Annex of Approved Active Substances for Plant Protection Products

This list contains the active substances approved under Regulation 1107/2009/EC, as listed in Regulation 540/2011/EU. The list is separated into five parts: Part A (deemed to have been approved under 1107/2009/EC); Part B (approved under 1107/2009/EC); Part C (basic substances); Part D (low-risk active substances); and Part E (candidates for substitution). Entries include common & IUPAC names, identifiers (e.g., CAS, CIPAC), purity information, and approval and approval expiration dates.

L-cysteine hydrochloride;L-cysteine hydrochloride monohydrate

ecnumber: 200-157-7 casnumber: 52-89-1;7048-04-6
Ref No.
98 %
Expressed As
As L-cysteine hydrochloride (on anhydrous basis)
Date of approval
2 June 2020
C Basic Substances
1 Please refer to the original source document ( and subsequent amendments for applicable additional specific provisions.

171 Food grade in conformity with Commission Regulation (EU) No 231/2012.

193 max. 1,5 mg/kg As; max. 5 mg/kg Pb.