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 |
|---|---|---|---|---|
| (+)-cis-Diltiazem-d3 HCl (acetoxy-d3) | Stable Isotopes | CS-C-01278 | 1217860-13-3 | 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 Hydrochloride | Stable Isotopes | CS-O-06545 | 1309283-22-4 | In Stock |
| Desacetyldiltiazem-d5 HCl | Stable Isotopes | CS-B-00271 | 23515-45-9 (unlabeled) | Enquire |
| Diltiazem D5 | Stable Isotopes | CS-EO-02950 | 2012598-87-5 | 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-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-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 |
| Desacetyl Diltiazem D4 HCl | Stable Isotopes | CS-AI-00192 | 112259-40-2 (Free base) | Enquire |
| Desacetyl Diltiazem-d4 Hydrochloride | Stable Isotopes | CS-T-95088 | Not Available | Enquire |
| Desacetyl Diltiazem-d6 | Stable Isotopes | CS-T-73919 | 1246820-35-8 | Enquire |
| Desacetyl Diltiazem-d6 hydrochloride | Stable Isotopes | CS-EL-00139 | 1309283-22-4 | Enquire |
| Diltiazem d4 HCl | Stable Isotopes | CS-T-93268 | 1217769-52-2 | Enquire |
| Diltiazem D6 HCl | Stable Isotopes | CS-Y-00106 | 1309283-34-8 | Enquire |
| Diltiazem Hydrochloride Salt -D2 | Stable Isotopes | CS-SN-00021 | Not Available | Enquire |
| N,N-Didesmethyl Diltiazem-d4 Hydrochloride | Stable Isotopes | CS-T-91376 | 1246819-75-9 | Enquire |
| N-Desmethyl Diltiazem D4 | Stable Isotopes | CS-O-35412 | Not Available | Enquire |
| N-Desmethyldiltiazem-d5 Maleate | Stable Isotopes | CS-B-00229 | 86408-45-9 (unlabeled) free base | Enquire |
API
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Diltiazem Hydrochloride | API | CS-O-14544 | 33286-22-5 | In Stock |
| Diltiazem | API | CS-O-10274 | 42399-41-7 | Enquire |
Metabolite
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Desacetyl Diltiazem | Metabolite | CS-O-05867 | 42399-40-6 | In Stock |
| Desacetyl Diltiazem Hydrochloride | Metabolite | CS-T-15874 | 75472-91-2 | In Stock |
| Desacetyl N, O-Didesmethyl Diltiazem HCl salt | Metabolite | CS-EO-03489 | 142926-09-8 | Enquire |
| Diltiazem N,N-DiDesmethyl TFA Salt | Metabolite | CS-EO-03488 | 115973-28-9 (Freebase) | Enquire |
| Diltiazem Sulfoxide | Metabolite | CS-O-32533 | 370094-12-5 | In Stock |
| N,N,O-Tridesmethyl Desacetyl Diltiazem | Metabolite | CS-EO-03487 | 115992-91-1 (Freebase) | Enquire |
| N-Desmethyl Diltiazem Hydrochloride | Metabolite | CS-T-16220 | 130606-60-9 | In Stock |
| N-Desmethyl Diltiazem Sulfoxide | Metabolite | CS-O-46915 | Not Available | In Stock |
| O-Desacetyl-N-desmethyl Diltiazem | Metabolite | CS-T-15693 | 86408-44-8 | In Stock |
| Desacetyl N, O-didesmethyl Diltiazem | Metabolite | CS-O-32532 | 86408-42-6 | Enquire |
| Diltiazem sulphone-N-oxide | Metabolite | CS-O-33041 | Not Available | Enquire |
| Diltiazem sulphoxide-N-oxide | Metabolite | CS-O-33040 | Not Available | Enquire |
| N-desmethyl Diltiazem | Metabolite | CS-O-05870 | 86408-45-9 | Enquire |
Impurity
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| (R,R)-Diltiazem | Impurity | CS-EO-03242 | 75472-92-3 | Enquire |
| Acetoxy Lactam Diltiazem | Impurity | CS-T-15781 | 87447-47-0 | In Stock |
| Deacetyl Diltiazem N-Oxide | Impurity | CS-T-51635 | 122619-90-3 | In Stock |
| Diltiazem EP Impurity A | Impurity | CS-O-14275 | 111188-71-7 | In Stock |
| Diltiazem EP Impurity C Hydrobromide | Impurity | CS-O-14276 | 142926-07-6 | Enquire |
| Diltiazem Epoxide (2R,3S) Isomers | Impurity | CS-ED-41726 | 96125-49-4 | Enquire |
| Diltiazem Epoxide (2S,3R) Isomers | Impurity | CS-ED-41725 | 137173-40-1 | Enquire |
| Diltiazem Formamide Impurity | Impurity | CS-O-50267 | 1643948-42-8 | In Stock |
| Diltiazem Impurity 1 | Impurity | CS-O-32534 | Not Available | In Stock |
| Diltiazem N-Oxide | Impurity | CS-T-90720 | 142843-04-7 | In Stock |
| dl-cis-Diltiazem | Impurity | CS-O-46574 | 56209-45-1 | Enquire |
| DTZ-II Diltiazem impurity | Impurity | CS-SN-00105 | Not Available | Enquire |
| N-Desmethyldiltiazem Maleate | Impurity | CS-B-00272 | 86408-45-9(freebase) | Enquire |
| rac-Desacetyl Diltiazem Hydrochloride | Impurity | CS-T-15686 | 23515-45-9 | Enquire |
| (2R-trans)-Diltiazem Hydrochloride | Impurity | CS-T-91919 | 103532-27-0 | Enquire |
| (2S-trans)-Diltiazem Hydrochloride | Impurity | CS-T-91958 | 103532-26-9 | Enquire |
| 4-O-Desmethyl 4-O-Acetyl Diltiazem | Impurity | CS-T-16140 | 85365-35-1 | Enquire |
| Deacetyl o-demethyl diltiazem | Impurity | CS-EO-00445 | 84903-82-2 | Enquire |
| Diltiazem dihydrolysed impurity | Impurity | CS-O-33043 | Not Available | Enquire |
| Diltiazem DTZ-I Impurity | Impurity | CS-EO-00007 | 30842-48-9 | Enquire |
| Diltiazem EP Impurity C Hydrochloride (O-Desmethyl Diltiazem... | Impurity | CS-P-07607 | 1286126-67-7 | Enquire |
| Diltiazem Impurity 2 | Impurity | CS-O-32553 | 2725627-13-2 | Enquire |
| Diltiazem Impurity G (N-Desmethyl Desacetyl Diltiazem Hydroc... | Impurity | CS-P-04159 | 142926-11-2 | Enquire |
| Diltiazem monohydrolysed impurity | Impurity | CS-O-33042 | Not Available | Enquire |
| Diltiazem related compound H | Impurity | CS-O-15657 | 115992-91-1 | Enquire |
| Diltiazem Sulphone | Impurity | CS-O-33039 | Not Available | Enquire |
| N,N,O-Tridesmethyl Diltiazem | Impurity | CS-T-45094 | 159734-23-3 | Enquire |
| N,N-didesmethyl diltiazem | Impurity | CS-T-93675 | 115973-28-9 | Enquire |
| N,N-Didesmethyl Diltiazem Hydrochloride | Impurity | CS-T-17968 | 116050-35-2 | Enquire |
| N,N-Didesmethyl N-tert-Butoxycarbonyl Diltiazem | Impurity | CS-T-52741 | 1289643-62-4 | Enquire |
| N-Acetyl Diltiazem | Impurity | CS-EO-00710 | Not Available | Enquire |
| O-Desmethyldiltiazem | Impurity | CS-ZH-20085 | 84903-78-6 | Enquire |
| rel-N-Desmethyl Desacetyl Diltiazem | Impurity | CS-O-41196 | 81353-09-5 | Enquire |
EP Standards
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Diltiazem for system suitability containing Impurity A | EP Standards | CS-EG-03443 | 33286-22-5 | 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 |