L(-)-Thiazolidine-4-carboxylic acid CAS 34592-47-7

CAS:34592-47-7

Molecular Formula:C4H7NO2S

Molecular Weight:133.17

EINECS:252-106-3

Synonyms:thiazolidinecarboxylicacid; (R)-(-)-THIAZOLIDINE-4-CARBOXYLICACID; (R)-THIAZOLIDINE-4-CARBOXYLICACID; THIOPROLINE; THIAPROLINE; L-Thiaolidine-4-carboxylicacid; L-THIAPROLINE; L(-)-THIAZOLIDINE-4-CARBOXYLICACID

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What is L(-)-Thiazolidine-4-carboxylic acid CAS 34592-47-7?

L(-)-Thiazolidine-4-carboxylic acid is white power,It is used as an intermediate in organic synthesis,The melting point is 190-200 °C.

Specification

Test Item	Specification	Test Result
Appearance	white powder	Conforms
Specific Rotation[α]20/D	- 137° ~- 145°(C=2,H2O)	- 141.9°
Sulphate（SO42-）	≤0.03%	<0.03%
Ammonium（NH4+）	≤0.02%	<0.02%
Iron(Fe)	≤10ppm	<10ppm
Heavy metal(Pb)	≤10ppm	<10ppm
Arsenic	≤1ppm	<1ppm
Other amino acids	Chromatographically not detectable	Conforms
Assay	≥98.0%	99. 1%
Loss on drying	≤0.50%	0.07%
Conclusion	The results conform with manufacutrer’s standard.