D-Pyroglutamic acid

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Pharmaceutical Raw Materials & Intermediates

Raw material used in the synthesis of active pharmaceutical ingredients (APIs) and peptides

D-Pyroglutamic acid appears as an off-white to light beige solid with a purity of 99% min and a molecular formula of C₅H₇NO₃. It is commonly used in pharmaceutical manufacturing, particularly in the synthesis of APIs and peptides where it serves as a key intermediate for biologically active compounds.

• CAS No.: 4042-36-8
• Molecular Formula: C₅H₇NO₃
• Purity: 99% min

• Appearance Pale white to light beige solid
• Molecular Weight 129.11 g/mol
• Density 1.4±0.1 g/cm³
• Boiling Point 453.1±38.0 °C at 760 mmHg
• Melting Point 155-162 °C
• Flash Point 227.8±26.8 °C
• Packaging 25kg/fibre drum
• Customs Code 2933790090
• Production capacity 3 tons/month

• Product Name
  1. D-Pyroglutamic acid;
  2. 5-oxo-D-proline;
  3. (R)-5-Oxopyrrolidine-2-carboxylic Acid;
  4. (2R)-5-oxopyrrolidine-2-carboxylic acid.
• Storage Conditions Store in sealed containers at room temperature in a dry environment
• Applications Intermediate for APIs and peptide synthesis