024-08-0 | Enquire |
| Amlodipin EP Impurity D | Impurity | CS-O-16348 | 113994-41-5 | In Stock |
| Amlodipine aminoethyl | Impurity | CS-O-52456 | 2923811-73-6 | Enquire |
| Amlodipine Aspartic Acid Impurity | Impurity | CS-P-07029 | 400602-35-9 | Enquire |
| Amlodipine Azido Impurity | Impurity | CS-T-04601 | 88150-46-3 | In Stock |
| Amlodipine Besylate Impurity D Besylate salt | Impurity | CS-EO-02310 | 2733700-89-3 | Enquire |
| Amlodipine EP Impurity A | Impurity | CS-O-07173 | 88150-62-3 | In Stock |
| Amlodipine EP Impurity B | Impurity | CS-O-07174 | 721958-72-1 | In Stock |
| Amlodipine EP Impurity C | Impurity | CS-O-07175 | 721958-74-3 | In Stock |
| Amlodipine EP Impurity D HCl | Impurity | CS-O-52528 | 2414962-06-2 | Enquire |
| Amlodipine EP Impurity D Oxalate Salt | Impurity | CS-O-07176 | 1216406-90-4 | In Stock |
| Amlodipine EP Impurity E | Impurity | CS-O-07177 | 140171-65-9 | In Stock |
| Amlodipine EP Impurity E Maleate | Impurity | CS-P-07032 | 400024-12-6 | In Stock |
| Amlodipine EP Impurity F | Impurity | CS-O-07178 | 140171-66-0 | In Stock |
| Amlodipine EP Impurity G | Impurity | CS-O-30465 | 43067-01-2 | In Stock |
| Amlodipine EP Impurity H | Impurity | CS-O-07180 | 318465-73-5 | In Stock |
| Amlodipine Glucose + Galactose adduct | Impurity | CS-O-50281 | ---- | Enquire |
| Amlodipine glycolic adduct | Impurity | CS-O-48804 | ---- | Enquire |
| Amlodipine Impurity 1 | Impurity | CS-EO-00053 | 496024-43-2 | In Stock |
| Amlodipine Impurity 21 | Impurity | CS-O-48139 | 79781-21-8 | Enquire |
| Amlodipine Impurity 23 | Impurity | CS-O-03636 | 88150-75-8 | In Stock |
| Amlodipine Impurity 29 | Impurity | CS-P-08869 | 93848-82-9 | In Stock |
| Amlodipine Impurity 3 | Impurity | CS-O-60319 | 90445-05-9 | Enquire |
| Amlodipine Impurity 31 | Impurity | CS-O-36165 | 949155-12-8 | Enquire |
| Amlodipine Impurity 38 | Impurity | CS-O-52354 | 88150-61-2 | Enquire |
| Amlodipine Impurity 40 | Impurity | CS-EO-04104 | 223734-99-4 | Enquire |
| Amlodipine Impurity 43 | Impurity | CS-O-59560 | 400602-36-0 | Enquire |
| Amlodipine Impurity 61 | Impurity | CS-P-09095 | 39562-06-6 | Enquire |
| Amlodipine Impurity F Maleate | Impurity | CS-P-07026 | 400024-11-5 | Enquire |
| Amlodipine Mannitol Adduct | Impurity | CS-EO-00301 | ---- | In Stock |
| Amlodipine Mannitol Adduct Acetate Salt | Impurity | CS-T-93231 | ---- | In Stock |
| Amlodipine Mannitol Adduct HCl Salt | Impurity | CS-O-47351 | Not Available | Enquire |
| Amlodipine morpholine impurity | Impurity | CS-O-43800 | 2387405-44-7 | Enquire |
| Amlodipine N-Galactose | Impurity | CS-P-03118 | ---- | Enquire |
| Amlodipine N-Glucose | Impurity | CS-O-57338 | ---- | Enquire |
| Amlodipine N-Lactoside | Impurity | CS-P-03120 | 749864-27-5 | In Stock |
| Amlodipine N-Lactoside (Mixture of Diastereomers) | Impurity | CS-RS-00113 | 2173291-00-2 | Enquire |
| Amlodipine orotate | Impurity | CS-ED-41929 | 914941-70-1 | Enquire |
| Amlodipine Related Compound A | Impurity | CS-BX-00696 | 2138811-33-1 | In Stock |
| Atorvastatin-Amlodipine Adduct | Impurity | CS-T-93457 | 425408-16-8 | In Stock |
| Benzenesulfonic Acid Ethyl Ester | Impurity | CS-O-07354 | 515-46-8 | In Stock |
| Deschloro Amlodipine | Impurity | CS-T-73778 | 88150-52-1 | In Stock |
| Deschloro Amlodipine besilate salt | Impurity | CS-ED-20889 | 1078163-17-3 | Enquire |
| Deschloro Phthaloylamlodipine | Impurity | CS-O-49150 | Not Available | Enquire |
| Diethyl Amlodipine besylate salt impurity | Impurity | CS-O-16051 | ---- | In Stock |
| Dimethoxy Impurity Deschloro Amlodipine | Impurity | CS-O-49151 | Not Available | Enquire |
| Hydroxyethyl Phthalyl Amlodipine | Impurity | CS-O-41207 | 3079028-35-3 | In Stock |
| N-Fomyl Amlodipine | Impurity | CS-P-07027 | 93848-81-8 | In Stock |
| Phthaloyl Amlodipine Dimethyl Ester | Impurity | CS-T-96003 | 140171-50-2 | Enquire |
| R-Amlodipine | Impurity | CS-T-03629 | 103129-81-3 | In Stock |
| R-Amlodipine Besilate | Impurity | CS-O-07185 | 828247-64-9 | Enquire |
| S (-) AMLODIPINE IMPURITY A | Impurity | CS-O-54142 | 1221741-20-3 | Enquire |
| S (-) AMLODIPINE IMPURITY B | Impurity | CS-O-54141 | 1456891-55-6 | Enquire |
| (S)-Amlodipine Di-p-Toluoyl-D-tartrate | Impurity | CS-T-66275 | 1215226-53-1 | Enquire |
| (Z)-Ethyl 2-(2-chlorobenzylidene)-4-(2-(1,3-dioxoisoindolin-... | Impurity | CS-O-40835 | Not Available | Enquire |
| 5-ethyl 7-methyl 6-(2-chlorophenyl)-8-methyl-3,4-dihydroxy-2... | Impurity | CS-O-35924 | Not Available | Enquire |
| Alogliptin impurity Q | Impurity | CS-T-28281 | 3891-07-4 | Enquire |
| Amlodipine For Peak Identification | Impurity | CS-K-00236 | 111470-99-6 | Enquire |
| Amlodipine Galactose Adduct | Impurity | CS-EO-01338 | Not Available | Enquire |
| Amlodipine Impurity | Impurity | CS-P-07028 | 103094-30-0 | Enquire |
| Amlodipine Impurity 19 | Impurity | CS-EO-01926 | Not Available | Enquire |
| Amlodipine Impurity 25 | Impurity | CS-EO-01200 | Not Available | Enquire |
| Amlodipine Impurity 32 | Impurity | CS-P-08720 | 1621516-91-3 | Enquire |
| Amlodipine Impurity 34 | Impurity | CS-P-08501 | Not Available | Enquire |
| Amlodipine Impurity 8 | Impurity | CS-P-07030 | 110962-94-2 | Enquire |
| Amlodipine Lactose adduct | Impurity | CS-T-93508 | 749864-27-5 | Enquire |
| Amlodipine Methyl Ester | Impurity | CS-EO-01585 | Not Available | Enquire |
| Dehydro Amlodipine N-Oxide | Impurity | CS-P-08597 | 2418591-36-1 | Enquire |
| Desmethyl Amlodipine | Impurity | CS-O-14974 | 113994-37-9 | Enquire |
| Di-acid Amlodipine | Impurity | CS-O-15058 | 1821498-25-2 | Enquire |
| R-Amlodipine hemipentahydrate | Impurity | CS-O-45850 | 103129-81-3 (Freebase) | Enquire |
Intermediate
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Amlodipine Bromo intermediate | Intermediate | CS-O-46556 | 1309115-67-0 | Enquire |
| p-Cl-Amlodipine | Intermediate | CS-T-66576 | 90445-02-6 | In Stock |
Fine Chemicals
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 4-Chloro-3-oxobutanoyl chloride | Fine Chemicals | CS-MM-47714 | 41295-64-1 | Enquire |
Nitrosamine
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Amlodipine Nitroso Impurity | Nitrosamine | CS-EO-01203 | Not Available | Discontinued |
| Amlodipine Nitroso N-Lactoside | Nitrosamine | CS-EO-03233 | Not Available | Enquire |
| N-Nitroso Amlodipine | Nitrosamine | CS-O-38884 | 3048033-49-1 | discontinued |
| N-Nitroso Amlodipine EP Impurity A | Nitrosamine | CS-O-48983 | Not Available | Discontinued |
| N-Nitroso Amlodipine EP Impurity B | Nitrosamine | CS-O-51266 | Not Available | Discontinued |
| N-Nitroso Amlodipine EP Impurity E | Nitrosamine | CS-O-48984 | Not Available | Discontinued |
| N-Nitroso Amlodipine EP Impurity F | Nitrosamine | CS-O-51262 | Not Available | Discontinued |
| N-Nitroso Amlodipine EP Impurity F maleate | Nitrosamine | CS-O-48985 | Not Available | Discontinued |
| N-Nitroso Amlodipine Impurity-1 | Nitrosamine | CS-EO-02612 | ---- | Enquire |
| N-Nitroso Amlodipine Methyl Ester Analogue | Nitrosamine | CS-O-51268 | Not Available | Enquire |
| N-Nitroso levamlodipine | Nitrosamine | CS-O-50069 | ---- | Discontinued |
Secondary Standards
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Amlodipine besylate (besilate) | Secondary Standards | CS-SS-24015 | 88150-42-9 | Enquire |
| Amlodipine Related Compound A | Secondary Standards | CS-SS-26617 | 2138811-33-1 | Enquire |
| Amlodipine besylate | Secondary Standards | CS-SS-24218-1GM | 111470-99-6 | Enquire |
| Amlodipine besylate (besilate) | Secondary Standards | CS-SS-24015-250MG | 88150-42-9 | Enquire |
| Amlodipine besylate (besilate) | Secondary Standards | CS-SS-24015-1GM | 88150-42-9 | Enquire |
| Amlodipine impurity 1 (Secondary Standards traceble to BP) | Secondary Standards | CS-ER-03060 | 496024-43-2 | Enquire |
| Amlodipine Impurity B | Secondary Standards | CS-SS-24970-50MG | 721958-72-1 | Enquire |
| Amlodipine Related Compound A | Secondary Standards | CS-SS-24969-50MG | 2138811-33-1 | Enquire |
| Amlodipine Related Compound C | Secondary Standards | CS-SS-24971-50MG | 43067-01-02 | Enquire |
| Amlodipine Related Compound D | Secondary Standards | CS-SS-24972-50MG | 88150-62-3 | Enquire |
| Amlodipine Related Compound F | Secondary Standards | CS-ER-03073 | 400024-11-5 | Enquire |
| Amlodipine Related Compound K | Secondary Standards | CS-SS-24973-50MG | 1621516-91-3 | Enquire |
Peptide
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Desethyl Amlodipine | Peptide | CS-O-14975 | 1809326-44-0 | In Stock |
Analytical Standard
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| N-Nitroso Amlodipine | Analytical Standard | CS-O-38884-10MG | ---- | Enquire |
| N-Nitroso levamlodipine | Analytical Standard | CS-O-50069-10MG | ---- | Enquire |
| N-nitroso-amlodipine-100 PPM in Acetonitrile | Analytical Standard | CS-O-38884-1.5ML | ---- | Discontinued |
| N-nitroso-levamlodipine-100 PPM in Acetonitrile | Analytical Standard | CS-O-50069-1.5ML | ---- | Discontinued |
Chiral
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| S-Amlodipine Besylate | Chiral | CS-O-07183 | 150566-71-5 | In Stock |
| (S)-Amlodipine | Chiral | CS-TA-16351 | 103129-82-4 | Enquire |
EP Standards
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Amlodipine for Peak Identification EP D,E & F mixture | EP Standards | CS-EG-03302 | Not Available | Enquire |
| Amlodipine for peak identification(Y0001067) | EP Standards | CS-BX-02702 | 111470-99-6 | Enquire |