Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Erythromycin, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Erythromycin 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 Erythromycin-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 Erythromycin-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.
Erythromycin Related Compounds
Stable Isotopes
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Erythromycin D6 | Stable Isotopes | CS-T-54162 | 959119-25-6 | Enquire |
| Erythromycin Ethyl Succinate-d6 | Stable Isotopes | CS-O-13302 | 1264-62-6(Unlabeled) | In Stock |
| Erythromycin Ethyl Succinate-D6 | Stable Isotopes | CS-T-95390 | Not Available | Enquire |
| Erythromycin Glucoheptonate-d3 | Stable Isotopes | CS-T-96310 | Not Available | Enquire |
| Erythromycin-13C | Stable Isotopes | CS-O-06591 | 959119-26-7 | In Stock |
| Erythromycin-d3 | Stable Isotopes | CS-O-14220 | 959119-26-7 | In Stock |
| Erythromycin-d3 | Stable Isotopes | CS-T-94911 | Not Available | Enquire |
| Erythromycin-d3 A 9-Oxime | Stable Isotopes | CS-T-97536 | Not Available | Enquire |
| N-Demethyl Erythromycin A D3 | Stable Isotopes | CS-O-33553 | Not Available | Enquire |
| N-Nitroso-N-Desmethyl Erythromycin-d3 | Stable Isotopes | CS-T-104118 | Not Available | Enquire |
API Standards
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Erythromycin | API Standards | CS-O-11641 | 114-07-8 | In Stock |
| Erythromycin A dihydrate | API Standards | CS-O-00208 | 59319-72-1 | In Stock |
| Erythromycin E | API Standards | CS-T-21952 | 41451-91-6 | In Stock |
| Erythromycin Estolate | API Standards | CS-T-54168 | 3521-62-8 | In Stock |
| Erythromycin Ethyl Succinate | API Standards | CS-T-54166 | 1264-62-6 | In Stock |
| Erythromycin Glucoheptonate | API Standards | CS-T-54167 | 23067-13-2 | Enquire |
| Erythromycin Hydrohloride | API Standards | CS-EO-03537 | 14271-02-4 | Enquire |
| Erythromycin Lactobionate | API Standards | CS-T-54175 | 3847-29-8 | Enquire |
| Erythromycin Phosphate | API Standards | CS-AH-00117 | 4501-00-2 | Enquire |
| Erythromycin stearate | API Standards | CS-O-01436 | 643-22-1 | In Stock |
| Erythromycin Sulfate | API Standards | CS-EO-03538 | 7184-72-7 | Enquire |
| Erythromycin Thiocyanate | API Standards | CS-O-00232 | 7704-67-8 | In Stock |
Metabolites
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Erythromycin E N-oxide | Metabolites | CS-O-42846 | 820978-34-5 | In Stock |
| N-Demethyl Erythromycin A | Metabolites | CS-T-51847 | 992-62-1 | In Stock |
Impurities
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 11,12-Di-O-methyl erythromycin A | Impurities | CS-O-35216 | Not Available | Enquire |
| 13-desethyl, 13-propyl-Erythromycin A | Impurities | CS-O-32950 | 288584-78-1 | Enquire |
| 4''-O-methyl-Erythromycin | Impurities | CS-O-50182 | 200802-92-2 | Enquire |
| 6-O-Methyl-erythromycin 9-[O-[1-(1-Methylethoxy)cyclohexyl]o... | Impurities | CS-T-80975 | 156715-14-9 | Enquire |
| 8a-Aza-8a-homoerythromycin A | Impurities | CS-EO-02336 | 145259-55-8 | Enquire |
| 8a-erythromycin A 6,9-Iminoether | Impurities | CS-O-45340 | Not Available | Enquire |
| 8a-erythromycin A 9,12-Iminoether | Impurities | CS-O-45342 | 145259-57-0 | Enquire |
| 8a-erythromycin B 6,9-Iminoether | Impurities | CS-O-45341 | Not Available | Enquire |
| 9-Oxime 3''-O-Demethyl-erythromycin | Impurities | CS-T-59988 | 226086-79-9 | Enquire |
| Azaerythromycin A 11,12-hydrogen borate | Impurities | CS-P-08697 | 194809-66-0 | Enquire |
| Clarithromycin Corresponding impurity of erythromycin E | Impurities | CS-O-43978 | Not Available | Enquire |
| Erythromycin A 6,9-Imino Ether | Impurities | CS-T-54171 | 99290-97-8 | In Stock |
| Erythromycin A Enol Ether | Impurities | CS-T-54164 | 33396-29-1 | In Stock |
| Erythromycin C | Impurities | CS-T-54165 | 1675-02-1 | In Stock |
| Erythromycin EP impurity P | Impurities | CS-O-59108 | Not Available | Enquire |
| Erythromycin EP Impurity A | Impurities | CS-O-16844 | 82230-93-1 | In Stock |
| Erythromycin EP Impurity D | Impurities | CS-O-10091 | 23893-13-2 | In Stock |
| Erythromycin EP Impurity E N-Oxide | Impurities | CS-O-42680 | 36693-59-1 | Enquire |
| Erythromycin EP Impurity F N-Oxide | Impurities | CS-EO-04052 | Not Available | Enquire |
| Erythromycin EP Impurity K | Impurities | CS-O-16518 | 33442-56-7 | Enquire |
| Erythromycin EP Impurity M | Impurities | CS-T-94003 | 616234-56-1 | In Stock |
| Erythromycin Ethyl Fumarate | Impurities | CS-O-35506 | 122293-08-7 | Enquire |
| Erythromycin Ethylsuccinate | Impurities | CS-O-00215 | 41342-53-4 | In Stock |
| Erythromycin Ethylsuccinate EP Impurity G | Impurities | CS-EO-00470 | Not Available | Enquire |
| Erythromycin Impurity 12 | Impurities | CS-O-43971 | 1054651-74-9 | Enquire |
| Erythromycin Impurity E | Impurities | CS-P-07834 | 857839-61-3 | Enquire |
| Erythromycin Impurity H | Impurities | CS-T-63091 | 546-57-6 | Enquire |
| Erythromycin Impurity L | Impurities | CS-P-08065 | 127955-44-6 | In Stock |
| Erythromycin Impurity M | Impurities | CS-ED-00699 | Not Available | Enquire |
| Erythromycin Impurity M | Impurities | CS-P-08066 | 1037140-80-9 | Enquire |
| Erythromycin lactobioate B | Impurities | CS-EO-03539 | 527-75-3 (Freebase) | Enquire |
| Erythromycin Oxime | Impurities | CS-T-54174 | 111321-02-9 | In Stock |
| Erythromycin oxime base E-isomer | Impurities | CS-O-34099 | 1253181-38-2 | Enquire |
| Erythromycin propionate | Impurities | CS-AH-00118 | 134-36-1 | In Stock |
| Erythromycin-N-Oxide | Impurities | CS-CM-00085 | 992-65-4 | In Stock |
| N-demethyl-N-formyl-6-O-methyl-erythromycin A-9-oxime | Impurities | CS-O-35215 | Not Available | Enquire |
| N-Demethyl-N-Propanoyl Erythromycin | Impurities | CS-P-07835 | 147702-49-6 | Enquire |
| Pseudo Erythromycin A Enol Ether | Impurities | CS-T-60670 | 105882-69-7 | Enquire |
| Pseudoerythromycin A Hemiketal | Impurities | CS-T-85218 | 105900-46-7 | Enquire |
| seco Erythromycin | Impurities | CS-T-54163 | 143416-84-6 | Enquire |
| Silylated Erythromycin Oxime Ketal | Impurities | CS-O-34198 | 119665-76-8 | Enquire |
EP Standards
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Erythromycin A(Y0001912) | EP Standards | CS-EG-00576 | 114-07-8 | Enquire |
| Erythromycin B (E1310000) | EP Standards | CS-EG-00564 | 527-75-3 | Enquire |
| Erythromycin C (E1320000) | EP Standards | CS-EG-00565 | 1675-02-1 | Enquire |
| Erythromycin for impurity M identification (Y0001846) | EP Standards | CS-EG-00580 | 114-07-8 | Enquire |
| Erythromycin for microbiological assay (E1300000) | EP Standards | CS-EG-01342 | 114-07-8 | Enquire |
| Erythromycin for system suitability (Y0001847) | EP Standards | CS-EG-00579 | 114-07-8 | Enquire |
| Erythromycin stearate for impurity S identification (Y000184... | EP Standards | CS-EG-02421 | 643-22-1 | Enquire |
| N-Demethylerythromycin A (D0350000) | EP Standards | CS-EG-00428 | 992-62-1 | Enquire |
Intermediates
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| (10E)-3-O-De(a-L-cladinose)-10-dehydro-11-dehydroxy-6-O-meth... | Intermediates | CS-T-52322 | 198782-59-1 | Enquire |
| (9Z)-Erythromycin A Oxime | Intermediates | CS-T-54173 | 134931-01-4 | Enquire |
| 12-Deoxyerythromycin 9-Oxime | Intermediates | CS-T-73210 | 53274-43-4 | Enquire |
| 3'-[[(2-Methoxyethoxy)methyl Erythromycin A Oxime Chloride | Intermediates | CS-T-57688 | 151750-47-9 | Enquire |
| 4-Ethoxy-4-oxobutanoic acid | Intermediates | CS-M-13873 | 1070-34-4 | In Stock |
| 6-O-Methyl-2,4-bis-O-(trimethylsilyl)erythromycin- 9-[O-(1-e... | Intermediates | CS-MM-09056 | 119665-62-2 | Enquire |
| 8-Fluoro Erythromycin | Intermediates | CS-T-24022 | 82664-20-8 | Enquire |
| 9a-aza-9a-homo Erythromycin A | Intermediates | CS-T-48446 | 76820-32-1 | Enquire |
| Erythromycin B | Intermediates | CS-T-21948 | 527-75-3 | Enquire |
Fine Chemicals
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 6-O-Methyl-2,4-bis-O-(trimethylsilyl)erythromycin9-[O-(1-eth... | Fine Chemicals | CS-MM-00248 | 119699-81-9 | Enquire |
| Erythromycin ethyl succinate | Fine Chemicals | CS-BX-00768 | 1264-62-6 | Enquire |