83175

L-Pyroglutamic acid ethyl ester

puriss., ≥98.5% (sum of enantiomers, HPLC)

• Synonym(s): (S)-5-Oxoproline ethyl ester
• Empirical Formula (Hill Notation): C₇H₁₁NO₃
• CAS Number: 7149-65-7
• Molecular Weight: 157.17
• Beilstein: 82621
• EC Number: 230-480-9
• MDL number: MFCD00064497
• UNSPSC Code: 12352200
• PubChem Substance ID: 329769280

Properties

• grade: puriss.
• Assay: ≥98.5% (sum of enantiomers, HPLC)
• optical activity: [α]20/D +3.5±0.5°, c = 10% in ethanol
• optical purity: enantiomeric ratio: ≥99:1 (GC)
• mp: 54-56 °C
• application(s): peptide synthesis
• SMILES string: CCOC(=O)[C@@H]1CCC(=O)N1
• InChI: 1S/C7H11NO3/c1-2-11-7(10)5-3-4-6(9)8-5/h5H,2-4H2,1H3,(H,8,9)/t5-/m0/s1
• InChI key: QYJOOVQLTTVTJY-YFKPBYRVSA-N

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H315,H319,H335
• Precautionary Statements: P261 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point(F): 235.4 °F - closed cup
• Flash Point(C): 113 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves