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C3633 Sigma Cystathionine ≥90% (HPLC) 100mg
Product Name | Cystathionine, ≥90% (HPLC) |
Product Number | C3633 |
Product Brand | SIGMA |
CAS Number | 535-34-2 |
Molecular Formula | HOOCCH(NH2)CH2CH2SCH2CH(NH2)COOH |
Molecular Weight | 222.26 |
TEST | SPECIFICATION | LOT 59H3863 RESULTS |
APPEARANCE | WHITE TO OFF-WHITE POWDER | WHITE POWDER |
SOLUBILITY | CLEAR COLORLESS TO LIGHT YELLOW SOLUTION AT 50MG/ML IN 1M HYDROCHLORIC ACID | CLEAR VERY FAINT YELLOW |
IDENTITY | CONSISTENT WITH STRUCTURE BY IR OR NMR | CONFORMS BY IR |
PURITY BY THIN LAYER CHROMATOGRAPHY | MINIMUM 90% | >99% |
QUALITATIVE IDENTITY BY HPLC (MARFEYS) | MIXTURE OF 4 STEREOISOMERS: L-, D- L-ALLO AND D-ALLO-CYSTATHIONINE | L-:D-ALLO-:L-ALLO-:D- 25:25:25:25 |
PURITY BY HPLC (FMOC) | MINIMUM 90% | 90.2% |
RECOMMENDED RETEST SOP QC-12-006 | 2 YEARS | JUNE 2002 |
QC RELEASE DATE | JUNE 2001 | |