Substance Information

Substance Infocard


(R)-2-hydroxy-4-(methylthio)butyric acid

EC / List no.: 254-555-0

CAS no.: 39638-34-1

Mol. Formula: C5H10O3S

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Key datasets


Regulatory context

Here you can find all of the regulations and regulatory lists in which this substance appears, according to the data available to ECHA. This substance has been found in the following regulatory activities (directly, or inheriting the regulatory context of a parent substance):

REACH - Registration, Evaluation, Authorisation and Restriction of Chemicals Regulation
Previous Legislations
  • Substances listed in the EINECS, ELINCS, or NLP inventories.
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Substance names and other identifiers

Regulatory process names
(R)-2-hydroxy-4-(methylthio)butyric acid
EC Inventory
(R)-2-hydroxy-4-(methylthio)butyric acid
Pre-Registration process
IUPAC names
(2R)-2-hydroxy-4-(methylsulfanyl)butanoic acid
Other identifiers
EC Inventory, Pre-Registration process
CAS number