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Ethinyl estradiol

USP/1260001 - United States Pharmacopeia (USP) Reference Standard

Synonym: 17α-Ethynylestradiol; 17α-Ethynyl-1,3,5(10)-estratriene-3,17β-diol; 19-Nor-1,3,5(10),17α-pregnatrien-20-yne-3,17-diol; Ethinylestradiol

CAS Number: 57-63-6
Empirical Formula (Hill Notation): C20H24O2
Molecular Weight: 296.40
MDL Number: MFCD00003690
Linear Formula: C20H24O2
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-1260001-150MG 150 mg
 $501.00
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API family ethinyl estradiol
application(s) pharmaceutical (small molecule)
format neat
grade pharmaceutical primary standard
InChI 1S/C20H24O2/c1-3-20(22)11-9-18-17-6-4-13-12-14(21)5-7-15(13)16(17)8-10-19(18,20)2/h1,5,7,12,16-18,21-22H,4,6,8-11H2,2H3/t16-,17-,18+,19+,20+/m1/s1
InChI key BFPYWIDHMRZLRN-SLHNCBLASA-N
manufacturer/tradename USP
mp 182-183 °C (lit.)
SMILES string [H][C@]12CC[C@@]3(C)[C@@]([H])(CC[C@@]3(O)C#C)[C@]1([H])CCc4cc(O)ccc24
Analysis Note: These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​
Application: Ethinyl estradiol USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia. Also, for use with USP monographs such as:
•  Desogestrel and Ethinyl Estradiol Tablets
•  Drospirenone and Ethinyl Estradiol Tablets
•  Ethinyl Estradiol
•  Ethinyl Estradiol Tablets
•  Ethynodiol Diacetate and Ethinyl Estradiol Tablets
•  Levonorgestrel and Ethinyl Estradiol Tablets
•  Norethindrone Acetate and Ethinyl Estradiol Tablets
General description: This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia .
Other Notes: Sales restrictions may apply.
mp 182-183 °C (lit.)
UNSPSC 41116107

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