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Chemical structure of Ivermectin B1b

GC43925

Ivermectin B1b

Also known as (1R,4S,5'S,6R,6'R,8R,10E,12S,13S,14E,16E,20R,21R,24S)-21,24-dihydroxy-12-[(2R,4S,5S,6S)-5-[(2S,4S,5S,6S)-5-hydroxy-4-methoxy-6-methyloxan-2-yl]oxy-4-methoxy-6-methyloxan-2-yl]oxy-5',11,13,22-tetramethyl-6'-propan-2-ylspiro[3,7,19-trioxatetracyclo[15.6.1.14,8.020,24]pentacosa-10,14,16,22-tetraene-6,2'-oxane]-2-one

Ivermectin B1b is the minor component

ChemicalCAS70209-81-3MW861.1FormulaC47H72O14
CAS number
70209-81-3
Molecular weight
861.1
Formula
C47H72O14
Solubility
DMF： Soluble,DMSO： Soluble,Ethanol： Soluble,Methanol： Soluble
InChIKey
VARHUCVRRNANBD-PVVXTEPVSA-N
Catalogue number
GC43925
Brand
GLPBIO
Computed properties PubChem CID 6321425 · XLogP 3.8 · TPSA 170 Ų · H-bond donors 3
XLogP
3.8
TPSA
170 Ų
H-bond donors
3
H-bond acceptors
14
Rotatable bonds
7
Heavy atoms
61

SMILES C[C@H]1CC[C@]2(C[C@@H]3C[C@H](O2)C/C=C(/[C@H]([C@H](/C=C/C=C/4\CO[C@H]5[C@@]4([C@@H](C=C([C@H]5O)C)C(=O)O3)O)C)O[C@H]6C[C@@H]([C@H]([C@@H](O6)C)O[C@H]7C[C@@H]([C@H]([C@@H](O7)C)O)OC)OC)\C)O[C@@H]1C(C)C

Computed descriptors from PubChem (CID 6321425), public domain. Identity cross-checked against the supplier's molecular formula and weight — verify before use.

Ordering in Israel

Lead time
Ships from the manufacturer to your lab in 8–14 business days; customs and cold chain handled by LABO Scientific.
Pricing
Quoted in ILS, excl. VAT. Add the item to your quote and we confirm the final price, usually the same business day.
Documents
Lot certificate of analysis and manufacturer SDS are emailed with your order confirmation.
Who we serve
Universities, hospitals and biotech companies across Israel. Research use only — not for diagnostic or therapeutic use.