Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Ofloxacin, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Ofloxacin 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 Ofloxacin-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 Ofloxacin-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.
Ofloxacin Related Compounds
Stable Isotopes
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| (3S)-10-(4-Ethyl-1-piperazinyl)-9-fluoro-2,3-dihydro-3-methy... | Stable Isotopes | CS-T-97514 | Not Available | Enquire |
| 6-Chloro-6-defluoro Ciprofloxacin-d8 | Stable Isotopes | CS-T-101702 | Not Available | Enquire |
| Alatrofloxacin-d4 Mesylate | Stable Isotopes | CS-T-97834 | Not Available | Enquire |
| Balofloxacin-d3 | Stable Isotopes | CS-T-103350 | 127294-70-6(unlabelled) | Enquire |
| Ciprofloxacin - 13C4 | Stable Isotopes | CS-T-103870 | 85721-33-1(unlabelled) | Enquire |
| Ciprofloxacin D4 | Stable Isotopes | CS-O-50886 | 85721-33-1 (Unlabelled) | Enquire |
| Ciprofloxacin-d8 | Stable Isotopes | CS-O-02802 | 1130050-35-9 | In Stock |
| Ciprofloxacin-d8 Hydrochloride | Stable Isotopes | CS-O-16225 | 1216659-54-9 | In Stock |
| Ciprofloxacin-d8 β-D-Glucuronide | Stable Isotopes | CS-T-98484 | Not Available | Enquire |
| Danofloxacin-d2 Formate Salt | Stable Isotopes | CS-T-94777 | 112398-08-0(unlabelled free base) | Enquire |
| Danofloxacin-d3 | Stable Isotopes | CS-O-16166 | 1825377-28-3 | In Stock |
| Defluoro Levofloxacin-d3 | Stable Isotopes | CS-T-97654 | 1329836-14-7 | Enquire |
| Defluoro-decarboxyl Ofloxacin-d3 | Stable Isotopes | CS-T-101621 | Not Available | Enquire |
| Desfluorociprofloxacin-d8 | Stable Isotopes | CS-T-101588 | Not Available | Enquire |
| Desmethyl Levofloxacin-d8 Hydrochloride | Stable Isotopes | CS-T-97620 | 1217677-38-7 | Enquire |
| Enrofloxacin-d5 Hydrochloride | Stable Isotopes | CS-W-00316 | 1173021-92-5 (Free Base) | In Stock |
| Enrofloxacin-d5 Hydroiodide | Stable Isotopes | CS-O-16158 | 1219795-24-0 | In Stock |
| Levofloxacin Difluoroboryl Ester-d3 | Stable Isotopes | CS-T-97357 | Not Available | Enquire |
| Levofloxacin-13C,d3 | Stable Isotopes | CS-O-03132 | 1261398-33-7 | In Stock |
| Levofloxacin-d3 Sodium Salt | Stable Isotopes | CS-T-96305 | Not Available | Enquire |
| Levofloxacin-d8 | Stable Isotopes | CS-O-06722 | 1217716-71-6 | In Stock |
| Levofloxacin-d8 Acyl-β-D-glucuronide | Stable Isotopes | CS-T-97356 | Not Available | Enquire |
| Levofloxacin-d8 Chloromethyl Ester | Stable Isotopes | CS-T-97355 | Not Available | Enquire |
| Marbofloxacin-13CD3 | Stable Isotopes | CS-T-103723 | 115550-35-1(unlabelled) | Enquire |
| N-Ethoxycarbonyl-ciprofloxacin-d8 | Stable Isotopes | CS-T-101416 | Not Available | Enquire |
| N-Nitroso Ciprofloxacin-d8 | Stable Isotopes | CS-O-49712 | 864443-44-7 (Unlabelled) | In Stock |
| N-Nitroso Desmethyl Levofloxacin-d8 | Stable Isotopes | CS-O-51506 | Not Available | In Stock |
| N-Nitroso Levofloxacin Diamine D4 | Stable Isotopes | CS-O-53617 | ---- | Enquire |
| Ofloxacin-d8 Acyl-β-D-glucuronide (Mixture of Diastereomers) | Stable Isotopes | CS-T-98416 | Not Available | Enquire |
| Ofloxacin-d8 Hydrochloride | Stable Isotopes | CS-O-06827 | 2930288-81-4 | In Stock |
| (R)-Ofloxacin-d3 | Stable Isotopes | CS-O-11792 | 1346617-10-4 | Enquire |
| Ciprofloxacin D8-Hydrochloride hydrate | Stable Isotopes | CS-W-00350 | 1216659-54-9(anhydrous) | Enquire |
| Ciprofloxacin piperazinyl-N4-sulfate D8 | Stable Isotopes | CS-CX-00237 | 1261396-17-1 | Enquire |
| Danofloxacin-d3 Mesylate | Stable Isotopes | CS-T-73541 | 1217860-94-0 | Enquire |
| Desethylene Ciprofloxacin-d4, Hydrochloride | Stable Isotopes | CS-T-74027 | 1330261-13-6 | Enquire |
| Desmethyl Ofloxacin-d8 Hydrochloride | Stable Isotopes | CS-T-88601 | 1217042-59-5 | Enquire |
| Enrofloxacin D5 | Stable Isotopes | CS-T-54053 | 1173021-92-5 | Enquire |
| Levofloxacin D3 | Stable Isotopes | CS-O-11793 | 100986-85-4(Unlabeled) | Enquire |
| Marbofloxacin-D8 | Stable Isotopes | CS-CX-00581 | 1185053-37-5 | Enquire |
| N,N’-Desethylene-N,N’-diformyl Levofloxacin-d3 | Stable Isotopes | CS-T-73412 | 1346598-04-6 | Enquire |
| Ofloxacin D3 | Stable Isotopes | CS-W-00348 | 1173147-91-5 | Enquire |
| Ofloxacin-D3 Hydrochloride | Stable Isotopes | CS-O-11794 | 1173021-78-7 | Enquire |
| Ofloxacin-d8 | Stable Isotopes | CS-T-83705 | 1219170-21-4 | Enquire |
API
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Balofloxacin | API | CS-O-00945 | 127294-70-6 | In Stock |
| Balofloxacin Dihydrate | API | CS-O-01022 | 151060-21-8 | In Stock |
| Ciprofloxacin | API | CS-O-04064 | 85721-33-1 | In Stock |
| Ciprofloxacin Hydrochloride | API | CS-O-01106 | 86483-48-9 | In Stock |
| Ciprofloxacin Hydrochloride Monohydrate | API | CS-O-01107 | 86393-32-0 | In Stock |
| Ciprofloxacin Lactate | API | CS-T-12981 | 97867-33-9 | In Stock |
| Danofloxacin | API | CS-O-15549 | 112398-08-0 | In Stock |
| Enrofloxacin | API | CS-O-01422 | 93106-60-6 | In Stock |
| Levofloxacin | API | CS-O-01741 | 100986-85-4 | In Stock |
| Levofloxacin Hemihydrate | API | CS-O-30963 | 138199-71-0 | In Stock |
| Marbofloxacin | API | CS-O-01839 | 115550-35-1 | In Stock |
| Ofloxacin | API | CS-O-30704 | 82419-36-1 | In Stock |
| Ofloxacin Sesquihydrate | API | CS-O-52312 | 82419-36-1 (Anhydrous) | Enquire |
| Sulfociprofloxacin | API | CS-T-12983 | 105093-21-8 | In Stock |
| Alatrofloxacin | API | CS-AD-00723 | 146961-76-4 | Enquire |
| Alatrofloxacin Mesylate | API | CS-T-64874 | 146961-77-5 | Enquire |
| Caderofloxacin | API | CS-BB-00004 | 153808-85-6 | Enquire |
| Marbofloxacin | API | CS-W-00133 | 873945-29-0 | Enquire |
| Pradofloxacin Hydrochloride | API | CS-T-40337 | 195532-14-0 | Enquire |
Metabolite
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Enrofloxacin N Oxide | Metabolite | CS-EO-02324 | 185460-67-7 | In Stock |
| Levofloxacin N-oxide | Metabolite | CS-O-06110 | 117678-38-3 | In Stock |
Impurity
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| (R)-Ofloxacin | Impurity | CS-T-59876 | 100986-86-5 | In Stock |
| 3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-2,3-dihydro-7H-[1... | Impurity | CS-O-33276 | 95848-94-5 | Enquire |
| 6-Chloro-6-Defluoro Ciprofloxacin | Impurity | CS-O-16363 | 93106-58-2 | In Stock |
| 9-Chloro-9-defluoro Ofloxacin | Impurity | CS-O-56150 | 82419-45-2 | Enquire |
| 9-Piperazino Ofloxacin | Impurity | CS-T-60612 | 197291-75-1 | In Stock |
| Ciprofloxacin EP Impurity B | Impurity | CS-O-10273 | 93107-11-0 | In Stock |
| Ciprofloxacin EP Impurity C | Impurity | CS-O-07643 | 103222-12-4 | In Stock |
| Ciprofloxacin EP Impurity D | Impurity | CS-O-07644 | 133210-96-5 | In Stock |
| Ciprofloxacin EP Impurity D (TFA salt) | Impurity | CS-EO-03434 | 133210-96-5 (Freebase) | Enquire |
| Ciprofloxacin EP Impurity E | Impurity | CS-O-07645 | 105394-83-0 | In Stock |
| Ciprofloxacin EP Impurity F | Impurity | CS-O-07646 | 226903-07-7 | In Stock |
| Ciprofloxacin Ethylenediamine Analog | Impurity | CS-O-13049 | 528851-31-2 | In Stock |
| Ciprofloxacin Impurity 4 | Impurity | CS-P-08666 | 1620445-08-0 | Enquire |
| Ciprofloxacin Impurity-2A | Impurity | CS-O-45204 | 103319-17-1 | Enquire |
| Descarboxyl Levofloxacin | Impurity | CS-T-52064 | 178964-53-9 | In Stock |
| Desmethyl Dextrofloxacin | Impurity | CS-O-49027 | 117707-39-8 | Enquire |
| Enrofloxacin EP Impurity B hydrochloride | Impurity | CS-EO-01614 | 93107-08-5 | In Stock |
| Enrofloxacin EP Impurity C | Impurity | CS-O-16171 | 138892-82-7 | In Stock |
| Enrofloxacin EP Impurity E | Impurity | CS-EO-00158 | 1369495-59-9 | In Stock |
| Enrofloxacin EP Impurity F | Impurity | CS-T-14608 | 131775-99-0 | In Stock |
| Levofloxacin Diamine Hydrochloride | Impurity | CS-P-08141 | 1797099-76-3 | In Stock |
| Levofloxacin EP Impurity G | Impurity | CS-T-95956 | 151250-76-9 | In Stock |
| Levofloxacin Impurity 10 | Impurity | CS-ED-26396 | 106939-34-8 | In Stock |
| Levofloxacin Impurity 7 | Impurity | CS-O-58723 | 1607796-83-7 | Enquire |
| Levofloxacin Related Compound A | Impurity | CS-O-10398 | 117707-40-1 | In Stock |
| Levofloxacin related compound B | Impurity | CS-T-57225 | 100986-89-8 | In Stock |
| Levofloxacin Related Compound E | Impurity | CS-O-13170 | 1346603-62-0 | Enquire |
| Levofloxacin Related Compound F | Impurity | CS-O-31097 | 117620-85-6 | In Stock |
| Marbofloxacin Dimer Impurity | Impurity | CS-O-54789 | ---- | Enquire |
| Marbofloxacin EP Impurity E | Impurity | CS-O-59429 | 2249835-04-7 | Enquire |
| N,N’-Desethylene Ofloxacin Hydrochloride | Impurity | CS-T-73141 | 1797983-25-5 | In Stock |
| N-acetyl ciprofloxacin | Impurity | CS-ED-41671 | 93594-20-8 | In Stock |
| N-Ethoxycarbonyl Ciprofloxacin | Impurity | CS-P-07345 | 93594-29-7 | In Stock |
| N-Formyl Ciprofloxacin | Impurity | CS-O-07649 | 93594-39-9 | In Stock |
| N-tert-Butoxycarbonyl Desmethyl Levofloxacin | Impurity | CS-T-50022 | 1330277-19-4 | In Stock |
| Ofloxacin Desmethylpiperazin Methylester | Impurity | CS-O-50622 | 889110-57-0 | Enquire |
| Ofloxacin EP Impurity B | Impurity | CS-T-51678 | 123155-82-8 | In Stock |
| Ofloxacin EP Impurity C | Impurity | CS-T-60611 | 178912-62-4 | Enquire |
| Ofloxacin EP impurity E | Impurity | CS-O-11038 | 82419-52-1 | In Stock |
| Ofloxacin Impurity A | Impurity | CS-T-52851 | 82419-35-0 | Enquire |
| Ofloxacin N-oxide | Impurity | CS-T-59877 | 104721-52-0 | In Stock |
| (R)-Ofloxacin Carboxylic Acid (Dextrofloxacin Difluoro Impur... | Impurity | CS-T-83031 | 110548-07-7 | Enquire |
| 6-Defluoro 6-Benzyloxy Ciprofloxacin Benzyl Ester | Impurity | CS-T-73933 | 1391052-85-9 | Enquire |
| Ciprofloxacin EP Impurity E HCl | Impurity | CS-O-34912 | 105394-83-0 (Free base) | Enquire |
| Ciprofloxacin Impurity 10 | Impurity | CS-EO-01837 | 1159908-25-4 | Enquire |
| Ciprofloxacin Impurity 11 | Impurity | CS-EO-02046 | 122224-30-0 | Enquire |
| Ciprofloxacin Impurity 5 | Impurity | CS-EO-01838 | Not Available | Enquire |
| Ciprofloxacin Impurity 7 | Impurity | CS-P-08664 | Not Available | Enquire |
| Ciprofloxacin Impurity 8 | Impurity | CS-P-08665 | 105674-91-7 | Enquire |
| Ciprofloxacin Impurity 9 | Impurity | CS-EO-01836 | 104599-90-8 | Enquire |
| Ciprofloxacin Impurity I | Impurity | CS-T-47788 | 528851-85-6 | Enquire |
| Ciprofloxacin Impurity I HCl | Impurity | CS-P-07344 | 528851-30-1 | Enquire |
| Ciprofloxacin Methoxy Analog | Impurity | CS-O-07648 | Not Available | Enquire |
| Ciprofloxacin N-Oxide | Impurity | CS-T-51147 | 860033-22-3 | Enquire |
| Desmethyl Ofloxacin Hydrochloride | Impurity | CS-T-88406 | 402930-70-5 | Enquire |
| Desmethylene seco-Benzoxadiazine Marbofloxacin | Impurity | CS-T-88331 | 117380-92-4 | Enquire |
| Enrofloxacin Butyl Ester Impurity | Impurity | CS-O-44421 | 107884-22-0 | Enquire |
| Enrofloxacin RS containing impurities B & C | Impurity | CS-EG-03394 | ---- | Enquire |
| Levofloxacin Hydroxy Acid | Impurity | CS-T-31020 | 1036016-10-0 | Enquire |
| Magnesium Ascorbic Acid Phosphate and Ciprofloxacin Hydrochl... | Impurity | CS-O-13254 | Not Available | Enquire |
| Marbofloxacin EP Impurity E | Impurity | CS-EO-00045 | Not Available | Enquire |
| Marbofloxacin EP Impurity F | Impurity | CS-EO-00046 | 194023-72-8 | Enquire |
| Marbofloxacin Impurity A | Impurity | CS-P-01641 | 115551-40-1 | Enquire |
| Marbofloxacin Impurity B | Impurity | CS-P-01642 | 115551-41-2 | Enquire |
| N,N'-Desethylene-N,N'-diformyl Levofloxacin | Impurity | CS-T-52129 | 151377-74-1 | Enquire |
| N-Desmethyl Danofloxacin | Impurity | CS-T-52216 | 108461-04-7 | Enquire |
| N-Desmethyl Ofloxacin | Impurity | CS-BV-00025 | 97791-27-0 | Enquire |
| N-Ethyl Levofloxacin | Impurity | CS-T-54579 | 106939-30-4 | Enquire |
| Ofloxacin Dihydrooxazole Impurity | Impurity | CS-EO-01139 | 2489671-28-3 | Enquire |
| Ofloxacin EP Impurity D Ethyl Ester | Impurity | CS-EO-00267 | 2172959-66-7 | Enquire |
Intermediate
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]... | Intermediate | CS-T-91150 | 82419-35-0 | In Stock |
Glucuronide
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Levofloxacin Acyl-Beta-D-glucuronide | Glucuronide | CS-O-10013 | 160962-46-9 | In Stock |
| Ciprofloxacin-β-D-Glucuronide | Glucuronide | CS-T-51146 | 105029-31-0 | Enquire |
| Ofloxacin Acyl-β-D-glucuronide | Glucuronide | CS-T-59878 | 90293-81-5 | Enquire |
Nitrosamine
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Dinitroso Levofloxacin EP Impurity G | Nitrosamine | CS-O-51497 | ---- | In Stock |
| N-MethylNitroso Levofloxacin EP Impurity G | Nitrosamine | CS-O-46369 | ---- | Enquire |
| N-Nitroso Balofloxacin | Nitrosamine | CS-P-09231 | Not Available | In Stock |
| N-Nitroso Ciprofloxacin | Nitrosamine | CS-O-38360 | 864443-44-7 | In Stock |
| N-Nitroso Ciprofloxacin EP Impurity C | Nitrosamine | CS-O-46370 | Not Available | Enquire |
| N-Nitroso Ciprofloxacin EP Impurity E | Nitrosamine | CS-O-57471 | Not Available | In Stock |
| N-Nitroso Desmethyl Levofloxacin | Nitrosamine | CS-O-41026 | 1152314-62-9 | In Stock |
| N-Nitroso Levofloxacin Diamine Impurity | Nitrosamine | CS-O-53616 | ---- | Enquire |
| N-Nitroso Levofloxacin EP Impurity G (Possibility 1) | Nitrosamine | CS-O-58696 | ---- | Enquire |
| N-Nitroso N-Desmethyl Ofloxacin | Nitrosamine | CS-O-46400 | Not Available | Enquire |
| N-Nitroso Ofloxacin tetrafluorobenzoyl intermediate | Nitrosamine | CS-O-45588 | Not Available | Enquire |
| N-Nitroso-Levofloxacin EP Impurity G HCl | Nitrosamine | CS-EO-02309 | ---- | Enquire |
Secondary Standards
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Ofloxacin | Secondary Standards | CS-SS-24205-1GM | 82419-36-1 | Enquire |
| Ofloxacin | Secondary Standards | CS-SS-24205 | 82419-36-1 | In Stock |
| Ciprofloxacin | Secondary Standards | CS-SS-24204-1GM | 85721-33-1 | Enquire |
| Ciprofloxacin formamide | Secondary Standards | CS-SS-25274-200MG | 93594-39-9 | Enquire |
| Ciprofloxacin HCl | Secondary Standards | CS-SS-24100-1GM | 86393-32-0 | Enquire |
| Ciprofloxacin Impurity B (Ph. Eur.) | Secondary Standards | CS-SS-26235-50MG | 93107-11-0 | Enquire |
| Ciprofloxacin Related Compound A | Secondary Standards | CS-SS-24841-50MG | 526204-10-4 | Enquire |
| Enrofloxacin | Secondary Standards | CS-SS-24493-500MG | 93106-60-6 | Enquire |
| Levofloxacin Hemihydrate | Secondary Standards | CS-SS-24652-1GM | 138199-71-0 | Enquire |
| Levofloxacin Related Compound B | Secondary Standards | CS-SS-25128-100MG | 100986-89-8 | Enquire |
| Levofloxacin Related Compound C | Secondary Standards | CS-SS-25129-50MG | 177472-30-9 | Enquire |
| Levofloxacin Related Compound E | Secondary Standards | CS-SS-25734-50MG | 1346603-62-0 | Enquire |
| Levofloxacin Related Compound F | Secondary Standards | CS-SS-26122 | 117620-85-6 | Enquire |
| Ofloxacin Impurity A | Secondary Standards | CS-SS-25133-100MG | 82419-35-0 | Enquire |
| Ofloxacin Related Compound A | Secondary Standards | CS-SS-25134-50MG | 82419-52-1 | Enquire |
Stable Isotope Reagent
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Flerofloxacin-d3 (N-Methyl-d3) | Stable Isotope Reagent | CS-C-02142 | Not Available | Enquire |
Pesticide Standards
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Danofloxacin Mesylate | Pesticide Standards | CS-T-14363 | 119478-55-6 | In Stock |
Analytical Standard
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| N-Nitroso Ciprofloxacin | Analytical Standard | CS-O-38360-10MG | 864443-44-7 | Enquire |
| N-nitroso-ciprofloxacin-100 PPM in Acetonitrile | Analytical Standard | CS-O-38360-1.5ML | 864443-44-7 | Enquire |
Biochemicals
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Ciprofloxacin Hydrochloride Hydrate (CPFX) for cell culture,... | Biochemicals | CS-SR-00484 | 86393-32-0 | Enquire |
| Ofloxacin (OFX), 98% | Biochemicals | CS-SR-00372 | 82419-36-1 | Enquire |
Chiral
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Levofloxacin Ethyl Ester | Chiral | CS-T-57224 | 177472-30-9 | In Stock |
EP Standards
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Levofloxacin for system suitability CRS (containing impuriti... | EP Standards | CS-EG-03299 | Not Available | Enquire |
| Ofloxacin EP impurity E(O0120050) | EP Standards | CS-EG-03272 | 82419-52-1 | Enquire |
| Ofloxacin impurity D(Y0002202) | EP Standards | CS-EG-03271 | 197291-75-1 | Enquire |