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Review period expiry for use of 4-(1,1,3,3-Tetra methylbutyl)phenol, ethoxylated (4-tert-OPnEO)

4th January 2025

4-(1,1,3,3-Tetra methylbutyl)phenol, ethoxylated (4-tert-OPnEO)

  • 1 use applied for by Octapharma Pharmazeutika Produktionsgesellschaft m.b.H

Reference of the decision (2)

Date of decision

Substance name

Holder of the authorisation

Authorisation number

Authorised use

Date of expiry of review period

C(2022) 1506

16 March 2022

4-(1,1,3,3-Tetra methylbutyl)phenol, ethoxylated


EC No: -, CAS No:-

Octapharma Pharmazeutika Produktionsgesellschaft m.b.H, Oberlaaer Straße 235, A-1100 Vienna, Austria


As component of a chromatography column regeneration solution during the manufacture of a recombinant-derived Factor VIII

4 January 2025


4th January 2025
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European Commission
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