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Chemical structure of Orthosiphol B

GF05048

Orthosiphol B

Also known as [(2R,4R,4aS,4bS,5R,6S,7S,8aS,10R,10aR)-7,10-diacetyloxy-5-benzoyloxy-2-ethenyl-6,10a-dihydroxy-2,4b,8,8-tetramethyl-1-oxo-4,4a,5,6,7,8a,9,10-octahydro-3H-phenanthren-4-yl] benzoate

Orthosiphol B (catalogue number GF05048) is a research-grade chemical available from LABO Scientific in Israel, CAS registry number 144078-08-0. Molecular formula C38H44O11, molecular weight 676.75. IUPAC name: [(2R,4R,4aS,4bS,5R,6S,7S,8aS,10R,10aR)-7,10-diacetyloxy-5-benzoyloxy-2-ethenyl-6,10a-dihydroxy-2,4b,8,8-tetramethyl-1-oxo-4,4a,5,6,7,8a,9,10-octahydro-3H-phenanthren-4-yl] benzoate. Supplied as 5mg at ₪3,083.66; the final price is confirmed on your quote, and the lot certificate of analysis and safety data sheet are emailed with your order confirmation.

ChemicalCAS144078-08-0MW676.75FormulaC38H44O11
CAS number
144078-08-0
Molecular weight
676.75
Formula
C38H44O11
InChIKey
BXKNTIMTKVZYDP-OFUWLHILSA-N
Catalogue number
GF05048
Brand
GLPBIO
Computed properties PubChem CID 15385859 · XLogP 5.3 · TPSA 163 Ų · H-bond donors 2
XLogP
5.3
TPSA
163 Ų
H-bond donors
2
H-bond acceptors
11
Rotatable bonds
11
Heavy atoms
49

SMILES CC(=O)O[C@@H]1C[C@@H]2[C@@]([C@@H]3[C@@]1(C(=O)[C@@](C[C@H]3OC(=O)C4=CC=CC=C4)(C)C=C)O)([C@H]([C@H]([C@H](C2(C)C)OC(=O)C)O)OC(=O)C5=CC=CC=C5)C

Computed descriptors from PubChem (CID 15385859), 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.