Raltitrexed

CAS: 112887-68-0

Category: Quinoline

PurityReagent Grade ≥98%, High-Purity Grade ≥99%, Pharmaceutical Grade ≥99.5%
Molecular FormulaC21H22N4O6S
Molecular Weight458.49
Appearancewhite to off-white crystalline powder
Packaging1 g/lyophilized vial, 5 g/amber glass bottle.
Testing IndicatorsAppearance — Visual inspection; Identification — IR, UV; Purity — RP-HPLC; Related folates — TLC; Heavy metals — ICP-MS; Loss on drying — Gravimetry; Microbial limits — Pour plate; Quinazoline impurities — LC-MS; pH — Potentiometry.
Storage NotesStored as lyophilized powder at 2-8°C in a tightly closed container, protected from light and moisture; avoid freezing.
Lead Time10 days
Used as a thymidylate synthase inhibitor intermediate in the synthesis of intravenous chemotherapeutic agents for advanced colorectal cancer.