L-Cysteine, 250 g, plastic
≥98 %, for biochemistry
H302
harmful if swallowed
P301+P312
IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell
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α-Amino-β-mercapto-propionic acid
Empirical formula C3H7NO2S
Molar mass (M) 121,16 g/mol
Density (D) 1,496 g/cm³
Melting point (mp) 178 °C
WGK 1
CAS No. 52-90-4
EG-Nr. 200-158-2
Molar mass (M) 121,16 g/mol
Density (D) 1,496 g/cm³
Melting point (mp) 178 °C
WGK 1
CAS No. 52-90-4
EG-Nr. 200-158-2
€138.70/Pack Qty.
excl. VAT. | 250 g per Pack Qty.
Art. No. 3467.3
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L-Cysteine
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| Art. No. | Pack Qty. | Pack. | Price | Quantity | |
|---|---|---|---|---|---|
| 3467.1 | 10 g | glass |
€19.25 |
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| 3467.2 | 50 g | glass |
€37.55 |
|
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| 3467.3 | 250 g | plastic |
€138.70 |
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Downloads / MSDS
General information
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.
Certificates of Analysis
Guarantee analysis
| Appearance | white, cryst. powder |
| Appearance of solution | clear and colorless |
| Assay | 98.0-101.0 % |
| Identity | complies |
| pH-value | 4.5-5.5 |
| Specific rotation [α]20D | +8.3° to +9.5° |
| Loss on drying | ≤0.5 % |
| Ash content (as SO4) | ≤0.05 % |
| Foreign amino acids | complies |
| Chloride (Cl) | ≤0.04 % |
| Sulphate (SO4) | ≤0.028 % |
| Ammonium (NH4) | ≤0.02 % |
| Arsenic (As2O3) | ≤0.0001 % |
| Iron (Fe) | ≤0.001 % |
| Heavy metals (as Pb) | ≤0.001 % |