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ChemicalBook >> CAS DataBase List >> Norethindrone

Norethindrone

Norethindrone price.
  • $30 - $1603.1
  • Product name: Norethindrone
  • CAS: 68-22-4
  • MF: C20H26O2
  • MW: 298.43
  • EINECS:200-681-6
  • MDL Number:MFCD00067596
  • Synonyms:17a-ethynyl-19-nortestosterone;17ALPHA-ETHYNYL-17BETA-HYDROXY-19-NOR-4-ANDROSTEN-3-ONE;17ALPHA-ETHYNYL-19-NORTESTOSTERONE;19-NOR-4-ANDROSTEN-17-ALPHA-ETHYNYL-17-BETA-OL-3-ONE;19-NOR-4-ETHISTERONE;19-NORETHINDRONE;19-NORETHISTERONE;19-NOR-17ALPHA-ETHYNYL-4-ANDROSTEN-17BETA-OL-3-ONE
41 prices
Selected condition:
Brand
  • ApexBio Technology
  • Aronis compounds
  • AvaChem
  • Biorbyt Ltd
  • Cayman Chemical
  • Crysdot
  • DC Chemicals
  • Medical Isotopes, Inc.
  • Sigma-Aldrich
  • TRC
Package
  • 10μg
  • y0000522
  • n1200000
  • 100μG
  • 0.01g
  • 10mM(in1mLDMSO)
  • 50mg
  • 200mg
  • 250mg
  • 100mg
  • EvaluationSample
  • 500mg
  • 1g
  • 2g
  • 5g
  • 10 μg
  • 10 mg
  • 25 mg
  • ManufacturerApexBio Technology
  • Product numberB1991
  • Product descriptionNorethindrone
  • PackagingEvaluationSample
  • Price$30
  • Updated2026-05-06
  • Buy
  • ManufacturerApexBio Technology
  • Product numberB1991
  • Product descriptionNorethindrone
  • Packaging10mM(in1mLDMSO)
  • Price$50
  • Updated2026-05-06
  • Buy
  • ManufacturerApexBio Technology
  • Product numberB1991
  • Product descriptionNorethindrone
  • Packaging100mg
  • Price$53
  • Updated2026-05-06
  • Buy
  • ManufacturerApexBio Technology
  • Product numberB1991
  • Product descriptionNorethindrone
  • Packaging500mg
  • Price$76
  • Updated2026-05-06
  • Buy
  • ManufacturerAronis compounds
  • Product numberBBC/437
  • Product description17-ethynyl-17-hydroxyestr-4-en-3-one
  • Packaging5g
  • Price$247
  • Updated2021-12-16
  • Buy
  • ManufacturerAvaChem
  • Product number3733
  • Product descriptionNorethisterone
  • Packaging1g
  • Price$179
  • Updated2021-12-16
  • Buy
  • ManufacturerAvaChem
  • Product number3733
  • Product descriptionNorethisterone
  • Packaging100mg
  • Price$79
  • Updated2021-12-16
  • Buy
  • ManufacturerBiorbyt Ltd
  • Product numberorb1224259
  • Product descriptionNorethindrone >98%(HPLC)
  • Packaging50mg
  • Price$80
  • Updated2026-05-06
  • Buy
  • ManufacturerBiorbyt Ltd
  • Product numberorb1224259
  • Product descriptionNorethindrone >98%(HPLC)
  • Packaging100mg
  • Price$90
  • Updated2026-05-06
  • Buy
  • ManufacturerBiorbyt Ltd
  • Product numberorb1224259
  • Product descriptionNorethindrone >98%(HPLC)
  • Packaging200mg
  • Price$110
  • Updated2026-05-06
  • Buy
  • ManufacturerBiorbyt Ltd
  • Product numberorb1224259
  • Product descriptionNorethindrone >98%(HPLC)
  • Packaging500mg
  • Price$130
  • Updated2026-05-06
  • Buy
  • ManufacturerBiorbyt Ltd
  • Product numberorb531437
  • Product descriptionEPHB1
  • Packaging10μg
  • Price$1603.1
  • Updated2021-12-16
  • Buy
  • ManufacturerCayman Chemical
  • Product number20941
  • Product descriptionNorethindrone ≥98%
  • Packaging5g
  • Price$396
  • Updated2024-03-01
  • Buy
  • ManufacturerCayman Chemical
  • Product number20941
  • Product descriptionNorethindrone ≥98%
  • Packaging5g
  • Price$436
  • Updated2026-04-30
  • Buy
  • ManufacturerCayman Chemical
  • Product number20941
  • Product descriptionNorethindrone ≥98%
  • Packaging1g
  • Price$117
  • Updated2026-04-30
  • Buy
  • ManufacturerCayman Chemical
  • Product number20941
  • Product descriptionNorethindrone ≥98%
  • Packaging1g
  • Price$106
  • Updated2024-03-01
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
ApexBio Technology B1991 Norethindrone EvaluationSample $30 2026-05-06 Buy
ApexBio Technology B1991 Norethindrone 10mM(in1mLDMSO) $50 2026-05-06 Buy
ApexBio Technology B1991 Norethindrone 100mg $53 2026-05-06 Buy
ApexBio Technology B1991 Norethindrone 500mg $76 2026-05-06 Buy
Aronis compounds BBC/437 17-ethynyl-17-hydroxyestr-4-en-3-one 5g $247 2021-12-16 Buy
AvaChem 3733 Norethisterone 1g $179 2021-12-16 Buy
AvaChem 3733 Norethisterone 100mg $79 2021-12-16 Buy
Biorbyt Ltd orb1224259 Norethindrone >98%(HPLC) 50mg $80 2026-05-06 Buy
Biorbyt Ltd orb1224259 Norethindrone >98%(HPLC) 100mg $90 2026-05-06 Buy
Biorbyt Ltd orb1224259 Norethindrone >98%(HPLC) 200mg $110 2026-05-06 Buy
Biorbyt Ltd orb1224259 Norethindrone >98%(HPLC) 500mg $130 2026-05-06 Buy
Biorbyt Ltd orb531437 EPHB1 10μg $1603.1 2021-12-16 Buy
Cayman Chemical 20941 Norethindrone ≥98% 5g $396 2024-03-01 Buy
Cayman Chemical 20941 Norethindrone ≥98% 5g $436 2026-04-30 Buy
Cayman Chemical 20941 Norethindrone ≥98% 1g $117 2026-04-30 Buy
Cayman Chemical 20941 Norethindrone ≥98% 1g $106 2024-03-01 Buy

Properties

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)

Safety Information

Symbol(GHS): GHS hazard pictogramsGHS hazard pictograms
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 GHS hazard pictograms 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.

Description

Norethindrone is a synthetic progestin which in low doses is progestational and in high doses is antiestrogenic. Norethindrone also causes a time-dependent loss of cytochrome P-450 when incubated in vitro with rat liver microsomal fractions in NADPH-generating systems.

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