CAS Number: 97540-22-2
S-Adenosyl-L-Methionine (SAM) Hydrogen Sulfate is the hydrogen sulfate salt form of the universal biological methyl donor involved in transmethylation, transsulfuration, and aminopropylation reactions in living organisms. In agricultural research, SAM plays a key role in plant defence signalling, polyamine biosynthesis, and ethylene production. AB Enterprises provides high-purity SAM Hydrogen Sulfate to research institutions and crop science laboratories requiring a stable, well-characterised form of this important cofactor. The hydrogen sulfate salt offers improved stability compared to the free base, making it more practical for storage and formulation in biochemical studies. It is supplied with spectroscopic characterisation data for quality assurance.
| CAS Number | 97540-22-2 |
| Molecular Formula | C15H23N6O9PS·H2SO4 (approx.) |
| Appearance | White to off-white hygroscopic powder |
| Assay / Purity | ≥80.0% (dry basis) |
| Solubility | Soluble in water; sparingly soluble in ethanol |
| pH (1% solution) | 2.5–4.0 |
| Storage | Store at –20 °C in sealed, moisture-proof containers; avoid freeze-thaw cycles |
| Packaging | As per requirement |
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