Variation ID | Product Code | Pack Size | List Price | Qty | |
---|---|---|---|---|---|
ECE4448-X | 100g Foil Pouch | £14.95 | |||
ECE4448-2X Letter Box Friendly |
250g Foil Pouch | £26.45 | |||
ECE4448-5X | 500g Foil Pouch | £43.25 | |||
GPC4448-X | 100g | £15.95 | |||
GPC4448-2X | 250g | £27.45 | |||
GPC4448-5X | 500g | £44.25 | |||
GPC4448-Y | 1Kg | £64.95 |
L-Cysteine is an α-amino acid. It is a semi-essential amino acid, which means that it can be biosynthesized in humans.
Please note this is not the same as N-Acetylcysteine.
Minimum Assay: 99.0-100.5%
Molecular Formula: C3H7NO2S•HCl•H2O
Molecular Weight: 175.64 (157.62anhy)
Melting Point: 175 deg C
Specific Rotation [0]D20: +5.5 to +7.0
Sensitivity: Air Sensitive
pH: 1.5 - 2.0
State of Solution: >98%
Chloride (cl): 19.89-20.29%
Sulphate (SO4): <0.020%
Ammonium (NH4): <0.02%
Heavy Metals (as Pb): <10ppm
Loss on drying: 8.5 - 12.0%
Iron Content: <10ppm
Residue on Ignition: <0.10%
Other Amino Acids: Chromatographically undetected
Cas Number: 7048-04-6
Einecs Number: 200-157-7
Hazard Phrases: H315,H319,H335
Prec Phrases: P261,P280,P302+P352,P305+P351+P338,P312,P403+P233