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CAS 122946-43-4

CAS 122946-43-4 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 122946-43-4
CAS 122946-43-4PubChem CID 65946

Telmesteine

Telmesteine is an organonitrogen compound and an organooxygen compound. It is functionally related to an alpha-amino acid. — ChEBI

IUPAC name
(4R)-3-ethoxycarbonyl-1,3-thiazolidine-4-carboxylic acid
Molecular formula
C7H11NO4S
Molecular weight
205.23 g/mol
Exact mass
205.04087901 Da
XLogP3
0.6
Topological polar surface area
92.1 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
5
Covalent units
1
Defined stereocentres
1

Also known as

TelmesteinaReolaseTelmesteinum124I3FE35TtelmesteinRefChem:1877783-ethylhydrogen-3,4-thiazolidinedicarboxylateTelmesteine [INN]
16 more reported names
(R)-3-(Ethoxycarbonyl)thiazolidine-4-carboxylic acidTelmesteine (INN)(4R)-3-(ethoxycarbonyl)-1,3-thiazolidine-4-carboxylic acidTelmesteinum [INN-Latin]Telmesteina [INN-Spanish]UNII-124I3FE35TReolase (TN)TELMESTEINE [MART.]TELMESTEINE [WHO-DD]CHEBI:134866EBC-13371DA-68031HY-125495CS-0091938EN300-881275(-)-3-Ethyl hydrogen (R)-3,4-thiazolidinedicarboxylate
Open full PubChem recordPubChem annotations3D structure image
External database identifiers

Evidence from additional scientific databases

NIH PubChem PUG-View
Exact identifier match65946

Attributed physical-property, hazard, environmental and use annotations.

Mapped by: Existing checksum-valid CAS to unique PubChem CID match. Retrieved: 2026-08-31. Open source record

Scientific classifications and hazard annotations provide context and do not replace the market-specific regulatory decision shown above.

Additional source coverage and match status
SourceResultChecked
NIH PubChem PUG-ViewExact match2026-08-31

A recorded no-match is useful evidence that the source was checked; it is not a claim that the substance does not exist elsewhere.

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 122946-43-4

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No records found for this CAS number.

How CAS 122946-43-4 is used on this site

CAS 122946-43-4 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 EU annex records share this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 122946-43-4 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.