Specification Sheet
Product Name
Methotrexate hydrate ≥99.0% (sum of enantiomers, HPLC)
Product Number
06563
Product Brand
SIGMA
CAS Number
133073-73-1
Molecular Weight
454.44 (anhydrous basis)
Test | Specification |
|---|---|
| APPEARANCE (COLOR) | Yellow to Dark Yellow and Orange to Dark Orange |
| APPEARANCE (FORM) | Powder or Crystals |
| PURITY (HPLC AREA %) | ≥ 99.0 % |
| SPECIFIC ROTATION (20/D) | 21.0 ± 2.0 Degrees |
| CONCENTRATION | C = 1 IN 0.05M SODIUM Carbonate |
| WATER | ≤ 12 % |
| SULFATED ASH | ≤ 0.1 % |
| INFRARED SPECTRUM | CONFORMS TO STRUCTURE |
| RECOMMENDED RETEST PERIOD | 42 MONTHS |