1.0 2026-03-31 20:47:42 UTC 2026-08-22 11:15:25 UTC Milbemycin D SmallMolecule Milbemycin D belongs to the milbemycins, a subclass of macrolides and analogues within the organic compounds. It has the chemical formula C33H48O7. With an average molecular weight of 556.70 g/mol, Milbemycin D is a heavy molecule. This compound is classified within the superclass of phenylpropanoids and polyketides. It is found in or released from one recorded source, which includes antibiotics used in healthcare, pharmaceuticals, and veterinary products. Recorded exposure routes for this substance include oral and inhalation. (1'R,2R,4'S,5S,6R,8'R,10'E,13'R,14'E,16'E,20'R,21'R,24'S)-21',24'-Dihydroxy-6-isopropyl-5,11',13',22'-tetramethyl-3,4,5,6-tetrahydro-2'H-spiro[pyran-2,6'-[3,7,19]trioxatetracyclo[15.6.1.1~4,8~.0~20,24u000du000a~]pentacosa[10,14,16,22]tetraen]-2'-one (6R,25)-5-O-Demethyl-28-deoxy-6,28-epoxy-25-(1-methylethyl)milbemycin B (6R,25R)-5-O-Demethyl-28-deoxy-6,28-epoxy-25-(1-methylethyl)milbemycin B 5-O-demethyl-28-deoxy-6R,28-epoxy-25R-(1-methylethyl)-milbemycin B Antibiotic B 41D Antibiotic B-41D B 41D Milbemycin B, 5-O-demethyl-28-deoxy-6,28-epoxy-25-(1-methylethyl)-, (6R,25R)- milbemycin D milbemycins UNII-04S0E2XJQI UNII:04S0E2XJQI C33H48O7 556.7 556.340004 77855-81-3 InChI=1S/C33H48O7/c1-19(2)29-22(5)12-13-32(40-29)17-26-16-25(39-32)11-10-21(4)14-20(3)8-7-9-24-18-37-30-28(34)23(6)15-27(31(35)38-26)33(24,30)36/h7-10,15,19-20,22,25-30,34,36H,11-14,16-18H2,1-6H3/b8-7+,21-10+,24-9+/t20-,22-,25+,26-,27-,28+,29+,30+,32+,33+/m0/s1 BWCRYQGQPDBOAU-WZBVPYLGSA-N Detected and Not Quantified logp 4.1 average_mass 556.7 ChemAxon mono_mass 556.340004 ChemAxon formula C33H48O7 ChemAxon inchi InChI=1S/C33H48O7/c1-19(2)29-22(5)12-13-32(40-29)17-26-16-25(39-32)11-10-21(4)14-20(3)8-7-9-24-18-37-30-28(34)23(6)15-27(31(35)38-26)33(24,30)36/h7-10,15,19-20,22,25-30,34,36H,11-14,16-18H2,1-6H3/b8-7+,21-10+,24-9+/t20-,22-,25+,26-,27-,28+,29+,30+,32+,33+/m0/s1 ChemAxon inchikey BWCRYQGQPDBOAU-WZBVPYLGSA-N ChemAxon #<HealthEffect::ActiveRecord_Associations_CollectionProxy:0x00007f7224263ca0> 6440579 16736154