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L-Cysteine hydrochloride monohydrate, 50 g

≥98,5 %, for biochemistry
Examples of effect: Lead to damage to heath, cause irritation to eyes, skin or respiratory organs. Are fatal in larger quantities. Safety: As previously stated, in the event of skin irritation or contact with eyes, rinse with water or a suitable medium.
i causes skin irritation, causes serious eye irritation, may cause respiratory irritation
P280 P302+P352 P305+P351+P338 P337+P313
i wear protective gloves/eye protection, IF ON SKIN: Wash with plenty of water, IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing, if eye irritation persists: Get medical advice/attention
Pack Qty.
H-L-Cys-OH · HCl · H2O
Empirical formula C3H7NO2S · HCl ·H2O
Molar mass (M) 175,64 g/mol
Melting point (mp) 178 °C
CAS No. [7048-04-6]
EG-Nr. 200-157-7

€29.60/Pack Qty. 

excl. VAT. | 50 g per Pack Qty.

Art. No. T203.1

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L-Cysteine hydrochloride monohydrate
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T203.1 50 g plastic


T203.2 100 g plastic


T203.3 500 g plastic


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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

You can search for and download your certificate of analysis for the selected product here. Please provide your batch number.
The following analysis certificates have been found:

Type analysis

Appearancewhite, cryst. powder
Assay (dry substance)98,5-101,0 %
Specific rotation [α]a+6,0° to +8,0°
Ammonium (NH4)≤0,05 %
Chloride (Cl)19,89-20,29 %
Sulphate (SO4)≤0,02 %
Arsenic (As2O3)≤0,0001 %
Iron (Fe)≤0,001 %
Heavy metals≤0,001 %
Sulphated ash≤0,1 %
Loss on drying8,6-12,0 %