Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Nirmatrelvir, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Nirmatrelvir 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 Nirmatrelvir-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 Nirmatrelvir-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.
Nirmatrelvir Related Compounds
Stable Isotopes
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Nirmatrelvir-D6 | Stable Isotopes | CS-O-41606 | 2628280-40-8 (unalebeled) | Enquire |
| Nirmatrelvir-d9 | Stable Isotopes | CS-O-40426 | 2628280-40-8 (Unlabeled) | In Stock |
API
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Nirmatrelvir | API | CS-O-39891 | 2628280-40-8 | In Stock |
Metabolite
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Nirmatrelvir M8 | Metabolite | CS-O-41062 | Not Available | Enquire |
| Nirmatrelvir Metabolite (M1) | Metabolite | CS-O-47343 | Not Available | Enquire |
| Nirmatrelvir Metabolite (M2) | Metabolite | CS-O-47344 | Not Available | Enquire |
| Nirmatrelvir Metabolite (M3) | Metabolite | CS-O-47345 | Not Available | Enquire |
| Nirmatrelvir Metabolite (M4) | Metabolite | CS-O-47346 | Not Available | Enquire |
Impurity
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| (R)-2-amino-3-((R)-2-oxopyrrolidin-3-yl)propanamide hydrochl... | Impurity | CS-O-42911 | Not Available | Enquire |
| (S)-2-amino-3-((S)-2-oxopyrrolidin-3-yl)propanami... | Impurity | CS-O-44562 | 2628280-47-5 | Enquire |
| (S)-2-amino-3-((R)-2-oxopyrrolidin-3-yl)propanamide hydrochl... | Impurity | CS-O-42913 | Not Available | Enquire |
| methyl (1S,2R,5R)-6,6-dimethyl-3-azabicyclo[3.1.0]hexane-2-c... | Impurity | CS-O-48553 | 943516-62-9 | Enquire |
| N-((S)-1-((1R,2S,5S)-2-cyano-6,6-dimethyl-3-azabicyclo[3.1.0... | Impurity | CS-O-41106 | Not Available | Enquire |
| Nirmatrelvi R isomer | Impurity | CS-O-42621 | Not Available | Enquire |
| Nirmatrelvir Acid impurity | Impurity | CS-O-41105 | Not Available | Enquire |
| Nirmatrelvir Amide | Impurity | CS-O-40554 | 2755812-81-6 | In Stock |
| Nirmatrelvir Boc Impurity | Impurity | CS-O-47508 | 2755812-78-1 | In Stock |
| Nirmatrelvir Chloro impurity | Impurity | CS-O-41103 | Not Available | Enquire |
| Nirmatrelvir Di-Trifluoroacetyl impurity | Impurity | CS-O-43099 | Not Available | Enquire |
| Nirmatrelvir Enantiomer impurity | Impurity | CS-O-42620 | Not Available | Enquire |
| Nirmatrelvir Impurity 10 | Impurity | CS-O-41065 | 1027601-37-1 | Enquire |
| Nirmatrelvir Impurity 11 | Impurity | CS-O-41066 | Not Available | Enquire |
| Nirmatrelvir Impurity 12 | Impurity | CS-O-41067 | 2755950-35-5 | Enquire |
| Nirmatrelvir Impurity 23 | Impurity | CS-EO-03729 | 2920198-06-5 | Enquire |
| Nirmatrelvir Impurity 9 | Impurity | CS-O-41064 | Not Available | Enquire |
| Nirmatrelvir Impurity A | Impurity | CS-EO-01835 | 2628280-48-6 | Enquire |
| Nirmatrelvir Impurity C | Impurity | CS-EO-03211 | Not Available | In Stock |
| Nirmatrelvir Isomer 1 | Impurity | CS-O-42142 | Not Available | Enquire |
| Nirmatrelvir Isomer 2 | Impurity | CS-O-42143 | Not Available | Enquire |
| Nirmatrelvir Isomer I | Impurity | CS-O-53212 | ---- | Enquire |
| Nirmatrelvir Isopropyl ester | Impurity | CS-O-41104 | Not Available | Enquire |
| NIRMATRELVIR KSM I IMPURITY A (ACID IMPURITY) | Impurity | CS-O-48781 | 394735-37-6 | Enquire |
| NIRMATRELVIR KSM II IMPURITY A | Impurity | CS-O-48782 | 1429218-41-6 | Enquire |
| Nirmatrelvir Methyl Ester | Impurity | CS-O-40555 | 2879641-46-8 | In Stock |
| Nirmatrelvir R isomer (Tert-Butyl) | Impurity | CS-O-51804 | Not Available | Enquire |
| Nirmatrelvir R-isomer(CN) | Impurity | CS-O-41102 | 2755812-41-8 | In Stock |
Intermediate
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Nirmatrelvir Boc Intermediate | Intermediate | CS-O-47513 | 2628280-40-8 | In Stock |