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Estramustine phosphate sodium

A microtubule assembly inhibitor
Catalog #: B2652
SKU-Size Size Price Qty
B2652-5 5 mg
B2652-25 25 mg
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Product Details

Alternate Name NSC 89201; Ro 22-2296/000; Estramustine sodium phosphate; Estramustine phosphate disodium; Estradiol 3-[N,N-Bis(2-chloroethyl)carbamate]; Estracyt
Appearance Crystalline solid
CAS # 52205-73-9
Molecular Formula C₂₃H₃₀Cl₂NNa₂O₆P
Molecular Weight 564.3
Purity ≥98%
Solubility 50 mg/ml Water
SMILES CC12CCC3C(C1CCC2OP(=O)([O-])[O-])CCC4=C3C=CC(=C4)OC(=O)N(CCCl)CCCl.[Na+].[Na+]
InChi InChI=1S/C23H32Cl2NO6P.2Na/c1-23-9-8-18-17-5-3-16(31-22(27)26(12-10-24)13-11-25)14-15(17)2-4-19(18)20(23)6-7-21(23)32-33(28,29)30;;/h3,5,14,18-21H,2,4,6-13H2,1H3,(H2,28,29,30);;/q;2*+1/p-2/t18-,19-,20+,21+,23+;;/m1../s1
PubChem CID 444000
MDL Number MFCD00866320
Handling Do not take internally. Wear gloves and mask when handling the product! Avoid contact by all modes of exposure.
Storage Conditions -20ºC
Shipping Conditions Gel Pack
USAGE For Research Use Only! Not For Use in Humans.


Estramustine phosphate sodium is a nitrogen mustard linked to estradiol that acts as a microtubule assembly inhibitor. Inhibits endothelial cell proliferation (IC₅₀ = 4.5 μM) and down-regulates prostate-specific antigen expression (IC₅₀ = 10.97 μM). Alkylating and antitumor agent.

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