Erythromycin Sulfate CAS 7184-72-7
| CAS No. | 7184-72-7 |
| Molecular Formula | C37H67NO13 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Erythromycin Sulfate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Erythromycin Sulfate (CAS 7184-72-7), molecular formula C37H67NO13H2O4S and molecular weight 832.01 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Erythromycin Sulfate (C37H67NO13H2O4S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 832.01 g/mol, it falls into the high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C37H67NO13 H2O4S |
| Molecular Weight | 832.01 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1959 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Erythromycin Standards
- Erythromycin EP Impurity F (CAS 105882-69-7)
- Erythromycin EP Impurity J (CAS 105900-46-7)
- Erythromycin Impurity 45 (CAS 1094780-33-2)
- Erythromycin (CAS 114-07-8)
- Erythromycin Compound M3 (CAS 119665-62-2)
- Erythromycin Impurity N8 (CAS 119665-78-0)
- Erythromycin Ethyl Succinate (CAS 1264-62-6)
- Erythromycin Ethylsuccinate-13C-d3 (CAS 1264-62-6 (non-labelled))
Recommended Standards
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- Methyl 3-Hydroxycyclohexanecarboxylate (CAS 37722-82-0)
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- 5-Nitro-2-(pyridin-4-yl)-2,3-dihydro-1h-isoindole-1,3-dione (CAS 404896-26-0)
- 3-((4-Bromobenzyl)thio)-6-(1H-imidazol-1-yl)pyridazine (CAS 1334373-91-9)
- Alectinib impurity 03 (CAS 1820882-01-6)
- 4-Ethyl-N-(1-methoxypropan-2-yl)cyclohexan-1-amine (CAS 1152897-57-8)
- (Leu31,Pro3?)-Neuropeptide Y (human, rat) trifluoroacetate salt (CAS 132699-73-1)
Why CATO?
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