CAS Registry Number

CAS 52-90-4 — L-Cysteine

CAS 52-90-4 HSCH2CH(NH2)CO2H MW 121.16

L-Cysteine is a sulfur-containing amino acid used in biochemical research, pharmaceuticals, and food supplements for its role in protein synthesis and antioxidant activity. It is available as a white to off-white crystalline powder. CAS: 52-90-4, Molecular Formula: HSCH2CH(NH2)CO2H, Molecular Weight: 121.16 g/mol. Store at 2 to 8 °C. Signal word: Warning. Molekula supplies L-Cysteine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Also known as: L-Cysteine (TF) · L-Cysteine - reference standard

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Molekula products for CAS 52-90-4

L-Cysteine

SKU 15386031

In stock Amino Acids

L-Cysteine (TF)

SKU 90030874

Made to order Amino Acids

L-Cysteine - reference standard

SKU 90034805

Made to order

Molekula has supplied fine chemicals and biochemicals since 2000 from ISO 9001:2015 and ISO 14001:2015 certified facilities. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.