[L11711] CAS 98-79-3 | (S)-(-)-2-Pyrrolidinone-5-carboxylic acid, 98+%

CAS : 98-79-3
MDL : MFCD00005272
EINECS : 202-700-3

Other name :

L-Pyroglutamic acidH-Pyr-OH

Chemical Properties

Formula : C5H7NO3
Formula weight : 129.12
Melting Point : 158-162°
Sensitivity : Ambient temperatures.
Form : Powder
Solubility : Soluble in water (10-15% at 20°C), alcohol, acetone, dimethyl sufoxide and methanol.

Literature References

Resolving agent for chiral bases: Helv. Chim. Acta, 41, 181 (1958). Versatile chiral starting material: Reduction to the alcohol followed by reaction with benzaldehyde gives a bicyclic lactam which is a useful chiral synthon: J. Org. Chem., 51, 3140 (1986); Tetrahedron Lett., 32, 1379 (1991): For use in an efficient synthesis of quinolizidine and indolizidine alkaloids, see: J. Org. Chem., 60, 717 (1995).

Notes

Keep container tightly sealed. Store in cool, dry conditions in well sealed containers. Incompatible with oxidizing agents.Other References:Beilstein: 82132Merck: 14,8001

Grade Specifications

Grade Specifications

Hazard Statements : H315-H319-H335Causes skin irritation.Causes serious eye irritation.May cause respiratory irritation.
Precautionary Statements : P261-P305+P351+P338-P302+P352-P321-P405-P501aAvoid breathing dust/fume/gas/mist/vapours/spray.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF ON SKIN: Wash with plenty of soap and water.Specific treatment (see label).Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations.