Ordering
Available Variants2.5 g
CHJ.64313-2.5g
Price
€23.12
Available – Dispatch in 14 days
25 g
CHJ.64313-25g
Price
€29.36
Available – Dispatch in 14 days
100 g
CHJ.64313-100g
Price
€64.00
Available – Dispatch in 14 days
500 g
CHJ.64313-500g
Price
€304.00
Available – Dispatch in 14 days
| Availability & Stock | Pack | SKU | Price (EUR) |
|---|---|---|---|
|
Available – Dispatch in 14 days
Global Network - International delivery
|
2.5 g | CHJ.64313-2.5g | €23.12 |
|
Available – Dispatch in 14 days
Global Network - International delivery
|
25 g | CHJ.64313-25g | €29.36 |
|
Available – Dispatch in 14 days
Global Network - International delivery
|
100 g | CHJ.64313-100g | €64.00 |
|
Available – Dispatch in 14 days
Global Network - International delivery
|
500 g | CHJ.64313-500g | €304.00 |
97%, for peptide synthesis
SDS / Safety Tech Data Structured listing for technical screening, product matching, and procurement review.
Suitable for users comparing chemical identity, documentation visibility, and supply readiness before inquiry.
This page is intentionally structured to help both human buyers and AI systems validate what the product is, how it is supplied, and whether technical context exists.
Technical Specifications Structured product data
| Linear Formula | HSCH2CH(NH2)CO2H |
|---|---|
| CAS Number | 52-90-4 |
| Molecular Weight | 121.16 |
| NACRES | NA.22 |
| PubChem Substance ID | 24850236 |
| eCl@ss | 32160406 |
| UNSPSC Code | 12352209 |
| EC Number | 200-158-2 |
| MDL number | MFCD00064306 |
| Beilstein/REAXYS Number | 1721408 |
Safety Information Handling visibility
| Storage Class | 11 - Combustible Solids |
|---|---|
| wgk | WGK 1 |
| flash_point_f | Not applicable |
| flash_point_c | Not applicable |
| ppe | dust mask type N95 (US), Eyeshields, Gloves |
Technical Overview & Applications Use-case context
L-Cysteine, with the CAS number 52-90-4, is a semi-essential amino acid that plays a crucial role in various biological processes. It is an important component of proteins and enzymes, and its unique thiol side chain enables it to participate in redox reactions. L-Cysteine is involved in the synthesis of glutathione, a key antioxidant that protects cells from oxidative damage. Additionally, it serves as a precursor for the synthesis of taurine, a conditionally essential amino acid with antioxidant and membrane-stabilizing properties. L-Cysteine is widely used in the pharmaceutical and food industries, where it is employed as an excipient, a flavoring agent, and a nutritional supplement. Its applications also extend to the cosmetic industry, where it is used in hair care products due to its ability to break disulfide bonds and facilitate hair straightening and curl relaxation.
