Amlodipine impurities and related standards
49 reference standards related to Amlodipine held in the RSSE catalogue — pharmacopoeial impurities, non-compendial impurities, metabolites and labelled analogues where available.
In this group: 47 impurity reference standards · 2 stable isotope labelled standards. CAS numbers are listed for 49 of 49; 46 entries carry a structure drawing.
| Compound | CAS No. | Catalogue No. | Formula | MW |
|---|---|---|---|---|
| Amlodipine Impurity 13 | 113994-37-9 | RS-A028004 | C19H23ClN2O5 | 394.85 |
| Amlodipine Impurity 33 | 1185246-14-3 | RS-A028006 | C20H21D4ClN2O5 | 412.9 |
| Amlodipine Impurity 26 | 136744-85-9 | RS-A028009 | C7H11NO3 | 157.17 |
| Amlodipine Impurity 39 | 140171-49-9 | RS-A028010 | C29H29ClN2O7 | 553 |
| Amlodipine Impurity 38 | 140171-50-2 | RS-A028011 | C27H25ClN2O7 | 524.95 |
| Amlodipine EP Impurity E | 140171-65-9 | RS-A028012 | C21H27ClN2O5 | 422.9 |
| Amlodipine EP Impurity F | 140171-66-0 | RS-A028013 | C19H23ClN2O5 | 394.85 |
| Amlodipine Impurity 25 | 14205-39-1 | RS-A028014 | C5H9NO2 | 115.13 |
| Amlodipine Impurity 57 | 1563063-13-7 | RS-A028015 | C21H25ClN2O5 | 420.89 |
| Amlodipine EP Impurity J | 158151-92-9 | RS-A028016 | C22H29ClN2O5 | 436.93 |
| Amlodipine Impurity 14 | 1809326-44-0 | RS-A028018 | C18H21ClN2O5 | 380.82 |
| Amlodipine Impurity 15 | 1821498-25-2 | RS-A028019 | C17H19ClN2O5 | 366.8 |
| Amlodipine Impurity 17 | 19532-97-9 | RS-A028020 | C12H16N2O4 | 252.27 |
| Amlodipine Impurity 28 | 19532-98-0 | RS-A028021 | C10H12N2O2 | 192.21 |
| Amlodipine EP Impurity D | 2138811-33-1 | RS-A028022 | C20H23ClN2O5.C4H4O4 | 522.9 |
| Amlodipine EP Impurity D(Hydrochloride) | 2414962-06-2 | RS-A028023 | C20H23ClN2O5.HCl | 443.3 |
| Amlodipine Impurity 34 | 2418591-36-1 | RS-A028024 | C20H23ClN2O6 | 422.86 |
| Amlodipine Impurity 61 | 24393-51-9 | RS-A028025 | C11H11ClO2 | 210.66 |
| Amlodipine Impurity 44 | 2802443-91-8 | RS-A028026 | C20H20ClNO5 | 389.83 |
| Amlodipine Impurity 68 | 2923811-72-5 | RS-A028027 | C36H30ClN3O9 | 684.09 |
| Amlodipine Impurity 59 | 2923811-73-6 | RS-A028028 | C20H26ClN3O5 | 423.89 |
| Amlodipine EP Impurity H | 318465-73-5 | RS-A028029 | C28H29ClN2O8 | 556.99 |
| Amlodipine Impurity 8 | 331258-31-2 | RS-A028030 | C23H32ClN3O6 | 481.97 |
| Amlodipine Impurity 83 | 3516-73-2 | RS-A028032 | C14H15ClO5 | 298.72 |
| Amlodipine Impurity 47 | 400024-08-0 | RS-A028034 | C23H20ClNO6 | 441.86 |
| Amlodipine EP Impurity G | 43067-01-2 | RS-A028037 | C17H18ClNO4 | 335.78 |
| Amlodipine Impurity 32 | 496024-43-2 | RS-A028038 | C20H22ClNO5 | 391.85 |
| Amlodipine Impurity 18 | 58535-38-9 | RS-A028039 | C10H9NO3 | 191.18 |
| Amlodipine Impurity 27 | 6843-36-3 | RS-A028040 | C9H9NO3 | 179.17 |
| Amlodipine EP Impurity B | 721958-72-1 | RS-A028041 | C29H32ClN3O7 | 570.03 |
| Amlodipine Impurity C | 721958-74-3 | RS-A028042 | C22H30ClN3O6 | 467.94 |
| Amlodipine EP Impurity A | 88150-62-3 | RS-A028044 | C28H27ClN2O7 | 538.98 |
| Amlodipine Impurity 78 | 88150-75-8 | RS-A028045 | C16H17NO6 | 319.31 |
| Amlodipine Impurity 49 | 90445-02-6 | RS-A028046 | C20H25ClN2O5 | 408.15 |
| Amlodipine Impurity 45 | 949155-13-9 | RS-A028048 | C20H22ClNO5 | 391.85 |
| Amlodipine Impurity 29 | 98-11-3 | RS-A028049 | C6H6O3S | 158.18 |
| Amlodipine Impurity | 103094-30-0 | RS-A028002 | C25H34ClNO6 | 480.01 |
| Amlodipine Impurity 26 | 107812-86-2 | RS-A028003 | C18H19Cl2NO4 | 384.25 |
| Amlodipine EP Impurity D | 113994-41-5 | RS-A028005 | C20H23ClN2O5 | 406.86 |
| Amlodipine Impurity 32 | 1621516-91-3 | RS-A028017 | C18H20ClNO3 | 333.81 |
| Amlodipine Impurity 20 | 34148-67-9 | RS-A028031 | C19H22ClNO4 | 363.84 |
| Amlodipine Impurity 6 (N-(2-Hydroxyethyl)phthalimide) | 3891-07-4 | RS-A028033 | C10H9NO3 | 191.19 |
| Amlodipine EP Impurity F Maleate | 400024-11-5 | RS-A028035 | C19H23ClN2O5.C4H4O4 | 394.86 |
| Amlodipine EP Impurity E Maleate | 400024-12-6 | RS-A028036 | C21H27ClN2O5.C4H4O4 | 422.91 |
| Amlodipine Impurity 28 | 79781-21-8 | RS-A028043 | C18H20ClNO5 | 365.81 |
| Amlodipine Impurity 29 | 93848-82-9 | RS-A028047 | C22H27ClN2O6 | 450.92 |
| (S)-Amlodipine-d4 | 1346617-19-3 | RS-A028008 | C20H21D4ClN2O5 | 412.9 |
| Amlodipine Impurity 65(Hydrochloride) | 103069-33-6 | RS-A028001 | C20H26N2O5.HCl | 374.43 |
| Amlodipine Impurity 27 Disodium Salt | 120289-11-4 | RS-A028007 | C19H18ClNO7·2Na | 407.81 |
Structures
-
Amlodipine Impurity 13
COA per lot -
Amlodipine Impurity 33
COA per lot -
Amlodipine Impurity 26
COA per lot -
Amlodipine Impurity 39
COA per lot -
Amlodipine Impurity 38
COA per lot -
Amlodipine EP Impurity E
COA per lot -
Amlodipine EP Impurity F
COA per lot -
Amlodipine Impurity 25
COA per lot
Frequently asked
How many Amlodipine-related reference standards do you hold?
49 standards are listed on this page as of the latest catalogue build. CAS numbers are published for 49 of them and 46 entries carry a structure drawing. The catalogue is extended as new lots are released.
Can you supply an Amlodipine impurity that is not listed here?
Yes. Non-compendial impurities can be quoted from a structure — a CAS number is not required. Send the structure, a SMILES string or the parent drug substance with your enquiry and we will come back with availability.
What documentation is supplied with Amlodipine impurities?
Every lot ships with its own certificate of analysis. The certificate records the catalogue number, the batch number, the tests performed, the specification applied and the result obtained for that lot. A safety data sheet is supplied with the shipment.
Do you publish prices or a lead time for Amlodipine impurities?
No price list is published: quotations are prepared per enquiry, because availability and packing depend on the lot and the quantity you need. Send the catalogue number and the quantity and a technical contact will answer with availability and a quotation.
Cannot find the impurity you need? Non-compendial impurities can be quoted from a structure — a CAS number is not required. Write to [email protected].







