Acolbifene (EM-652), the active metabolite of EM800, is an orally active pure antiestrogen and selective estrogen receptor antagonist. Acolbifene (EM-652) inhibits estradiol (E2)-induced transcriptional activity of ERα (IC50 = 2 nM) and ERβ (IC50 = 0.4 nM). Acolbifene (EM-652) possesses potent and pure anticarcinogenic properties.

Product information

CAS Number: 182167-02-8

Molecular Weight: 457.56

Formula: C29H31NO4

Chemical Name: (2S)-3-(4-hydroxyphenyl)-4-methyl-2-{4-[2-(piperidin-1-yl)ethoxy]phenyl}-2H-chromen-7-ol

Smiles: CC1=C([C@@H](OC2=CC(O)=CC=C21)C1C=CC(=CC=1)OCCN1CCCCC1)C1C=CC(O)=CC=1

InChiKey: DUYNJNWVGIWJRI-LJAQVGFWSA-N

InChi: InChI=1S/C29H31NO4/c1-20-26-14-11-24(32)19-27(26)34-29(28(20)21-5-9-23(31)10-6-21)22-7-12-25(13-8-22)33-18-17-30-15-3-2-4-16-30/h5-14,19,29,31-32H,2-4,15-18H2,1H3/t29-/m0/s1

Technical Data

Appearance: Solid Power

Purity: ≥98% (or refer to the Certificate of Analysis)

Solubility: DMSO : 50 mg/mL (109.28 mM; Need ultrasonic).

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis

Storage Condition: Dry, dark and -20 ^oC for 1 year or refer to the Certificate of Analysis.

Shelf Life: ≥12 months if stored properly.

Stock Solution Storage: 0 - 4 ^oC for 1 month or refer to the Certificate of Analysis.

Drug Formulation: To be determined

HS Tariff Code: 382200

How to use

In Vitro:

Acolbifene (ACOL) does not affect pathways of cholesterol synthesis, supporting the involvement of the clearance-related receptors in its hypocholesterolemic action. Acolbifene (EM-652) shows no agonistic activity on ERα and ERβ transcriptional function and blocks the estradiol (E2)-mediated activation of both ERα and ERβ. Acolbifene (EM-652) shows the most potent inhibition of estradiol-stimulated cell proliferation in human breast cancer cancer cells (ZR-75-1, MCF-7, T-47D) and is devoid of any intrinsic estrogenic activity.

In Vivo:

Acolbifene (ACOL) reduces food intake and strongly decreases cholesterolemia in rats fed a cholesterol-free diet. Acolbifene (ACOL) reduces food intake (16%) and weight gain (45%, mainly fat) similarly in both dietary cohorts.

Products are for research use only. Not for human use.