Spiramycin Impurity – E
(4R,5S,6S,7S,9R,10R,11E,13E,16R)-6-[[3,6-dideoxy-4-O-(2,6-dideoxy-3-C-methyl-α-L-ribo-hexopyranosyl)-3-(dimethylamino)-β-D-glucopyranosyl]oxy]-7-ethyl-4-hydroxy-5-methoxy-9,16-dimethyl-10-[[2,3,4,6-tetradeoxy-4-(dimethylamino)-β-D-erythrohexopyranosyl]oxy]oxacyclohexadeca-11,13-dien-2-one (18-deoxy-18-dihydrospiramycin I or DSPM)
| Chemical Name | (4R,5S,6S,7S,9R,10R,11E,13E,16R)-6-[[3,6-dideoxy-4-O-(2,6-dideoxy-3-C-methyl-α-L-ribo-hexopyranosyl)-3-(dimethylamino)-β-D-glucopyranosyl]oxy]-7-ethyl-4-hydroxy-5-methoxy-9,16-dimethyl-10-[[2,3,4,6-tetradeoxy-4-(dimethylamino)-β-D-erythrohexopyranosyl]oxy]oxacyclohexadeca-11,13-dien-2-one (18-deoxy-18-dihydrospiramycin I or DSPM) |
|---|---|
| CAS No. | 177584-14-4 |
| Molecular Formula | C43H76N2O13 |
| Molecular Weight | 829.08 |
| Chemical Structure |
![(4R,5S,6S,7S,9R,10R,11E,13E,16R)-6-[[3,6-dideoxy-4-O-(2,6-dideoxy-3-C-methyl-α-L-ribo-hexopyranosyl)-3-(dimethylamino)-β-D-glucopyranosyl]oxy]-7-ethyl-4-hydroxy-5-methoxy-9,16-dimethyl-10-[[2,3,4,6-tetradeoxy-4-(dimethylamino)-β-D-erythrohexopyranosyl]oxy]oxacyclohexadeca-11,13-dien-2-one (18-deoxy-18-dihydrospiramycin I or DSPM) Structure](https://bhavanishlifesciences.com/wp-content/uploads/2026/09/spiramycin-impurity-e-structure.png) |
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Spiramycin Impurity – E
Spiramycin Impurity – E represents a known degradation or process impurity of Spiramycin in accordance with EP specifications. It has the molecular formula C43H76N2O13 and a molecular weight of 829.08 g/mol. It plays a key role in stability-indicating assay development and regulatory impurity profiling for Spiramycin. Offered as a high-purity analytical reference standard for use in HPLC, LC-MS/MS, and other chromatographic techniques.
Spiramycin impurities reference standards are useful in pharmaceutical research. They are useful in product development, ANDA and DMF filing, Quality control (QC), method validation, and stability studies. It is also useful in the identification of unknown impurities and the assessment of genotoxic potential.
We are the BHAVANISH LIFE SCIENCES specializes in manufacturing and supplying of Spiramycin impurities that meet specific pharmacopeial standards (USP/EP/BP/IP) as well as process-related impurities.
This related products or Impurities are thoroughly characterized. Supplied with detailed COA & analytical data Like NMR / MASS / HPLC / GC / IR / TGA / Potency / Structure elucidation data (SER Report) meeting regulatory compliance.
BHAVANISH LIFE SCIENCES provides this compound for research and development and Analytical testing use only, and is not meant for human consumption. With product information including CAS number, molecular formula, molecular weight details.
BHAVANISH LIFE SCIENCES in providing high-quality impurity standards to support pharmaceutical companies in maintaining drug safety and efficacy.
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