Category
Selamectin
CAS Number
Selamectin STD-220119-17-5: IMP-A-165108-08-7: IMP-B-165108-09-8: IMP-C-NA: IMP-D-301849-46-7
Molecular Formula
Selamectin STD-C43H63NO11: IMP-A-C43H63NO12: IMP-B-C43H61NO11: IMP-C-C36H51NO8: IMP-D-C50H75NO14
Molecular Weight
Selamectin STD-769.96: IMP-A-785.97: IMP-B-767.96: IMP-C-625.8: IMP-D-914.14
Synonym

Selamectin STD-(1R,4S,5'S,6R,6'S,8R,10E,12S,13S,14E,16E,20R,21Z,24S)-6'-cyclohexyl-24-hydroxy-21-hydroxyimino-12-[(2R,4S,5S,6S)-5-hydroxy-4-methoxy-6-methyloxan-2-yl]oxy-5',11,13,22-tetramethylspiro[3,7,19-trioxatetracyclo[15.6.1.14,8.020,24]pentacosa-10,14,16,22-tetraene-6,2'-oxane]-2-one

Selamectin-IMP-A-(5Z,23S,25R)-25-Cyclohexyl-4'-O-de(2,6-dideoxy-3-O-methyl-α-L-arabino-hexopyranosyl)-5-demethoxy-25-de(1-methylpropyl)-22,23-dihydro-23-hydroxy-5-hydroxyiminoavermectin A1a

Selamectin-IMP-B-(5Z,25R)-25-cyclohexyl-4'-O-de(2,6-dideoxy-3-O-methyl-α-L-arabino-hexopyranosyl)-5-demethoxy-25-de(1-methylpropyl)-5-hydroxyiminoavermectin A1a

Selamectin-IMP-C-(2aE,2′R,4E,5′S,6S,6′S,7S,8E,11R,15S,17aR,20Z,20aR,20bS)-6′-Cyclohexyl-7,20b-dihydroxy-20-(hydroxyimino)-5′,6,8,19-tetramethyl-3′,4′,5′,6,6′,7,10,11,14,15,17a,20,20a,20b-tetradecahydrospiro[2H,17H-11,15-methanofuro[4,3,2-pq][2,6]benzodioxacyclooctadecine-13,2′-pyran]-17-one ((5Z,21R,25S)-25-cyclohexyl-13-O-de[2,6-dideoxy-4-O-(2,6-dideoxy-3-O-methyl-α-L-arabino-hexopyranosyl)-3-O-methyl-α-L-arabino-hexopyranosyl]-5-demethoxy-25-de(1-methylpropyl)-22,23-dihydro-5-(hydroxyimino)avermectin A1a)

Selamectin-IMP-D- (5Z,21R,25S)-25-cyclohexyl-25-de(butan-2-yl)-5-
demethoxy-5-(hydroxyimino)-22,23-dihydroavermectin

Slide 1.GIF
Purity:

Above - 95.0%

Technical Data:

We will provide complete documentation support for every Standard Material. All analytical reports such as ¹H NMR, ¹³C NMR, Mass, FT-IR, HPLC Purity/GC Purity/QNMR Purity, Water content by KF/ Loss on Drying/TGA (Thermo-gravimetric Analysis). Certificate of Analysis with potency report. Each Standard Material SER (Structure Elucidation Report) with NMR, Mass, IR spectral interpretation. This whole analytical document can be included in eCTD, ANDA, DMF submissions to regulatory agencies.

Selamectin for peak identification CRS used to verify the performance of the chromatographic system by evaluating parameters like resolution, repeatability, and retention time during system suitability testing before sample analysis.