Description:

Delivery:Prompt afer order

Good quality Assurance

Name: : 1 (10)--Estratrien-3-ol-17-25;
3 beta Co. Hydroxyestra-: 1-(10)--trien-17-25;
3-Hydroxy-: 1 (10)--estratrien-17-25;
Beta Co. Estrone-
Molecular structure:
Formula: C18H22O2
Molecular weight: 270.37
CAS registration number: 53-16-7
EINECS registration number: 200-164-five
Chemical and physical properties
Melting point: 258-261 DHS C
Water-soluble: 0.03 G/L
Than the optical rotations: 158 DHS (C = 1, DIOXANE)
Description: white crystal. Nature Melting point 258 260 °C. Soluble in alcohol, acetone, two oxygen six ring, benzene, chloroform, pyridine and hydrogen oxidation alkali solution, slightly soluble in ether and vegetable oil, hardly soluble in water.
Safety information
Safe means: S45: incident or discomfort, immediately to the doctor to seek help (best to product containers labels).
S53: avoid exposing-read prior to use special instructions.

Dangerous goods marks: T: toxic substances

Dangerous category code: R45: can cause cancer.
R60: may reduce fertility.
R61: may of unborn babies cause harm.