Intermediates

L-Dihydroorotic Acid

  • CAS No.5988-19-2
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High-purity L-Dihydroorotic Acid (CAS 5988-19-2), a key chiral intermediate in nucleotide and pyrimidine biosynthesis pathways for pharmaceutical R&D.

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Product Technical Details

Product Overview

L-Dihydroorotic Acid is a high-value chiral building block widely utilized in the synthesis of biologically active pyrimidine derivatives and nucleotide analogs. As a critical intermediate in the de novo pyrimidine biosynthesis pathway, it serves as a substrate for dihydroorotate dehydrogenase (DHODH), making it indispensable in metabolic studies and antiviral or anticancer drug development programs.

Specifications

Molecular FormulaC₅H₆N₂O₄
Molecular Weight158.11 g/mol
AppearanceWhite to off-white crystalline powder
Melting Point254–255 °C (dec.)
Density1.523 g/cm³
Specific Rotation+33.3° (c=2, 1% NaHCO₃)
Purity (HPLC)≥99.9%
Enantiomeric Excess (ee)≥99.4%
Loss on Drying≤0.5% (0.15% typical)
Storage ConditionsStore at 0–5°C under inert atmosphere

Industrial Applications

This compound is primarily employed as a specialized intermediate in the pharmaceutical industry for the synthesis of complex APIs targeting viral replication and cellular proliferation. Its high enantiomeric purity ensures reproducible stereochemical outcomes in multi-step syntheses. Additionally, L-Dihydroorotic Acid is used in biochemical assays to study mitochondrial enzyme kinetics and metabolic flux in cancer cell lines.

  • Essential precursor in pyrimidine nucleotide biosynthesis
  • High enantiopurity (>99.4% ee) ensures reliable chiral integrity
  • Suitable for GMP-compliant early-stage API development
  • Compatible with enzymatic and chemical transformation protocols