L-Cysteine
(15386031 | 52-90-4)

CAS: 52-90-4
Molecular Formula: HSCH2CH(NH2)CO2H
Molecular Weight: 121.16
Availablility: In Stock
Downloads: Product Specification | Safety Data Sheet [EN]
L-Cysteine Chemical Structure

15386031-100g 100g £38.90
15386031-1kg 1kg £185.50
Bulk Order
15386031-100g 100g €54.50
15386031-1kg 1kg €259.70
Bulk Order
15386031-100g 100g $58.40
15386031-1kg 1kg $278.30
Bulk Order
Safety Data Sheet
Certificate of Analysis

Product Detail
Product Code 15386031
Product Name L-Cysteine
Categories Amino Acids
CAS 52-90-4
Molecular Formula HSCH2CH(NH2)CO2H
Molecular Weight 121.16
Storage Details 2 to 8 °C
Harmonised Tariff Code 29309013

Product Specification
Specific rotation +8.3° to +9.5°
pH 4.5 - 5.5
Loss on Drying ≤ 0.5%
Sulfate (SO4) ≤ 0.03%
Chloride (Cl) ≤0.2%
Assay 98.0 - 101.0%
Residue on Ignition ≤ 0.1%
Appearance White crystalline powder
Iron (Fe) ≤ 10ppm
Heavy metals (as Pb) ≤ 10ppm
Arsenic (As2O3) ≤ 1ppm
Ammonium (NH4) ≤ 0.02%
State of Solution ≥ 95.0%
Identification (RAMAN) Conforms to Reference

Safety Information
Pictograms
Exclamation Mark
Signal word warning
Hazard statements
  • H302: Harmful if swallowed
Precautionary statements
  • P270: Do not eat, drink or smoke when using this product

  • P280: Wear: protective gloves/ clothing & eye protection

  • P301+310: IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician

  • P308+313: IF exposed or concerned: Get medical advice/attention

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