Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Diltiazem, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Diltiazem 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 Diltiazem-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 Diltiazem-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.
Diltiazem Related Compounds
Stable Isotopes
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| "N,N-Didesmethyl Diltiazem-d4 Hydrochloride" | Stable Isotopes | CS-T-91376 | 1246819-75-9 | Enquire |
| (+)-cis-Diltiazem-d3 HCl (acetoxy-d3) | Stable Isotopes | CS-C-01278 | 1217860-13-3 | Enquire |
| Desacetyl Diltiazem D4 HCl | Stable Isotopes | CS-AI-00192 | 112259-40-2 (Free base) | Enquire |
| Desacetyl Diltiazem-d3 | Stable Isotopes | CS-T-73747 | 1246815-32-6 | In Stock |
| Desacetyl Diltiazem-d4 | Stable Isotopes | CS-T-52081 | 112259-40-2 | In Stock |
| Desacetyl Diltiazem-d6 | Stable Isotopes | CS-T-73919 | 1246820-35-8 | Enquire |
| Desacetyl Diltiazem-d6 Hydrochloride | Stable Isotopes | CS-O-06545 | 1309283-22-4 | In Stock |
| Desacetyl Diltiazem-d6 hydrochloride | Stable Isotopes | CS-EL-00139 | 1309283-22-4 | Enquire |
| Desacetyldiltiazem-d5 HCl | Stable Isotopes | CS-B-00271 | 23515-45-9 (unlabeled) | Enquire |
| Diltiazem d4 HCl | Stable Isotopes | CS-T-93268 | 1217769-52-2 | Enquire |
| Diltiazem D5 | Stable Isotopes | CS-EO-02950 | 2012598-87-5 | Enquire |
| Diltiazem D6 HCl | Stable Isotopes | CS-Y-00106 | 1309283-34-8 | Enquire |
| Diltiazem-d3 Hydrochloride | Stable Isotopes | CS-T-90224 | 1217623-80-7 | In Stock |
| Diltiazem-d4 | Stable Isotopes | CS-O-13615 | 112259-41-3 | In Stock |
| Diltiazem-d5 HCl | Stable Isotopes | CS-B-00269 | 33286-22-5 (unlabeled) | Enquire |
| Diltiazem-d6 | Stable Isotopes | CS-O-06546 | 1242184-41-3 | In Stock |
| N-Desmethyl Diltiazem D4 | Stable Isotopes | CS-O-35412 | Not Available | Enquire |
| N-Desmethyl Diltiazem-d3 Hydrochloride | Stable Isotopes | CS-T-52219 | 130606-60-9(Unlabeled) | In Stock |
| N-Desmethyl Diltiazem-d4 Hydrochloride | Stable Isotopes | CS-O-06547 | 1217650-51-5 | In Stock |
| N-desmethyl N-nitroso Diltiazem-D3 | Stable Isotopes | CS-O-52036 | Not Available | Enquire |
| N-Desmethyldiltiazem-d5 Maleate | Stable Isotopes | CS-B-00229 | 86408-45-9 (unlabeled) free base | Enquire |
| N-Desmethyl-N-acetyl Diltiazem-d4 | Stable Isotopes | CS-T-97626 | 2714472-51-0 | Enquire |
| O-Desacetyl N-Desmethyl Diltiazem-d3 | Stable Isotopes | CS-O-16816 | 86408-44-8(Unlabeled) | In Stock |
API Standards
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Diltiazem | API Standards | CS-O-10274 | 42399-41-7 | Enquire |
| Diltiazem Hydrochloride | API Standards | CS-O-14544 | 33286-22-5 | In Stock |
Metabolites
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Desacetyl Diltiazem | Metabolites | CS-O-05867 | 42399-40-6 | In Stock |
| Desacetyl Diltiazem Hydrochloride | Metabolites | CS-T-15874 | 75472-91-2 | In Stock |
| Desacetyl N, O-didesmethyl Diltiazem | Metabolites | CS-O-32532 | 86408-42-6 | Enquire |
| Diltiazem Sulfoxide | Metabolites | CS-O-32533 | 370094-12-5 | In Stock |
| Diltiazem sulphone-N-oxide | Metabolites | CS-O-33041 | Not Available | Enquire |
| Diltiazem sulphoxide-N-oxide | Metabolites | CS-O-33040 | Not Available | Enquire |
| N-desmethyl Diltiazem | Metabolites | CS-O-05870 | 86408-45-9 | Enquire |
| N-Desmethyl Diltiazem Hydrochloride | Metabolites | CS-T-16220 | 130606-60-9 | In Stock |
| N-Desmethyl Diltiazem Sulfoxide | Metabolites | CS-O-46915 | Not Available | In Stock |
| O-Desacetyl-N-desmethyl Diltiazem | Metabolites | CS-T-15693 | 86408-44-8 | In Stock |
Impurities
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| "N,N,O-Tridesmethyl Diltiazem" | Impurities | CS-T-45094 | 159734-23-3 | Enquire |
| (2R-trans)-Diltiazem Hydrochloride | Impurities | CS-T-91919 | 103532-27-0 | Enquire |
| (2S-trans)-Diltiazem Hydrochloride | Impurities | CS-T-91958 | 103532-26-9 | Enquire |
| (R,R)-Diltiazem | Impurities | CS-EO-03242 | 75472-92-3 | Enquire |
| 4-O-Desmethyl 4-O-Acetyl Diltiazem | Impurities | CS-T-16140 | 85365-35-1 | Enquire |
| Acetoxy Lactam Diltiazem | Impurities | CS-T-15781 | 87447-47-0 | In Stock |
| Deacetyl Diltiazem N-Oxide | Impurities | CS-T-51635 | 122619-90-3 | In Stock |
| Deacetyl o-demethyl diltiazem | Impurities | CS-EO-00445 | 84903-82-2 | Enquire |
| Diltiazem dihydrolysed impurity | Impurities | CS-O-33043 | Not Available | Enquire |
| Diltiazem DTZ-I Impurity | Impurities | CS-EO-00007 | 30842-48-9 | Enquire |
| Diltiazem EP Impurity A | Impurities | CS-O-14275 | 111188-71-7 | In Stock |
| Diltiazem EP Impurity C | Impurities | CS-O-14276 | 142926-07-6 | Enquire |
| Diltiazem EP Impurity C Hydrochloride (O-Desmethyl Diltiazem... | Impurities | CS-P-07607 | 1286126-67-7 | Enquire |
| Diltiazem Epoxide (2R,3S) Isomers | Impurities | CS-ED-41726 | 96125-49-4 | Enquire |
| Diltiazem formamide impurity | Impurities | CS-O-50267 | 1643948-42-8 | In Stock |
| Diltiazem Impurity 1 | Impurities | CS-O-32534 | Not Available | In Stock |
| Diltiazem Impurity 2 | Impurities | CS-O-32553 | 2725627-13-2 | Enquire |
| Diltiazem Impurity G (N-Desmethyl Desacetyl Diltiazem Hydroc... | Impurities | CS-P-04159 | 142926-11-2 | Enquire |
| Diltiazem monohydrolysed impurity | Impurities | CS-O-33042 | Not Available | Enquire |
| Diltiazem N-Oxide | Impurities | CS-T-90720 | 142843-04-7 | In Stock |
| Diltiazem related compound H | Impurities | CS-O-15657 | 115992-91-1 | Enquire |
| Diltiazem Sulphone | Impurities | CS-O-33039 | Not Available | Enquire |
| Diltiazem-d3 Hydrochloride | Impurities | CS-P-04160 | Not Available | Enquire |
| dl-cis-Diltiazem | Impurities | CS-O-46574 | 56209-45-1 | Enquire |
| DTZ-II Diltiazem impurity | Impurities | CS-SN-00105 | Not Available | Enquire |
| N,N-didesmethyl diltiazem | Impurities | CS-T-93675 | 115973-28-9 | Enquire |
| N,N-Didesmethyl Diltiazem Hydrochloride | Impurities | CS-T-17968 | 116050-35-2 | Enquire |
| N,N-Didesmethyl N-tert-Butoxycarbonyl Diltiazem | Impurities | CS-T-52741 | 1289643-62-4 | Enquire |
| N-Acetyl Diltiazem | Impurities | CS-EO-00710 | Not Available | Enquire |
| N-Desmethyldiltiazem Maleate | Impurities | CS-B-00272 | 86408-45-9(freebase) | Enquire |
| O-Desmethyldiltiazem | Impurities | CS-ZH-20085 | 84903-78-6 | Enquire |
| rel-N-Desmethyl Desacetyl Diltiazem | Impurities | CS-O-41196 | 81353-09-5 | Enquire |
Intermediates
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| (R,R)-Diltiazem Hydrochloride | Intermediates | CS-T-89336 | 42399-54-2 | Enquire |
| Deacetyl-O-demethyl Diltiazem Hydrobromide | Intermediates | CS-T-14493 | 142926-10-1 | Enquire |
| Des[5-(2-dimethylamino)ethyl] N-Methyl Diltiazem | Intermediates | CS-ED-37778 | 2067323-40-2 | Enquire |
| rac-Desacetyl Diltiazem Hydrochloride | Intermediates | CS-T-15686 | 23515-45-9 | Enquire |
Fine Chemicals
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 2,3-Dehydro Desacetyl Diltiazem | Fine Chemicals | CS-O-38047 | 802327-36-2 | In Stock |
| N-Demethyldiltiazem | Fine Chemicals | CS-ZH-41789 | 85100-17-0 | Enquire |