L-Cysteine, 25 g
SKU 1693.1
€ 35,58
In stock
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L-Cysteine, 25 g
Product Details
HS code: 29309013
Brand: Carl Roth
L-Cysteine, min. 99 %, CELLPURE®, Molar mass (M) 121,16 g/mol, Density (D) 1,496 g/cm³, CAS No. [52-90-4], EG-Nr. 200-158-2, Empirical formula C3H7NO2S
Amino acids
Our amino acids are of the highest purity and suitable for a broad range of applications in biochemistry. Besides the natural occurring L-amino acids, we offer a selection of unnatural D-amino acids and DL-amino acids.
| Endotoxins | ≤24 E.U./g |
| Assay | ≥99 % |
| Loss on drying | ≤0.5 % |
| Specific rotation [α]20D | +8.3° to +9.5° |
| Ammonium (NH4) | ≤0.02 % |
| Chloride (Cl) | ≤0.04 % |
| Sulphate (SO4) | ≤0.028 % |
| Heavy metals (as Pb) | ≤0.001 % |
| Arsenic (As2O3) | ≤0.0001 % |
| Iron (Fe) | ≤0.001 % |
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