Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Doxepin, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Doxepin 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 Doxepin-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 Doxepin-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.
Doxepin Related Compounds
Stable Isotopes
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| (E)-Doxepin-d3 | Stable Isotopes | CS-T-102295 | 3607-34-9(Unlabelled) | Enquire |
| (Z)-Doxepin-d3 | Stable Isotopes | CS-T-103403 | 131060-80-5 | Enquire |
| Doxepin d3 | Stable Isotopes | CS-T-98733 | 138387-16-3 | Enquire |
| Doxepin-13C, d3 Hydrochloride | Stable Isotopes | CS-T-101445 | Not Available | Enquire |
| Doxepin-13C3 | Stable Isotopes | CS-T-100368 | Not Available | Enquire |
| Doxepin-D6 Hydrochloride | Stable Isotopes | CS-EO-02435 | Not Available | Enquire |
| Doxepin-N-β-D-Glucuronide-d3 | Stable Isotopes | CS-T-96720 | Not Available | Enquire |
| N-Desmethyl Doxepin-13C, d3 Hydrochloride | Stable Isotopes | CS-T-101580 | Not Available | Enquire |
| N-Desmethyl Doxepin-13C3 | Stable Isotopes | CS-T-100513 | Not Available | Enquire |
| N-Desmethyl N-Ethyl Doxepin-d3 | Stable Isotopes | CS-T-98738 | Not Available | Enquire |
| Nordoxepin-d3 | Stable Isotopes | CS-O-60099 | 1331822-25-3 | Enquire |
| Nordoxepin D3 | Stable Isotopes | CS-O-53733 | 1225-56-5(Freebase) | Enquire |
Impurity
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Desmethyldoxepin | Impurity | CS-ED-02174 | 67035-76-1 | Enquire |
| Doxepin EP impurity B (HCl) | Impurity | CS-EO-03503 | 4504-88-5 (Freebase) | Enquire |
| Doxepin epoxide | Impurity | CS-O-44448 | Not Available | Enquire |
| (E)-2-(dibenzo[b,e]oxepin-11(6H)-ylidene)acetaldehyde | Impurity | CS-EO-00239 | 83473-99-8 | Enquire |
| (Z)-2-(dibenzo[b,e]oxepin-11(6H)-ylidene)acetaldehyde | Impurity | CS-EO-00240 | 83473-98-7 | Enquire |
| Doxepin Impurity 3 | Impurity | CS-EO-00762 | Not Available | Enquire |
Intermediate
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| N-desmethyl-Doxepin Trichloroethyl formate intermediate | Intermediate | CS-T-103245 | Not Available | In Stock |
| Nordoxepin | Intermediate | CS-O-48125 | 1225-56-5 | Enquire |
Nitrosamine
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| N-Desmethyl N-Nitroso (Z)-Doxepin | Nitrosamine | CS-O-48152 | ---- | In Stock |
| N-Desmethyl N-Nitroso Doxepin | Nitrosamine | CS-EO-01251 | Not Available | In Stock |
| N-Nitroso N-Desmethyl Doxepin EP impurity B | Nitrosamine | CS-O-54214 | ---- | Enquire |
| N-Nitroso Nordoxepin | Nitrosamine | CS-O-47993 | ---- | Enquire |
Secondary Standards
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Doxepin Related Compound B | Secondary Standards | CS-SS-26371-100MG | 4504-88-5 | Enquire |
| Doxepin Related Compound C | Secondary Standards | CS-SS-26370-50MG | 2887-91-4 | Enquire |
Analytical Standard
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| N-Desmethyl N-Nitroso (Z)-Doxepin | Analytical Standard | CS-O-48152-10MG | Not Available | Enquire |
| N-Nitroso-desmethyl-(E)-Doxepin | Analytical Standard | CS-O-47993-10MG | Not Available | Enquire |
| N-nitroso-desmethyl-cidoxepin-100 PPM in Acetonitrile | Analytical Standard | CS-O-48152-1.5ML | ---- | Enquire |
| N-nitroso-desmethyl-doxepin, (e)--100 PPM in Acetonitrile | Analytical Standard | CS-O-47993-1.5ML | Not Available | Enquire |