Spectinomycin EP Impurity E CAS 88270-91-1
Purity ≥90%In StockPharmacopoeial Impurity Standards
| CAS No. | 88270-91-1 |
| Molecular Formula | C13H22N2O7 |
| Molecular Weight | 318.32 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Spectinomycin EP Impurity E (CAS 88270-91-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H22N2O7. Molecular weight: 318.32 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C13H22N2O7 |
| Molecular Weight | 318.32 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | ≥90% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 2 |
Related Spectinomycin Standards
- Spectinomycin (CAS 1695-77-8)
- Spectinomycin Impurity 2 (CAS 28048-39-7)
- Spectinomycin EP Impurity F (CAS 1323437-06-4)
- Spectinomycin Impurity 1 (CAS 3736-78-5)
- Spectinomycin EP Impurity D (CAS 935756-69-7)
- Spectinomycin EP Impurity B (CAS CATO-C4X-22166)
- Spectinomycin impurity 3 (CAS CATO-C4X-22163)
- Spectinomycin EP Impurity A (CAS 6216-38-2)
Recommended Standards
- Scopolamine impurity 26 (CAS CATO-C4X-195826)
- Phenolphthalein (CAS 77-09-8)
- Bilirubin impurity B1 (CAS CATO-C4X-15618)
- Cabozantinib Impurity 2 (CAS 918642-61-2)
- Gliquidone Impurity 4 (CAS 191988-38-2)
- 4,4'-Dimethyl-[1,1'-biphenyl]-3,3'-disulfonic acid (CAS 57277-26-6)
- 3-Phenyl-4H-1,2,4-triazole hydrochloride (CAS 31401-73-7)
- Imidazo[1,2-a]pyrazine-3-carboxylic acid, 8-methyl-, ethyl ester (CAS 1956354-81-6)
- 1-Methoxy-4-(trifluoromethoxy)benzene (CAS 710-18-9)
- Lixisenatide (CAS 320367-13-3)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com