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-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-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 Hydrochloride | Stable Isotopes | CS-O-06547 | 1217650-51-5 | In Stock |
| 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
| 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 Sulfoxide | Metabolite | CS-O-46915 | Not Available | In Stock |
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 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 |
| 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-Deacetyl-N-monodemethyldiltiazem Hydrochloride | Impurity | CS-O-60531 | 40861-80-1 | Enquire |
| rac-Desacetyl Diltiazem Hydrochloride | Impurity | CS-T-15686 | 23515-45-9 | Enquire |
| (2S-trans)-Diltiazem Hydrochloride | Impurity | CS-T-91958 | 103532-26-9 | 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 G (N-Desmethyl Desacetyl Diltiazem Hydroc... | Impurity | CS-P-04159 | 142926-11-2 | 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-Acetyl Diltiazem | Impurity | CS-EO-00710 | Not Available | Enquire |
| O-Desmethyldiltiazem | Impurity | CS-ZH-20085 | 84903-78-6 | 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 |
Nitrosamine
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Diltiazem(2R,3S)N-nitroso Desmethyl Impurity | Nitrosamine | CS-O-49604 | Not Available | Enquire |
| N-desmethyl N-nitroso Diltiazem | Nitrosamine | CS-O-45870 | 3036581-85-5 | In Stock |
| N-Nitroso N-desmethyl O-desacetyl Diltiazem | Nitrosamine | CS-O-46768 | Not Available | In Stock |
Stable Isotope Reagent
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 2-Chloro-N,N-dimethylethylamine-d6 Hydrochloride | Stable Isotope Reagent | CS-T-50676 | 97941-91-8 | In Stock |
Therapeutic
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| (2S-cis)-(+)-2,3-Dihydro-3-hydroxy-2-(4-methoxyphenyl)-1,5-b... | Therapeutic | CS-O-31709 | 42399-49-5 | In Stock |
| Diltiazem EP Impurity A | Therapeutic | CS-O-14275 | 111188-71-7 | In Stock |
| Diltiazem EP Impurity A Hydrochloride | Therapeutic | CS-T-91919 | 103532-27-0 | Enquire |