1691240-78-4 75F74Y2R70 Nafithromycin UNII-75F74Y2R70 (3R,31Z,3aS,4R,6R,8R,9R,10R,12R,15R,15aS)-15-Ethyl-8-methoxy-4,6,8,10,12,15a-hexamethyl-2,5,11,13-tetraoxo-N'-((1S)-1-(5-(pyridin-2-yl)-1,3,4-thiadiazol-2-yl)ethoxy)-9-((3,4,6-trideoxy-3-(dimethylamino)-beta-D-xylohexopyranosyl)oxy)tetradecahydro-2 2H-Furo(2,3-C)oxacyclotetradecin-3-carboximidamide, 15-ethyltetradecahydro-8-methoxy-4,6,8,10,12,15a-hexamethyl-2,5,11,13-tetraoxo-N'-((1S)-1-(5-(2-pyridinyl)-1,3,4-thiadiazol-2-yl)ethoxy)-9-((3,4,6-trideoxy-3-(dimethylamino)-beta-D-xylo-hexopyrano Nafithromycin [INN] CAS 1691240-78-4
| CAS No. | 1691240-78-4 |
| Molecular Formula | C42H62N6O11S |
| Molecular Weight | 859.04 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1691240-78-4 75F74Y2R70 Nafithromycin UNII-75F74Y2R70 (3R,31Z,3aS,4R,6R,8R,9R,10R,12R,15R,15aS)-15-Ethyl-8-methoxy-4,6,8,10,12,15a-hexamethyl-2,5,11,13-tetraoxo-N'-((1S)-1-(5-(pyridin-2-yl)-1,3,4-thiadiazol-2-yl)ethoxy)-9-((3,4,6-trideoxy-3-(dimethylamino)-beta-D-xylohexopyranosyl)oxy)tetradecahydro-2 2H-Furo(2,3-C)oxacyclotetradecin-3-carboximidamide, 15-ethyltetradecahydro-8-methoxy-4,6,8,10,12,15a-hexamethyl-2,5,11,13-tetraoxo-N'-((1S)-1-(5-(2-pyridinyl)-1,3,4-thiadiazol-2-yl)ethoxy)-9-((3,4,6-trideoxy-3-(dimethylamino)-beta-D-xylo-hexopyrano Nafithromycin [INN] (CAS 1691240-78-4), molecular formula C42H62N6O11S and molecular weight 859.04 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 1691240-78-4 75F74Y2R70 Nafithromycin UNII-75F74Y2R70 (3R,31Z,3aS,4R,6R,8R,9R,10R,12R,15R,15aS)-15-Ethyl-8-methoxy-4,6,8,10,12,15a-hexamethyl-2,5,11,13-tetraoxo-N'-((1S)-1-(5-(pyridin-2-yl)-1,3,4-thiadiazol-2-yl)ethoxy)-9-((3,4,6-trideoxy-3-(dimethylamino)-beta-D-xylohexopyranosyl)oxy)tetradecahydro-2 2H-Furo(2,3-C)oxacyclotetradecin-3-carboximidamide, 15-ethyltetradecahydro-8-methoxy-4,6,8,10,12,15a-hexamethyl-2,5,11,13-tetraoxo-N'-((1S)-1-(5-(2-pyridinyl)-1,3,4-thiadiazol-2-yl)ethoxy)-9-((3,4,6-trideoxy-3-(dimethylamino)-beta-D-xylo-hexopyrano Nafithromycin [INN] (C42H62N6O11S) 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 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 859.04 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.
CATO manufactures 1691240-78-4 75F74Y2R70 Nafithromycin UNII-75F74Y2R70 (3R,31Z,3aS,4R,6R,8R,9R,10R,12R,15R,15aS)-15-Ethyl-8-methoxy-4,6,8,10,12,15a-hexamethyl-2,5,11,13-tetraoxo-N'-((1S)-1-(5-(pyridin-2-yl)-1,3,4-thiadiazol-2-yl)ethoxy)-9-((3,4,6-trideoxy-3-(dimethylamino)-beta-D-xylohexopyranosyl)oxy)tetradecahydro-2 2H-Furo(2,3-C)oxacyclotetradecin-3-carboximidamide, 15-ethyltetradecahydro-8-methoxy-4,6,8,10,12,15a-hexamethyl-2,5,11,13-tetraoxo-N'-((1S)-1-(5-(2-pyridinyl)-1,3,4-thiadiazol-2-yl)ethoxy)-9-((3,4,6-trideoxy-3-(dimethylamino)-beta-D-xylo-hexopyrano Nafithromycin [INN] under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C42H62N6O11S |
| Molecular Weight | 859.04 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Nitrogen Atoms | 6 |
| Sulfur Atoms | 1 |
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