Melting point :205-206 °C (lit.)
alpha :D20 -31.7° (chloroform); D20 -25° (chloroform)
Boiling point :379.83°C (rough estimate)
Density :1.0766 (rough estimate)
refractive index :1.4800 (estimate)
storage temp. :2-8°C
solubility :chloroform: ≥50 mg/mL, clear, colorless
form :powder
pka :13.09±0.40(Predicted)
color :white to off-white
biological source :rabbit
Water Solubility :7.043mg/L(25 ºC)
Merck :6697
BRN :1915671
Specific Activity :122-165nmol/min·mg
Henry's Law Constant :1.7×10⁴ mol/(m³Pa) at 25℃, HSDB (2015)
BCS Class :1
Major Application :pharmaceutical (small molecule)
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
SMILES :O[C@@]1([C@@]2([C@H]([C@H]3[C@@H]([C@H]4CCC(=O)C=C4CC3)CC2)CC1)C)C#C
CAS DataBase Reference :68-22-4(CAS DataBase Reference)
NIST Chemistry Reference :Norethindrone(68-22-4)
EPA Substance Registry System :Norethisterone (68-22-4)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H351 Suspected of causing cancer Carcinogenicity Category 2 Warning P201, P202, P281, P308+P313, P405,P501 H362 May cause harm to breast-fed children Reproductive toxicity, effects on or via lactation Additional category P201, P260, P263, P264, P270,P308+P313 H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 1 Warning P273, P391, P501
Precautionary statements:	P202 Do not handle until all safety precautions have been read and understood. P260 Do not breathe dust/fume/gas/mist/vapours/spray. P263 Avoid contact during pregnancy/while nursing. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P273 Avoid release to the environment. P308+P313 IF exposed or concerned: Get medical advice/attention.