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SHEET /m/tamoxifen · PubChem CID 2733526 · CAS 10540-29-1 · REV 2026.07

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Tamoxifen

from source

C26H29NO · 371.5 g/mol

Citofen · Crisafeno · Diemon · Istubol

What is Tamoxifen?

A breast cancer medicine sold as Nolvadex since the 1970s. It blocks the estrogen receptor in breast tissue, cutting off a growth signal some tumours need. from source

Chemical familyAromaticsEthers
LeaderboardsBiggest

Fig. 1 · 2D structure RDKit

SMILESCC/C(=C(\C1=CC=CC=C1)/C2=CC=C(C=C2)OCCN(C)C)/C3=CC=CC=C3

Where you'll find it

Dispensed on prescription, not sold on a shelf. See the rest of the prescription medicine group.

Toxicity & hazards

DangerIrritantHealth hazardEnvironmentalH302, H350, H360, H362, H372, H400, H410from source

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Where Tamoxifen leads

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Sources & methodology

PubChem CID
2733526
Wikidata
Q412178
Structure
PubChem → RDKit
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