Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Tacrolimus, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Tacrolimus 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 Tacrolimus-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 Tacrolimus-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.
Tacrolimus Related Compounds
Stable Isotopes
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 13-O-Desmethyl Tacrolimus-13CD4 | Stable Isotopes | CS-O-47411 | 139958-51-3 (Unlabelled) | Enquire |
| 8-epi-Tacrolimus-13CD2 | Stable Isotopes | CS-O-58223 | 129212-35-7(Unlabelled) | Enquire |
| Tacrolimus-13C,d2 | Stable Isotopes | CS-O-03122 | 1356841-89-8 | In Stock |
| Tacrolimus-13C,d4 | Stable Isotopes | CS-O-13614 | 104987-11-3 (Unlabeled) | Enquire |
| Tacrolimus-13C,d5 | Stable Isotopes | CS-O-49017 | Not Available | In Stock |
| Tacrolimus-d3 | Stable Isotopes | CS-O-48661 | 104987-11-3 (Unlabeled) | Enquire |
| Tacrolimus-d5 | Stable Isotopes | CS-O-49019 | ---- | Enquire |
API
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Ascomycin | API | CS-O-00842 | 104987-12-4 | In Stock |
| Tacrolimus | API | CS-O-30787 | 104987-11-3 | In Stock |
Metabolite
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 15-O-Desmethyl Tacrolimus | Metabolite | CS-O-14039 | 151039-41-7 | Enquire |
| Desmethyl Tacrolimus | Metabolite | CS-O-14037 | 132172-14-6 | Enquire |
| Tacrolimus M-IV | Metabolite | CS-O-44215 | Not Available | Enquire |
| Tacrolimus 31 DMT | Metabolite | CS-O-14038 | 135635-47-1 | Enquire |
Impurity
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 10-demetyl Tacrolimus | Impurity | CS-O-33831 | Not Available | Enquire |
| 13-O-Desmethyl tacrolimus | Impurity | CS-O-39562 | 139958-51-3 | In Stock |
| Oxacyclohexane Open Ring Tacrolimus | Impurity | CS-ED-00227 | 144432-23-5 | In Stock |
| Tacrolimus 19-epimer | Impurity | CS-T-54072 | 144490-63-1 | In Stock |
| Tacrolimus 20-ethoxy acetal | Impurity | CS-O-53684 | Not Available | In Stock |
| Tacrolimus 21-carboxylic acid | Impurity | CS-O-33256 | Not Available | In Stock |
| Tacrolimus 8-Propyl Analog | Impurity | CS-O-08221 | 104987-30-6 | In Stock |
| Tacrolimus Butenyl analogue | Impurity | CS-O-51456 | 1262804-11-4 | Enquire |
| Tacrolimus C4-epimer Diene | Impurity | CS-P-09045 | ---- | Enquire |
| Tacrolimus Dehydro Impurity | Impurity | CS-EO-00669 | 129212-37-9 | In Stock |
| Tacrolimus EP Impurity C | Impurity | CS-O-57264 | ---- | Enquire |
| Tacrolimus EP Impurity H | Impurity | CS-P-08338 | 143210-33-7 | Enquire |
| Tacrolimus EP Impurity I | Impurity | CS-P-00144 | 104987-16-8 | In Stock |
| Tacrolimus Impurity 21 | Impurity | CS-P-08962 | Not Available | In Stock |
| Tacrolimus Impurity 23 | Impurity | CS-P-08961 | ---- | Enquire |
| Tacrolimus Impurity 6 (Tacrolimus Hydroxy Acid Impurity) | Impurity | CS-P-02134 | 1700657-83-5 | In Stock |
| Tacrolimus Impurity III | Impurity | CS-P-08639 | 127984-76-3 | Enquire |
| Tacrolimus impurity-1 | Impurity | CS-T-59735 | 123719-19-7 | Enquire |
| Tacrolimus Intermediate-1 | Impurity | CS-O-59632 | 217480-91-6 | Enquire |
| Tacrolimus Related Compound A | Impurity | CS-O-35447 | 135635-46-0 | In Stock |
| Tacrolimus Ring-opening Impurity | Impurity | CS-P-08282 | 1393890-33-9 | In Stock |
| 12-Hydroxytacrolimus M-IV | Impurity | CS-O-42141 | Not Available | Enquire |
| Tacrolimus alpha-Hydroxy Acid (TAC-H1) | Impurity | CS-P-08636 | Not Available | Enquire |
| Tacrolimus EP Impurity B | Impurity | CS-EO-01090 | Not Available | Enquire |
| Tacrolimus EP Impurity F | Impurity | CS-EO-01091 | Not Available | Enquire |
| Tacrolimus impurity | Impurity | CS-O-40120 | 135821-70-4 | Enquire |
| Tacrolimus Impurity 18 | Impurity | CS-P-08339 | 129039-81-2 | Enquire |
| Tacrolimus Impurity 39 | Impurity | CS-O-38229 | Not Available | Enquire |
| Tacrolimus Impurity I | Impurity | CS-EO-00735 | 135821-69-1 | Enquire |
| Tacrolimus Impurity VII | Impurity | CS-EO-01009 | Not Available | Enquire |
| Tacrolimus Impurity X | Impurity | CS-EO-00736 | 127285-26-1 | Enquire |
| Tacrolimus Methyl Acryl Aldehyde | Impurity | CS-T-61570 | 109466-74-2 | Enquire |
| Tacrolimus Regioisomer | Impurity | CS-O-34798 | Not Available | Enquire |
Nitrosamine
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| N-nitroso Tacrolimus 21-Carboxy Acid | Nitrosamine | CS-O-52288 | Not Available | Enquire |
Secondary Standards
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Tacrolimus | Secondary Standards | CS-SS-24755-500MG | 109581-93-3 | Enquire |
| Tacrolimus | Secondary Standards | CS-SS-24755-150MG | 109581-93-3 | Enquire |
| Tacrolimus | Secondary Standards | CS-SS-24755 | 109581-93-3 | Enquire |
| Tacrolimus Impurity C | Secondary Standards | CS-SS-26343 | 789.99 | Enquire |
| Tacrolimus Impurity F | Secondary Standards | CS-SS-26342 | 1393890-33-9 | Enquire |
EP Standards
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Tacrolimus System suitability mixture (containing Tacrolimus... | EP Standards | CS-EG-03505 | 104987-11-3 | Enquire |
Therapeutic
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 8-Epitacrolimus | Therapeutic | CS-T-53956 | 129212-35-7 | In Stock |
| Tacrolimus Impurity 2 | Therapeutic | CS-T-54717 | 131944-48-4 | In Stock |
| Tacrolimus Lactone Isomer | Therapeutic | CS-O-08222 | 134590-88-8 | Enquire |
| Tacrolimus Monohydrate | Therapeutic | CS-O-08223 | 109581-93-3 | Enquire |