Avermectin

• Post Date:

  Apr 05,2025

• Expiry Date:

  Oct 02,2025

• Detailed Description:

  Cas No. :71751-41-2 Product name: Avermectin
  CAS No 71751-41-2
  Appearance: White or yellowish-white crystalline powder
  
  Application: Avermectin can control, repel and kill
  nematode, hookworm, worm insect, biok and acarid in the
  bodies of livestock and poulty. It is mainly used to treat
  Domestic animal diseases of nematode, itch mite and
  parasitic insect
  
  Storage: Sealed tightly and stored away from light in a cool and dry place.
  Place of origin: China.
  Validity: 2 years
  Packing: 1kg/foil bag, or 25kgs/carton drum
  
  Specification
  Test Items Standard Result
  Description White to light yellow crystalline powder without visible exotic impurities Conforms
  Identification IR Corresponds with that of standard
  HPLC The retention time for B1a corresponds with that of standard preparation Qualified
  Loss on drying ≤2.0 1.3
  Melting point 157-162℃ 158.3℃
  Acetone insolubles ≤0.2 0.04
  pH 4.5-7.0 6.1
  α (B1a/B1b) ≥4.0 14.7
  Assay Bla+ Blb≥95.0 97.6
  Bla/(Bla+ Blb)≥90.0 95.5
  Conclusion The results conform with GB19336-2003 standard
  
  
  Competitive Advantages
  Well and High Quality Control ,
  Prompt Delivery ,
  Competitive Prices ,
  Earth-friendly Products ,
  Small Order Acceptable

• CAS Registry Number:

  71751-41-2

• Synonyms:

  ;abamectin B1a;Mixture of Avermectin B1a and Avermectin B1b;Affirm;Agri-Mek;Avid;Zephyr;(2aE,4E,5'S,6S,6'R,7S,8E,11R,13S,15S,17aR,20R,20aR,20bS)-20,20b-dihydroxy-5',6,8,19-tetramethyl-6'-[(1S)-1-methylpropyl]-17-oxo-5',6,6',10,11,14,15,17,17a,20,20a,20b-dodecahydro-2H,7H-spiro[11,15-methanofuro[4,3,2-pq][2,6]benzodioxacyclooctadecine-13,2'-pyran]-7-yl 2,6-dideoxy-4-O-(2,6-dideoxy-3-O-methyl-alpha-L-arabino-hexopyranosyl)-3-O-methyl-alpha-L-arabino-hexopyranoside - (2aE,4E,5'S,6S,6'R,7S,8E,11R,13S,15S,17aR,20R,20aR,20bS)-20,20b-dihydroxy-5',6,8,19-tetramethyl-6'-(1-methylethyl)-17-oxo-5',6,6',10,11,14,15,17,17a,20,20a,20b-dodecahydro-2H,7H-spiro[11,15-methanofuro[4,3,2-pq][2,6]benzodioxacyclooctadecine-13,2'-pyran]-7-yl 2,6-dideoxy-4-O-(2,6-dideoxy-3-O-methyl-alpha-L-arabino-hexopyranosyl)-3-O-methyl-alpha-L-arabino-hexopyranoside (1:1);(2aE,4E,5'S,6S,6'R,7S,8E,11R,13S,15S,17aR,20R,20aR,20bS)-6'-[(2S)-butan-2-yl]-20,20b-dihydroxy-5',6,8,19-tetramethyl-17-oxo-5',6,6',10,11,14,15,17,17a,20,20a,20b-dodecahydro-2H,7H-spiro[11,15-methanofuro[4,3,2-pq][2,6]benzodioxacyclooctadecine-13,2'-pyran]-7-yl 2,6-dideoxy-4-O-(2,6-dideoxy-3-O-methyl-alpha-L-arabino-hexopyranosyl)-3-O-methyl-alpha-L-arabino-hexopyranoside;(5'S,6S,6'R,7S,11R,13S,15S,17aR,20R,20aR,20bS)-20,20b-dihydroxy-5',6,8,19-tetramethyl-6'-[(1S)-1-methylpropyl]-17-oxo-5',6,6',10,11,14,15,17,17a,20,20a,20b-dodecahydro-2H,7H-spiro[11,15-methanofuro[4,3,2-pq][2,6]benzodioxacyclooctadecine-13,2'-pyran]-7-yl 2,6-dideoxy-4-O-(2,6-dideoxy-3-O-methyl-α-L-arabino-hexopyranosyl)-3-O-methyl-α-L-arabino-hexopyranoside;Acimic;Abacide;Abamectine;Dynamec;Dynamec(R);Bermectine;Avermectin B;Avermectin B1;avermectin B1b;avermectin B1a;(10E,14E,16E,22Z)-(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-4-O-(2,6-dideoxy-3-O-methyl-a-L-arabino-hexopyranosyl)-3-O-methyl-a-L-arabino-hexopyranoside (i) mixture with (10E,14E,16E,22Z)-(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-4-O-(2,6-dideoxy-3-O-methyl-a-L-arabino-hexopyranosyl)-3-O-methyl-a-L-arabino-hexopyranoside (ii) (4:1);5-O-demethylavermectin A1a (i) mixture with 5-O-demethyl-25-de(1-methylpropyl)-25-(1-methylethyl)avermectin A1a (ii);AGRI-MEK(R);Avermectin;Avermectins;

• Molecular Formula:

  C₄₈H₇₂O₁₄

• Molecular Weight:

  873.0769

• Molecular Structure:

  

• Company:

  Taizhou Tianrui Chempharm Co., Ltd.     [ China ]          

• Contact:

• Tel:

  +86-576-88603301

• Fax:

  +86-576-88603302

• Email:

  sales@tianruipharm.com