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 |
|---|---|---|---|---|
| 4'',6-Di-O-methylerythromycin-d3 | Stable Isotopes | CS-T-96587 | Not Available | Enquire |
| Erythromycin Ethyl Succinate-13C,d3 | Stable Isotopes | CS-T-100350 | Not Available | Enquire |
| Erythromycin Ethyl Succinate-d6 | Stable Isotopes | CS-O-13302 | 1264-62-6(Unlabeled) | In Stock |
| Erythromycin Glucoheptonate-d3 | Stable Isotopes | CS-T-96310 | Not Available | Enquire |
| Erythromycin-13C,d3 | Stable Isotopes | CS-O-06591 | 959119-26-7 | In Stock |
| Erythromycin-d3 | Stable Isotopes | CS-O-14220 | 959119-26-7 | In Stock |
| Erythromycin-d3 A 9-Oxime | Stable Isotopes | CS-T-97536 | Not Available | Enquire |
| Erythromycylamine-d3 | Stable Isotopes | CS-T-94912 | ---- | Enquire |
| N-Nitroso-N-Desmethyl Erythromycin-d3 | Stable Isotopes | CS-T-104118 | ---- | Enquire |
| Erythromycin D6 | Stable Isotopes | CS-T-54162 | 959119-25-6 | Enquire |
| Erythromycin Ethylsuccinate-13C-D3 | Stable Isotopes | CS-P-07833 | Not Available | Enquire |
| Erythromycin Ethylsuccinate-D5 | Stable Isotopes | CS-P-07832 | Not Available | Enquire |
| N-Demethyl Erythromycin A D3 | Stable Isotopes | CS-O-33553 | Not Available | Enquire |
API
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Erythromycin | API | CS-O-11641 | 114-07-8 | In Stock |
| Erythromycin A dihydrate | API | CS-O-00208 | 59319-72-1 | In Stock |
| Erythromycin E | API | CS-T-21952 | 41451-91-6 | In Stock |
| Erythromycin Estolate | API | CS-T-54168 | 3521-62-8 | In Stock |
| Erythromycin Ethyl Succinate | API | CS-T-54166 | 1264-62-6 | In Stock |
| Erythromycin Hydrohloride | API | CS-EO-03537 | 14271-02-4 | Enquire |
| Erythromycin stearate | API | CS-O-01436 | 643-22-1 | In Stock |
| Erythromycin Sulfate | API | CS-EO-03538 | 7184-72-7 | Enquire |
| Erythromycin Thiocyanate | API | CS-O-00232 | 7704-67-8 | In Stock |
| Erythromycin Glucoheptonate | API | CS-T-54167 | 23067-13-2 | Enquire |
| Erythromycin Lactobionate | API | CS-T-54175 | 3847-29-8 | Enquire |
| Erythromycin Phosphate | API | CS-AH-00117 | 4501-00-2 | Enquire |
Metabolite
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Erythromycin E N-oxide | Metabolite | CS-O-42846 | 820978-34-5 | In Stock |
| N-Demethyl Erythromycin A | Metabolite | CS-T-51847 | 992-62-1 | In Stock |
Impurity
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 13-Deethyl-13-methyl erythromycin | Impurity | CS-O-50180 | 229318-98-3 | Enquire |
| 4''-O-methyl-Erythromycin | Impurity | CS-O-50182 | 200802-92-2 | Enquire |
| 8,9;10,11-Dianhydro-9,12-hemiketal-6-O-Methyl-Erythromycin A | Impurity | CS-O-48516 | Not Available | Enquire |
| 8a-Aza-8a-homoerythromycin A | Impurity | CS-EO-02336 | 145259-55-8 | Enquire |
| 8a-erythromycin A 6,9-Iminoether | Impurity | CS-O-45340 | Not Available | Enquire |
| 8a-erythromycin A 9,12-Iminoether | Impurity | CS-O-45342 | 145259-57-0 | Enquire |
| 8a-erythromycin B 6,9-Iminoether | Impurity | CS-O-45341 | Not Available | Enquire |
| Clarithromycin Corresponding impurity of erythromycin E | Impurity | CS-O-43978 | Not Available | Enquire |
| Erythromycin A 6,9-Imino Ether | Impurity | CS-T-54171 | 99290-97-8 | In Stock |
| Erythromycin A Enol Ether | Impurity | CS-T-54164 | 33396-29-1 | In Stock |
| Erythromycin C | Impurity | CS-T-54165 | 1675-02-1 | In Stock |
| Erythromycin EP impurity P | Impurity | CS-O-59108 | ---- | Enquire |
| Erythromycin EP Impurity A | Impurity | CS-O-16844 | 82230-93-1 | In Stock |
| Erythromycin EP Impurity D | Impurity | CS-O-10091 | 23893-13-2 | In Stock |
| Erythromycin EP Impurity D N-Oxide | Impurity | CS-EO-04051 | ---- | Enquire |
| Erythromycin EP Impurity E N-Oxide | Impurity | CS-O-42680 | 36693-59-1 | Enquire |
| Erythromycin EP Impurity F N-Oxide | Impurity | CS-EO-04052 | ---- | Enquire |
| Erythromycin EP Impurity K | Impurity | CS-O-16518 | 33442-56-7 | Enquire |
| Erythromycin EP Impurity M | Impurity | CS-T-94003 | 616234-56-1 | In Stock |
| Erythromycin EP Impurity N | Impurity | CS-EO-00559 | Not Available | Enquire |
| Erythromycin Ethylsuccinate | Impurity | CS-O-00215 | 41342-53-4 | In Stock |
| Erythromycin Impurity 12 | Impurity | CS-O-43971 | 1054651-74-9 | Enquire |
| Erythromycin Impurity L | Impurity | CS-P-08065 | 127955-44-6 | In Stock |
| Erythromycin lactobioate B | Impurity | CS-EO-03539 | 527-75-3 (Freebase) | Enquire |
| Erythromycin Oxime | Impurity | CS-T-54174 | 111321-02-9 | In Stock |
| Erythromycin propionate | Impurity | CS-AH-00118 | 134-36-1 | In Stock |
| Erythromycin-N-Oxide | Impurity | CS-CM-00085 | 992-65-4 | In Stock |
| Pseudo Erythromycin A Enol Ether | Impurity | CS-T-60670 | 105882-69-7 | Enquire |
| 10,11-Anhydroerythromycin | Impurity | CS-O-50181 | 40554-78-7 | Enquire |
| 11,12-Di-O-methyl erythromycin A | Impurity | CS-O-35216 | Not Available | Enquire |
| 13-desethyl, 13-propyl-Erythromycin A | Impurity | CS-O-32950 | 288584-78-1 | Enquire |
| 6-O-Methyl-erythromycin 9-[O-[1-(1-Methylethoxy)cyclohexyl]o... | Impurity | CS-T-80975 | 156715-14-9 | Enquire |
| 9-Deoxo-9a-aza-9a-homo 4’-Keto Erythromycin A | Impurity | CS-T-93852 | 270583-32-9 | Enquire |
| 9-Oxime 3''-O-Demethyl-erythromycin | Impurity | CS-T-59988 | 226086-79-9 | Enquire |
| Azaerythromycin A 11,12-hydrogen borate | Impurity | CS-P-08697 | 194809-66-0 | Enquire |
| Clarithromycin_EO | Impurity | CS-O-34200 | 119665-77-9 | Enquire |
| Erythralosamine | Impurity | CS-T-92303 | 546-57-6 | Enquire |
| Erythromycin Ethyl Fumarate | Impurity | CS-O-35506 | 122293-08-7 | Enquire |
| Erythromycin Ethylsuccinate EP Impurity G | Impurity | CS-EO-00470 | Not Available | Enquire |
| Erythromycin Impurity E | Impurity | CS-P-07834 | 857839-61-3 | Enquire |
| Erythromycin Impurity H | Impurity | CS-T-63091 | 546-57-6 | Enquire |
| Erythromycin Impurity M | Impurity | CS-P-08066 | 1037140-80-9 | Enquire |
| Erythromycin Impurity M | Impurity | CS-ED-00699 | Not Available | Enquire |
| Erythromycin oxime base E-isomer | Impurity | CS-O-34099 | 1253181-38-2 | Enquire |
| Erythromycin phthalyl ester | Impurity | CS-O-41717 | 121057-86-1 | Enquire |
| N-demethyl-N-formyl-6-O-methyl-erythromycin A-9-oxime | Impurity | CS-O-35215 | Not Available | Enquire |
| N-Demethyl-N-Propanoyl Erythromycin | Impurity | CS-P-07835 | 147702-49-6 | Enquire |
| Norerythromycin | Impurity | CS-O-50179 | 37152-22-0 | Enquire |
| Pseudoerythromycin A Hemiketal | Impurity | CS-T-85218 | 105900-46-7 | Enquire |
| seco Erythromycin | Impurity | CS-T-54163 | 143416-84-6 | Enquire |
| Silylated Erythromycin Oxime Ketal | Impurity | CS-O-34198 | 119665-76-8 | Enquire |
Intermediate
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 4-Ethoxy-4-oxobutanoic acid | Intermediate | CS-M-13873 | 1070-34-4 | In Stock |
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 |
Secondary Standards
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Azaerythromycin A | Secondary Standards | CS-SS-25533 | 76801-85-9 | Enquire |
| Erythromycin | Secondary Standards | CS-SS-24095-1GM | 0114-07-8 | Enquire |
| Erythromycin (Certifed secondary standards) | Secondary Standards | CS-E-R02864 | 114-07-8 | Enquire |
| Erythromycin Ethylsuccinate | Secondary Standards | CS-SS-24581-250MG | 1264-62-6 | Enquire |
Analytical Standard
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Erythromycin Ethyl Succinate D6-AR Grade | Analytical Standard | CS-O-13302-10MG | 1264-62-6(Unlabeled) | Enquire |
| Erythromycin Ethyl Succinate D6-AR Grade-10 ppm/ACN | Analytical Standard | CS-O-13302-1ML | 1264-62-6(Unlabeled) | Enquire |
| N-Nitroso Erythromycin EP Impurity B | Analytical Standard | CS-EO-02640-10mg | ---- | Enquire |
| N-nitroso-desmethyl-erythromycin ethylsuccinate-100 PPM in A... | Analytical Standard | CS-O-48720-1.5ML | ---- | Enquire |
| N-nitroso-desmethyl-erythromycin-100 PPM in Acetonitrile | Analytical Standard | CS-EO-02640-1.5ML | ---- | Enquire |
| N-Nitroso-N-Desmethyl Erythromycin Ethyl Succinate | Analytical Standard | CS-O-48720-10MG | ---- | Enquire |