19-Norethindrone
SIGMA/N4128 - ≥98%, powder
Synonym: 17α-Ethynyl-19-nortestosterone; 17-Hydroxy-19-nor-17α-4-pregnen-20-yn-3-one; 17α-Ethynyl-17β-hydroxy-19-nor-4-androsten-3-one; 19-Nor-17α-ethynyl-4-androsten-17β-ol-3-one; 19-Norethisterone
CAS Number: 68-22-4
Empirical Formula (Hill Notation): C20H26O2
Molecular Weight: 298.42
EC Number: 200-681-6
MDL Number: MFCD00067596
Linear Formula: C20H26O2
Product Type: Chemical
| assay | ≥98% |
| biological source | synthetic (organic) |
| color | white to off-white |
| form | powder |
| InChI | 1S/C20H26O2/c1-3-20(22)11 |
| InChI key | VIKNJXKGJWUCNN-XGXHKTLJSA |
| mp | 205-206 °C (lit.) |
| Quality Level | 200 ![]() |
| shipped in | ambient |
| SMILES string | [H][C@]12CCC(=O)C=C1CC[C@ |
| solubility | chloroform: ≥50 mg/mL, clear, colorless |
| sterility | non-sterile |
| storage condition | protect from light |
| storage temp. | room temp |
| Biochem/physiol Actions: | 19-norethindrone is an oral contraceptive involved in the inhibition of cytosolic sulfotransferases (SULT). |
| Packaging: | 1, 5 g in glass bottle |
| Packaging: | 250 mg in glass bottle |
| Packaging: | 50 mg in glass insert |
| Symbol | ![]() GHS08,GHS09 |
| Signal word | Danger |
| Hazard statements | H351 - H360FD - H362 - H410 |
| Precautionary statements | P201 - P260 - P263 - P273 - P308 + P313 |
| Hazard Codes | Xn |
| Risk Statements | 40 |
| Safety Statements | 22-36/37/39-45 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 3 |
| Purity | ≥98% |
| mp | 205-206 °C (lit.) |
| Storage Temp. | room temp |
| UNSPSC | 12352211 |



