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ChemicalBook >> CAS DataBase List >> Avermectin A1a, 5-O-demethyl-22,23-dihydro-

Avermectin A1a, 5-O-demethyl-22,23-dihydro-

Avermectin A1a, 5-O-demethyl-22,23-dihydro- price.
  • $47 - $995
  • Product name: Avermectin A1a, 5-O-demethyl-22,23-dihydro-
  • CAS: 71827-03-7
  • MF: C48H74O14
  • MW: 875.09
  • EINECS:276-046-2
  • MDL Number:
  • Synonyms:22,23-Dihydro-5-O-demethylavermectin A1a;5-O-Demethyl-22,23-dihydroavermectin A1a;Dihydroavermectin B1a;IvermectinH2B1a;(2Ae,4E,5'S,6S,6'R,7S,8E,11R,13R,15S,17ar,20R,20ar,20bs)-20,20B-dihydroxy-5',6,8,19-tetramethyl-6'-[(1S)-1-methylpropyl]-17-oxo-3',4',5',6,6',10,11,14,15,17,17A,20,20A,20B-tetradecahydro-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;Avermectin A1a, 5-O-demethyl-22,23-dihydro- ;Ivermectin Impurity 3;Ivermectin B1a (>85%)
Price23 Properties Safety Information Description
23 prices
Selected condition：
Brand
  • aablocks
  • ACHEMBLOCK
  • American Custom Chemicals Corporation
  • ApexBio Technology
  • AvaChem
  • Cayman Chemical
  • ChemScene
Package
  • 1mg
  • 5mg
  • 10mg
  • 25mg
  • 50mg
  • 100mg
  • Manufactureraablocks
  • Product numberAA00FBGH
  • Product descriptionSpiro[11,15-methano-2H,13H,17H-furo[4,3,2-pq][2,6]benzodioxacyclooctadecin-13,2'-[2H]pyran], avermectin A1a deriv. ≥98%
  • Packaging1mg
  • Price$47
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00FBGH
  • Product descriptionSpiro[11,15-methano-2H,13H,17H-furo[4,3,2-pq][2,6]benzodioxacyclooctadecin-13,2'-[2H]pyran], avermectin A1a deriv.
  • Packaging5mg
  • Price$119
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00FBGH
  • Product descriptionSpiro[11,15-methano-2H,13H,17H-furo[4,3,2-pq][2,6]benzodioxacyclooctadecin-13,2'-[2H]pyran], avermectin A1a deriv.
  • Packaging10mg
  • Price$178
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00FBGH
  • Product descriptionSpiro[11,15-methano-2H,13H,17H-furo[4,3,2-pq][2,6]benzodioxacyclooctadecin-13,2'-[2H]pyran], avermectin A1a deriv.
  • Packaging25mg
  • Price$337
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00FBGH
  • Product descriptionSpiro[11,15-methano-2H,13H,17H-furo[4,3,2-pq][2,6]benzodioxacyclooctadecin-13,2'-[2H]pyran], avermectin A1a deriv.
  • Packaging50mg
  • Price$484
  • Updated2026-05-28
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberAD264464
  • Product descriptionIvermectin B1a 98%
  • Packaging5MG
  • Price$115
  • Updated2026-05-27
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberAD264464
  • Product descriptionIvermectin B1a 98%
  • Packaging25MG
  • Price$330
  • Updated2026-05-27
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberPST0000756
  • Product descriptionB-1-ALPHA-IVERMECTIN COMPONENT 95.00%
  • Packaging5MG
  • Price$499.44
  • Updated2021-12-16
  • Buy
  • ManufacturerApexBio Technology
  • Product numberC3905
  • Product descriptionIvermectinB1a
  • Packaging25mg
  • Price$618
  • Updated2021-12-16
  • Buy
  • ManufacturerApexBio Technology
  • Product numberC3905
  • Product descriptionIvermectin B1a
  • Packaging25mg
  • Price$825
  • Updated2026-05-06
  • Buy
  • ManufacturerApexBio Technology
  • Product numberC3905
  • Product descriptionIvermectin B1a
  • Packaging5mg
  • Price$183
  • Updated2026-05-06
  • Buy
  • ManufacturerApexBio Technology
  • Product numberC3905
  • Product descriptionIvermectinB1a
  • Packaging5mg
  • Price$138
  • Updated2021-12-16
  • Buy
  • ManufacturerAvaChem
  • Product number3002
  • Product descriptionIvermectin B1a
  • Packaging10mg
  • Price$175
  • Updated2021-12-16
  • Buy
  • ManufacturerAvaChem
  • Product number3002
  • Product descriptionIvermectin B1a 89%
  • Packaging10mg
  • Price$175
  • Updated2026-05-22
  • Buy
  • ManufacturerAvaChem
  • Product number3002
  • Product descriptionIvermectin B1a
  • Packaging5mg
  • Price$95
  • Updated2021-12-16
  • Buy
  • ManufacturerAvaChem
  • Product number3002
  • Product descriptionIvermectin B1a 89%
  • Packaging5mg
  • Price$95
  • Updated2026-05-22
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA00FBGH Spiro[11,15-methano-2H,13H,17H-furo[4,3,2-pq][2,6]benzodioxacyclooctadecin-13,2'-[2H]pyran], avermectin A1a deriv. ≥98% 1mg $47 2026-05-28 Buy
aablocks AA00FBGH Spiro[11,15-methano-2H,13H,17H-furo[4,3,2-pq][2,6]benzodioxacyclooctadecin-13,2'-[2H]pyran], avermectin A1a deriv. 5mg $119 2026-05-28 Buy
aablocks AA00FBGH Spiro[11,15-methano-2H,13H,17H-furo[4,3,2-pq][2,6]benzodioxacyclooctadecin-13,2'-[2H]pyran], avermectin A1a deriv. 10mg $178 2026-05-28 Buy
aablocks AA00FBGH Spiro[11,15-methano-2H,13H,17H-furo[4,3,2-pq][2,6]benzodioxacyclooctadecin-13,2'-[2H]pyran], avermectin A1a deriv. 25mg $337 2026-05-28 Buy
aablocks AA00FBGH Spiro[11,15-methano-2H,13H,17H-furo[4,3,2-pq][2,6]benzodioxacyclooctadecin-13,2'-[2H]pyran], avermectin A1a deriv. 50mg $484 2026-05-28 Buy
ACHEMBLOCK AD264464 Ivermectin B1a 98% 5MG $115 2026-05-27 Buy
ACHEMBLOCK AD264464 Ivermectin B1a 98% 25MG $330 2026-05-27 Buy
American Custom Chemicals Corporation PST0000756 B-1-ALPHA-IVERMECTIN COMPONENT 95.00% 5MG $499.44 2021-12-16 Buy
ApexBio Technology C3905 IvermectinB1a 25mg $618 2021-12-16 Buy
ApexBio Technology C3905 Ivermectin B1a 25mg $825 2026-05-06 Buy
ApexBio Technology C3905 Ivermectin B1a 5mg $183 2026-05-06 Buy
ApexBio Technology C3905 IvermectinB1a 5mg $138 2021-12-16 Buy
AvaChem 3002 Ivermectin B1a 10mg $175 2021-12-16 Buy
AvaChem 3002 Ivermectin B1a 89% 10mg $175 2026-05-22 Buy
AvaChem 3002 Ivermectin B1a 5mg $95 2021-12-16 Buy
AvaChem 3002 Ivermectin B1a 89% 5mg $95 2026-05-22 Buy
Next Last

Properties

Melting point :155-157°
Boiling point :717.97°C (rough estimate)
Density :1.0683 (rough estimate)
refractive index :1.6130 (estimate)
storage temp. :Store at -20°C
solubility :Soluble in DMSO
form :solid
pka :12.42±0.70(Predicted)
color :white

Safety Information

Symbol(GHS): Skull and Crossbones (GHS06)
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H301 Toxic if swalloed Acute toxicity,oral Category 3 Danger P264, P270, P301+P310, P321, P330,P405, P501
Precautionary statements:
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P321 Specific treatment (see … on this label).
P330 Rinse mouth.
P405 Store locked up.
P501 Dispose of contents/container to..…

Description

Ivermectin B1a is the main component (>80%) of the anthelmintic, ivermectin. It produces antiparasitic activity by binding to glutamate-gated chloride channels expressed on nematode neurons and pharyngeal muscle cells, inducing irreversible channel opening and very long-lasting hyperpolarization/depolarization of the neuron/muscle cell, thereby blocking further function (EC50 = 104 nM).

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