Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Cefazolin, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Cefazolin 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 Cefazolin-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 Cefazolin-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.
Cefazolin Related Compounds
Stable Isotopes
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 7-epi-Cefazolin-13C2,15N Sodium Salt | Stable Isotopes | CS-T-97709 | Not Available | Enquire |
| Cefazolin-13C2,15N Sodium Salt | Stable Isotopes | CS-O-15582 | 27164-46-1 (unlabelled) | Enquire |
| Des[(5-methyl-1,3,4-thiadiazol-2-yl)thio] Cefazolin-3-methan... | Stable Isotopes | CS-T-97621 | Not Available | Enquire |
| Cefazolin 13C2, 15N | Stable Isotopes | CS-EK-02751 | 25953-19-9 unlabeled | Enquire |
API
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Cefazolin Acid | API | CS-O-01111 | 25953-19-9 | In Stock |
| Cefazolin Sodium | API | CS-O-04000 | 27164-46-1 | In Stock |
| Cefazolin sodium pentahydrate | API | CS-O-54305 | 115850-11-8 | Enquire |
Impurity
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Cefazolin Delta-2-Isomer | Impurity | CS-EO-04098 | 55390-53-9 | Enquire |
| Cefazolin EP Impurity A | Impurity | CS-T-03085 | 30246-33-4 | In Stock |
| Cefazolin EP Impurity C | Impurity | CS-ZG-76801 | 56842-77-4 | In Stock |
| Cefazolin EP Impurity E | Impurity | CS-T-35187 | 29490-19-5 | In Stock |
| Cefazolin EP Impurity F | Impurity | CS-O-13459 | 21732-17-2 | In Stock |
| Cefazolin EP Impurity G (Triethylamine salt) | Impurity | CS-EO-03402 | 1172998-53-6 (Freebase) | Enquire |
| Cefazolin EP Impurity I | Impurity | CS-O-13462 | 1675244-99-1 | Enquire |
| Cefazolin EP Impurity J | Impurity | CS-O-13463 | 1675245-00-7 | In Stock |
| Cefazolin EP Impurity L | Impurity | CS-O-13465 | ---- | Enquire |
| Cefazolin Open-Ring Delta-2 | Impurity | CS-O-55503 | ---- | Enquire |
| Cefazolin Open-Ring Delta-3 | Impurity | CS-O-37322 | ---- | Enquire |
| Cefazolin USP related substances B | Impurity | CS-O-54115 | 1675245-47-2&1797135-60-4 | Enquire |
| Cefazolin EP Impurity B | Impurity | CS-O-13456 | 2384108-14-7 | Enquire |
| Cefazolin EP Impurity C | Impurity | CS-O-13457 | 56842-77-4 | Enquire |
| Cefazolin EP Impurity D | Impurity | CS-ZH-41434 | 32510-61-5 | Enquire |
| Cefazolin EP Impurity D sodium salt | Impurity | CS-O-13458 | 27164-45-0 | Enquire |
| Cefazolin EP Impurity G | Impurity | CS-O-13460 | 1172998-53-6 | Enquire |
| Cefazolin EP Impurity J disodium salt | Impurity | CS-O-38151 | Not Available | In Stock |
| Cefazolin EP Impurity K | Impurity | CS-O-13464 | 1322626-65-2 | Enquire |
| Cefazolin Related Compound D (Cefazolin open-ring lactone) | Impurity | CS-P-08613 | Not Available | Enquire |
| Des[(5-methyl-1,3,4-thiadiazol-2-yl)thio] Cefazolin-3-methan... | Impurity | CS-T-89006 | 478494-71-2 | In Stock |
| N-(2-Oxoethyl)-1H-tetrazole-1-acetamide | Impurity | CS-T-84806 | 1797135-60-4 | Enquire |
Fine Chemicals
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Tetrazolyl Acetamide Acetal | Fine Chemicals | CS-P-08126 | 1675245-47-2 | In Stock |