Approval: | ISO |
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IUPAC name: | extended von Baeyer nomenclature: mixture of 90–100% (10E,14E,16E)-(1R,4S,5′S,6S,6′R,8R,12S,13S,20R,21R,24S)-6′-[(S)-sec-butyl]-21,24-dihydroxy-5′,11,13,22-tetramethyl-2-oxo-(3,7,19-trioxatetracyclo[15.6.1.14,8.020,24]pentacosa-10,14,16,22-tetraene)-6-spiro-2′-(5′,6′-dihydro-2′H-pyran)-12-yl 2,6-dideoxy-3-O-methyl-4-O-[2,4,6-trideoxy-3-O-methyl-4-(methylamino)-α-L-lyxo-hexapyranosyl]-α-L-arabino-hexapyranoside and 10–0% (10E,14E,16E)-(1R,4S,5′S,6S,6′R,8R,12S,13S,20R,21R,24S)-21,24-dihydroxy-6′-isopropyl-5′,11,13,22-tetramethyl-2-oxo-(3,7,19-trioxatetracyclo[15.6.1.14,8.020,24]pentacosa-10,14,16,22-tetraene)-6-spiro-2′-(5′,6′-dihydro-2′H-pyran)-12-yl 2,6-dideoxy-3-O-methyl-4-O-[2,4,6-trideoxy-3-O-methyl-4-(methylamino)-α-L-lyxo-hexapyranosyl]-α-L-arabino-hexapyranoside or bridged fused ring systems nomenclature: mixture of 90–100% (2aE,4E,8E)-(5′S,6S,6′R,7S,11R,13S,15S,17aR,20R,20aR,20bS)-6′-[(S)-sec-butyl]-5′,6,6′,7,10,11,14,15,17a,20,20a,20b-dodecahydro-20,20b-dihydroxy-5′,6,8,19-tetramethyl-17-oxospiro[11,15-methano-2H,13H,17H-furo[4,3,2-pq][2,6]benzodioxacyclooctadecin-13,2′-[2H]pyran]-7-yl 2,6-dideoxy-3-O-methyl-4-O-[2,4,6-trideoxy-3-O-methyl-4-(methylamino)-α-L-lyxo-hexapyranosyl]-α-L-arabino-hexapyranoside and 10–0% (2aE,4E,8E)-(5′S,6S,6′R,7S,11R,13S,15S,17aR,20R,20aR,20bS)-5′,6,6′,7,10,11,14,15,17a,20,20a,20b-dodecahydro-20,20b-dihydroxy-6′-isopropyl-5′,6,8,19-tetramethyl-17-oxospiro[11,15-methano-2H,13H,17H-furo[4,3,2-pq][2,6]benzodioxacyclooctadecin-13,2′-[2H]pyran]-7-yl 2,6-dideoxy-3-O-methyl-4-O-[2,4,6-trideoxy-3-O-methyl-4-(methylamino)-α-L-lyxo-hexapyranosyl]-α-L-arabino-hexapyranoside |
CAS name: | (4″R)-4″-deoxy-4″-(methylamino)avermectin B1 |
CAS Reg. No.: | 119791-41-2 |
Formula: | C49H75NO13 (emamectin B1a) + C48H73NO13 (emamectin B1b) |
Activity: | insecticides (avermectin) |
Notes: | Derivatives include emamectin benzoate [155569-91-8, formerly 137512-74-4]. The name “abamectin-aminomethyl” (甲氨基阿维菌素) is approved in China. The CAS Registry Numbers 123997-28-4 and 137335-79-6 were formerly used. |
Structure: | |
Pronunciation: | ěm-a-měk-tǐn Guide to British pronunciation |
InChIKey: | emamectin B1a (6′-(S)-sec-butyl): CXEGAUYXQAKHKJ-COFQVFHOSA-N emamectin B1b (6′-isopropyl): DXIOOXFZLKCVHK-VAUHGISYSA-N identifier for mixture (not valid): JYKUGBHHPJEEER-ZZMYSPDMSA-N |
InChI: | emamectin B1a (6′-(S)-sec-butyl): InChI=1S/C49H75NO13/c1-12-26(2)44-29(5)18-19-48(63-44)24-35-21-34(62-48)17-16-28(4)43(27(3)14-13-15-33-25-56-46-42(51)30(6)20-36(47(52)59-35)49(33,46)53)60-40-23-38(55-11)45(32(8)58-40)61-39-22-37(54-10)41(50-9)31(7)57-39/h13-16,18-20,26-27,29,31-32,34-46,50-51,53H,12,17,21-25H2,1-11H3/b14-13+,28-16+,33-15+/t26-,27-,29-,31-,32-,34+,35-,36-,37-,38-,39-,40-,41+,42+,43-,44+,45-,46+,48+,49+/m0/s1 emamectin B1b (6′-isopropyl): InChI=1S/C48H73NO13/c1-25(2)42-28(5)17-18-47(62-42)23-34-20-33(61-47)16-15-27(4)43(26(3)13-12-14-32-24-55-45-41(50)29(6)19-35(46(51)58-34)48(32,45)52)59-39-22-37(54-11)44(31(8)57-39)60-38-21-36(53-10)40(49-9)30(7)56-38/h12-15,17-19,25-26,28,30-31,33-45,49-50,52H,16,20-24H2,1-11H3/b13-12+,27-15+,32-14+/t26-,28-,30-,31-,33+,34-,35-,36-,37-,38-,39-,40+,41+,42+,43-,44-,45+,47+,48+/m0/s1 |
A data sheet from the Compendium of Pesticide Common Names