Norethindrone

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For Research Use Only.

Category

Impurities

Cat.No.

NP3286

CAS

68-22-4

Product Name

Norethindrone

Structure

Description

Norethindrone, a synthetic progestin, is an oral contraceptive involved in the inhibition of cytosolic sulfotransferases (SULT).

Synonyms

17-hydroxy-19-nor-17α-pregn-4-en-20-yn-3-one; 17α-Ethynyl-19-nortestosterone; 19-Norethisterone; Levonorgestrel EP Impurity U

IUPAC Name

(8R,9S,10R,13S,14S,17R)-17-ethynyl-17-hydroxy-13-methyl-1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-one

Molecular Weight

298.42

Molecular Formula

C20H26O2

Canonical SMILES

CC12CCC3C(C1CCC2(C#C)O)CCC4=CC(=O)CCC34

InChI

InChI=1S/C20H26O2/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/h1,12,15-18,22H,4-11H2,2H3/t15-,16+,17+,18-,19-,20-/m0/s1

InChIKey

VIKNJXKGJWUCNN-XGXHKTLJSA-N

Melting Point

207-209 °C

Purity

>98%

Solubility

Practically insol in water; sol in chloroform, Ether, Dioxane; sol @ 25 °c: 1 in 12.5 parts 95% ethanol, 1 in 4 parts acetone /acetate/

Appearance

White Solid

Application

Contraceptives, Oral, Synthetic; progestational hormones, Synthetic

Form

Powder

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